diff --git a/.github/workflows/hrp-scaffold.yml b/.github/workflows/hrp-scaffold.yml
index 81116817..62b66f1c 100644
--- a/.github/workflows/hrp-scaffold.yml
+++ b/.github/workflows/hrp-scaffold.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Run start project
         run: ./output/hrp startproject demo
       - name: Run demo tests
-        run: ./output/hrp run demo/testcases/demo.json demo/testcases/demo.yaml
+        run: ./output/hrp run demo/testcases/demo_with_funplugin.json demo/testcases/demo_requests.yml demo/testcases/demo_ref_testcase.yml
 
   scaffold-with-go-plugin:
     strategy:
@@ -48,7 +48,7 @@ jobs:
       - name: Run start project
         run: ./output/hrp startproject demo --go
       - name: Run demo tests
-        run: ./output/hrp run demo/testcases/demo.json demo/testcases/demo.yaml
+        run: ./output/hrp run demo/testcases/demo_with_funplugin.json demo/testcases/demo_requests.yml demo/testcases/demo_ref_testcase.yml
 
   scaffold-without-custom-plugin:
     strategy:
@@ -70,4 +70,4 @@ jobs:
       - name: Run start project
         run: ./output/hrp startproject demo --ignore-plugin
       - name: Run demo tests
-        run: ./output/hrp run demo/testcases/demo.json demo/testcases/demo.yaml
+        run: ./output/hrp run demo/testcases/demo_without_plugin.json
diff --git a/.github/workflows/smoketest.yml b/.github/workflows/smoketest.yml
index a11870b6..a638edfd 100644
--- a/.github/workflows/smoketest.yml
+++ b/.github/workflows/smoketest.yml
@@ -37,7 +37,6 @@ jobs:
       run: |
         poetry run hrun -V
         poetry run httprunner run -h
-        poetry run httprunner startproject -h
     - name: Run smoketest - postman echo
       run: |
         poetry run hrun examples/postman_echo/request_methods
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 37ac2752..e38b7a3c 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -12,6 +12,7 @@
 
 **python version**
 
+- change: remove startproject, move all features to go version, replace with `hrp startproject`
 - change: remove har2case, move all features to go version, replace with `hrp run`
 - change: remove locust, you should run load tests with go version, replace with `hrp boom`
 - change: remove fastapi and uvicorn dependencies
diff --git a/hrp/boomer_test.go b/hrp/boomer_test.go
index 79ffd2fe..4edefa38 100644
--- a/hrp/boomer_test.go
+++ b/hrp/boomer_test.go
@@ -6,8 +6,8 @@ import (
 )
 
 func TestBoomerStandaloneRun(t *testing.T) {
-	buildHashicorpPlugin()
-	defer removeHashicorpPlugin()
+	buildHashicorpGoPlugin()
+	defer removeHashicorpGoPlugin()
 
 	testcase1 := &TestCase{
 		Config: NewConfig("TestCase1").SetBaseURL("http://httpbin.org"),
@@ -25,7 +25,7 @@ func TestBoomerStandaloneRun(t *testing.T) {
 			NewStep("TestCase3").CallRefCase(&TestCase{Config: NewConfig("TestCase3")}),
 		},
 	}
-	testcase2 := &demoTestCaseJSONPath
+	testcase2 := &demoTestCaseWithPluginJSONPath
 
 	b := NewBoomer(2, 1)
 	go b.Run(testcase1, testcase2)
diff --git a/hrp/cmd/scaffold.go b/hrp/cmd/scaffold.go
index cc7f18a0..0d065839 100644
--- a/hrp/cmd/scaffold.go
+++ b/hrp/cmd/scaffold.go
@@ -30,6 +30,7 @@ var scaffoldCmd = &cobra.Command{
 		} else {
 			pluginType = scaffold.Py // default
 		}
+
 		err := scaffold.CreateScaffold(args[0], pluginType)
 		if err != nil {
 			log.Error().Err(err).Msg("create scaffold project failed")
diff --git a/hrp/convert_test.go b/hrp/convert_test.go
index 7c922d7e..351aedf0 100644
--- a/hrp/convert_test.go
+++ b/hrp/convert_test.go
@@ -8,23 +8,198 @@ import (
 	"github.com/httprunner/httprunner/hrp/internal/builtin"
 )
 
+const templatesDir = "internal/scaffold/templates/"
+
+var (
+	demoTestCaseWithPluginJSONPath    TestCasePath = templatesDir + "testcases/demo_with_funplugin.json"
+	demoTestCaseWithPluginYAMLPath    TestCasePath = templatesDir + "testcases/demo_with_funplugin.yaml"
+	demoTestCaseWithoutPluginJSONPath TestCasePath = templatesDir + "testcases/demo_without_funplugin.json"
+	demoTestCaseWithoutPluginYAMLPath TestCasePath = templatesDir + "testcases/demo_without_funplugin.yaml"
+)
+
 var (
-	demoTestCaseJSONPath    TestCasePath = "../examples/hrp/demo.json"
-	demoTestCaseYAMLPath    TestCasePath = "../examples/hrp/demo.yaml"
 	demoRefAPIYAMLPath      TestCasePath = "../examples/hrp/ref_api_test.yaml"
 	demoRefTestCaseJSONPath TestCasePath = "../examples/hrp/ref_testcase_test.json"
 	demoThinkTimeJsonPath   TestCasePath = "../examples/hrp/think_time_test.json"
 	demoAPIYAMLPath         APIPath      = "../examples/hrp/api/put.yml"
 )
 
+var demoTestCaseWithPlugin = &TestCase{
+	Config: NewConfig("demo with complex mechanisms").
+		SetBaseURL("https://postman-echo.com").
+		WithVariables(map[string]interface{}{ // global level variables
+			"n":       "${sum_ints(1, 2, 2)}",
+			"a":       "${sum(10, 2.3)}",
+			"b":       3.45,
+			"varFoo1": "${gen_random_string($n)}",
+			"varFoo2": "${max($a, $b)}", // 12.3; eval with built-in function
+		}),
+	TestSteps: []IStep{
+		NewStep("transaction 1 start").StartTransaction("tran1"), // start transaction
+		NewStep("get with params").
+			WithVariables(map[string]interface{}{ // step level variables
+				"n":       3,                // inherit config level variables if not set in step level, a/varFoo1
+				"b":       34.5,             // override config level variable if existed, n/b/varFoo2
+				"varFoo2": "${max($a, $b)}", // 34.5; override variable b and eval again
+				"name":    "get with params",
+			}).
+			SetupHook("${setup_hook_example($name)}").
+			GET("/get").
+			TeardownHook("${teardown_hook_example($name)}").
+			WithParams(map[string]interface{}{"foo1": "$varFoo1", "foo2": "$varFoo2"}). // request with params
+			WithHeaders(map[string]string{"User-Agent": "HttpRunnerPlus"}).             // request with headers
+			Extract().
+			WithJmesPath("body.args.foo1", "varFoo1"). // extract variable with jmespath
+			Validate().
+			AssertEqual("status_code", 200, "check response status code").        // validate response status code
+			AssertStartsWith("headers.\"Content-Type\"", "application/json", ""). // validate response header
+			AssertLengthEqual("body.args.foo1", 5, "check args foo1").            // validate response body with jmespath
+			AssertLengthEqual("$varFoo1", 5, "check args foo1").                  // assert with extracted variable from current step
+			AssertEqual("body.args.foo2", "34.5", "check args foo2"),             // notice: request params value will be converted to string
+		NewStep("transaction 1 end").EndTransaction("tran1"), // end transaction
+		NewStep("post json data").
+			POST("/post").
+			WithBody(map[string]interface{}{
+				"foo1": "$varFoo1",       // reference former extracted variable
+				"foo2": "${max($a, $b)}", // 12.3; step level variables are independent, variable b is 3.45 here
+			}).
+			Validate().
+			AssertEqual("status_code", 200, "check status code").
+			AssertLengthEqual("body.json.foo1", 5, "check args foo1").
+			AssertEqual("body.json.foo2", 12.3, "check args foo2"),
+		NewStep("post form data").
+			POST("/post").
+			WithHeaders(map[string]string{"Content-Type": "application/x-www-form-urlencoded; charset=UTF-8"}).
+			WithBody(map[string]interface{}{
+				"foo1": "$varFoo1",       // reference former extracted variable
+				"foo2": "${max($a, $b)}", // 12.3; step level variables are independent, variable b is 3.45 here
+				"time": "${get_timestamp()}",
+			}).
+			Extract().
+			WithJmesPath("body.form.time", "varTime").
+			Validate().
+			AssertEqual("status_code", 200, "check status code").
+			AssertLengthEqual("body.form.foo1", 5, "check args foo1").
+			AssertEqual("body.form.foo2", "12.3", "check args foo2"), // form data will be converted to string
+		NewStep("get with timestamp").
+			GET("/get").WithParams(map[string]interface{}{"time": "$varTime"}).
+			Validate().
+			AssertLengthEqual("body.args.time", 13, "check extracted var timestamp"),
+	},
+}
+
+var demoTestCaseWithoutPlugin = &TestCase{
+	Config: NewConfig("demo without custom function plugin").
+		SetBaseURL("https://postman-echo.com").
+		WithVariables(map[string]interface{}{ // global level variables
+			"n":       5,
+			"a":       12.3,
+			"b":       3.45,
+			"varFoo1": "${gen_random_string($n)}",
+			"varFoo2": "${max($a, $b)}", // 12.3; eval with built-in function
+		}),
+	TestSteps: []IStep{
+		NewStep("transaction 1 start").StartTransaction("tran1"), // start transaction
+		NewStep("get with params").
+			WithVariables(map[string]interface{}{ // step level variables
+				"n":       3,                // inherit config level variables if not set in step level, a/varFoo1
+				"b":       34.5,             // override config level variable if existed, n/b/varFoo2
+				"varFoo2": "${max($a, $b)}", // 34.5; override variable b and eval again
+				"name":    "get with params",
+			}).
+			GET("/get").
+			WithParams(map[string]interface{}{"foo1": "$varFoo1", "foo2": "$varFoo2"}). // request with params
+			WithHeaders(map[string]string{"User-Agent": "HttpRunnerPlus"}).             // request with headers
+			Extract().
+			WithJmesPath("body.args.foo1", "varFoo1"). // extract variable with jmespath
+			Validate().
+			AssertEqual("status_code", 200, "check response status code").        // validate response status code
+			AssertStartsWith("headers.\"Content-Type\"", "application/json", ""). // validate response header
+			AssertLengthEqual("body.args.foo1", 5, "check args foo1").            // validate response body with jmespath
+			AssertLengthEqual("$varFoo1", 5, "check args foo1").                  // assert with extracted variable from current step
+			AssertEqual("body.args.foo2", "34.5", "check args foo2"),             // notice: request params value will be converted to string
+		NewStep("transaction 1 end").EndTransaction("tran1"), // end transaction
+		NewStep("post json data").
+			POST("/post").
+			WithBody(map[string]interface{}{
+				"foo1": "$varFoo1",       // reference former extracted variable
+				"foo2": "${max($a, $b)}", // 12.3; step level variables are independent, variable b is 3.45 here
+			}).
+			Validate().
+			AssertEqual("status_code", 200, "check status code").
+			AssertLengthEqual("body.json.foo1", 5, "check args foo1").
+			AssertEqual("body.json.foo2", 12.3, "check args foo2"),
+		NewStep("post form data").
+			POST("/post").
+			WithHeaders(map[string]string{"Content-Type": "application/x-www-form-urlencoded; charset=UTF-8"}).
+			WithBody(map[string]interface{}{
+				"foo1": "$varFoo1",       // reference former extracted variable
+				"foo2": "${max($a, $b)}", // 12.3; step level variables are independent, variable b is 3.45 here
+				"time": "${get_timestamp()}",
+			}).
+			Extract().
+			WithJmesPath("body.form.time", "varTime").
+			Validate().
+			AssertEqual("status_code", 200, "check status code").
+			AssertLengthEqual("body.form.foo1", 5, "check args foo1").
+			AssertEqual("body.form.foo2", "12.3", "check args foo2"), // form data will be converted to string
+		NewStep("get with timestamp").
+			GET("/get").WithParams(map[string]interface{}{"time": "$varTime"}).
+			Validate().
+			AssertLengthEqual("body.args.time", 13, "check extracted var timestamp"),
+	},
+}
+
+func TestGenDemoTestCase(t *testing.T) {
+	tCase, _ := demoTestCaseWithPlugin.ToTCase()
+	err := builtin.Dump2JSON(tCase, demoTestCaseWithPluginJSONPath.ToString())
+	if err != nil {
+		t.Fail()
+	}
+	err = builtin.Dump2YAML(tCase, demoTestCaseWithPluginYAMLPath.ToString())
+	if err != nil {
+		t.Fail()
+	}
+
+	tCase, _ = demoTestCaseWithoutPlugin.ToTCase()
+	err = builtin.Dump2JSON(tCase, demoTestCaseWithoutPluginJSONPath.ToString())
+	if err != nil {
+		t.Fail()
+	}
+	err = builtin.Dump2YAML(tCase, demoTestCaseWithoutPluginYAMLPath.ToString())
+	if err != nil {
+		t.Fail()
+	}
+}
+
+func TestJsonDemoWithPlugin(t *testing.T) {
+	buildHashicorpGoPlugin()
+	defer removeHashicorpGoPlugin()
+
+	err := NewRunner(nil).Run(&demoTestCaseWithPluginJSONPath) // hrp.Run(testCase)
+	if err != nil {
+		t.Fail()
+	}
+}
+
+func TestYamlDemoWithPlugin(t *testing.T) {
+	buildHashicorpGoPlugin()
+	defer removeHashicorpGoPlugin()
+
+	err := NewRunner(nil).Run(&demoTestCaseWithPluginYAMLPath) // hrp.Run(testCase)
+	if err != nil {
+		t.Fail()
+	}
+}
+
 func TestLoadCase(t *testing.T) {
 	tcJSON := &TCase{}
 	tcYAML := &TCase{}
-	err := builtin.LoadFile(demoTestCaseJSONPath.ToString(), tcJSON)
+	err := builtin.LoadFile(demoTestCaseWithPluginJSONPath.ToString(), tcJSON)
 	if !assert.NoError(t, err) {
 		t.Fail()
 	}
-	err = builtin.LoadFile(demoTestCaseYAMLPath.ToString(), tcYAML)
+	err = builtin.LoadFile(demoTestCaseWithPluginYAMLPath.ToString(), tcYAML)
 	if !assert.NoError(t, err) {
 		t.Fail()
 	}
diff --git a/hrp/internal/builtin/function.go b/hrp/internal/builtin/function.go
index e271b447..7ce36eb7 100644
--- a/hrp/internal/builtin/function.go
+++ b/hrp/internal/builtin/function.go
@@ -1,26 +1,11 @@
 package builtin
 
 import (
-	"bytes"
 	"crypto/md5"
-	"encoding/csv"
 	"encoding/hex"
-	builtinJSON "encoding/json"
-	"fmt"
 	"math"
 	"math/rand"
-	"os"
-	"os/exec"
-	"path/filepath"
-	"strconv"
-	"strings"
 	"time"
-
-	"github.com/pkg/errors"
-	"github.com/rs/zerolog/log"
-	"gopkg.in/yaml.v3"
-
-	"github.com/httprunner/httprunner/hrp/internal/json"
 )
 
 var Functions = map[string]interface{}{
@@ -61,235 +46,3 @@ func MD5(str string) string {
 	hasher.Write([]byte(str))
 	return hex.EncodeToString(hasher.Sum(nil))
 }
-
-func Dump2JSON(data interface{}, path string) error {
-	path, err := filepath.Abs(path)
-	if err != nil {
-		log.Error().Err(err).Msg("convert absolute path failed")
-		return err
-	}
-	log.Info().Str("path", path).Msg("dump data to json")
-	file, _ := json.MarshalIndent(data, "", "    ")
-	err = os.WriteFile(path, file, 0644)
-	if err != nil {
-		log.Error().Err(err).Msg("dump json path failed")
-		return err
-	}
-	return nil
-}
-
-func Dump2YAML(data interface{}, path string) error {
-	path, err := filepath.Abs(path)
-	if err != nil {
-		log.Error().Err(err).Msg("convert absolute path failed")
-		return err
-	}
-	log.Info().Str("path", path).Msg("dump data to yaml")
-
-	// init yaml encoder
-	buffer := new(bytes.Buffer)
-	encoder := yaml.NewEncoder(buffer)
-	encoder.SetIndent(4)
-
-	// encode
-	err = encoder.Encode(data)
-	if err != nil {
-		return err
-	}
-
-	err = os.WriteFile(path, buffer.Bytes(), 0644)
-	if err != nil {
-		log.Error().Err(err).Msg("dump yaml path failed")
-		return err
-	}
-	return nil
-}
-
-func FormatResponse(raw interface{}) interface{} {
-	formattedResponse := make(map[string]interface{})
-	for key, value := range raw.(map[string]interface{}) {
-		// convert value to json
-		if key == "body" {
-			b, _ := json.MarshalIndent(&value, "", "    ")
-			value = string(b)
-		}
-		formattedResponse[key] = value
-	}
-	return formattedResponse
-}
-
-func ExecCommand(cmd *exec.Cmd, cwd string) error {
-	log.Info().Str("cmd", cmd.String()).Str("cwd", cwd).Msg("exec command")
-	cmd.Dir = cwd
-	output, err := cmd.CombinedOutput()
-	out := strings.TrimSpace(string(output))
-	if err != nil {
-		log.Error().Err(err).Str("output", out).Msg("exec command failed")
-	} else if len(out) != 0 {
-		log.Info().Str("output", out).Msg("exec command success")
-	}
-	return err
-}
-
-func CreateFolder(folderPath string) error {
-	log.Info().Str("path", folderPath).Msg("create folder")
-	err := os.MkdirAll(folderPath, os.ModePerm)
-	if err != nil {
-		log.Error().Err(err).Msg("create folder failed")
-		return err
-	}
-	return nil
-}
-
-func CreateFile(filePath string, data string) error {
-	log.Info().Str("path", filePath).Msg("create file")
-	err := os.WriteFile(filePath, []byte(data), 0o644)
-	if err != nil {
-		log.Error().Err(err).Msg("create file failed")
-		return err
-	}
-	return nil
-}
-
-// isFilePathExists returns true if path exists, whether path is file or dir
-func isPathExists(path string) bool {
-	if _, err := os.Stat(path); os.IsNotExist(err) {
-		return false
-	}
-	return true
-}
-
-// isFilePathExists returns true if path exists and path is file
-func isFilePathExists(path string) bool {
-	info, err := os.Stat(path)
-	if err != nil {
-		// path not exists
-		return false
-	}
-
-	// path exists
-	if info.IsDir() {
-		// path is dir, not file
-		return false
-	}
-	return true
-}
-
-func EnsureFolderExists(folderPath string) error {
-	if !isPathExists(folderPath) {
-		err := CreateFolder(folderPath)
-		return err
-	} else if isFilePathExists(folderPath) {
-		return fmt.Errorf("path %v should be directory", folderPath)
-	}
-	return nil
-}
-
-func Contains(s []string, e string) bool {
-	for _, a := range s {
-		if a == e {
-			return true
-		}
-	}
-	return false
-}
-
-func GetRandomNumber(min, max int) int {
-	if min > max {
-		return 0
-	}
-	r := rand.Intn(max - min + 1)
-	return min + r
-}
-
-func Interface2Float64(i interface{}) (float64, error) {
-	switch i.(type) {
-	case int:
-		return float64(i.(int)), nil
-	case int32:
-		return float64(i.(int32)), nil
-	case int64:
-		return float64(i.(int64)), nil
-	case float32:
-		return float64(i.(float32)), nil
-	case float64:
-		return i.(float64), nil
-	case string:
-		intVar, err := strconv.Atoi(i.(string))
-		if err != nil {
-			return 0, err
-		}
-		return float64(intVar), err
-	}
-	// json.Number
-	value, ok := i.(builtinJSON.Number)
-	if ok {
-		return value.Float64()
-	}
-	return 0, errors.New("failed to convert interface to float64")
-}
-
-var ErrUnsupportedFileExt = fmt.Errorf("unsupported file extension")
-
-// LoadFile loads file content with file extension and assigns to structObj
-func LoadFile(path string, structObj interface{}) (err error) {
-	log.Info().Str("path", path).Msg("load file")
-	file, err := readFile(path)
-	if err != nil {
-		return errors.Wrap(err, "read file failed")
-	}
-
-	ext := filepath.Ext(path)
-	switch ext {
-	case ".json", ".har":
-		decoder := json.NewDecoder(bytes.NewReader(file))
-		decoder.UseNumber()
-		err = decoder.Decode(structObj)
-	case ".yaml", ".yml":
-		err = yaml.Unmarshal(file, structObj)
-	default:
-		err = ErrUnsupportedFileExt
-	}
-	return err
-}
-
-func loadFromCSV(path string) []map[string]interface{} {
-	log.Info().Str("path", path).Msg("load csv file")
-	file, err := readFile(path)
-	if err != nil {
-		log.Error().Err(err).Msg("read csv file failed")
-		panic(err)
-	}
-
-	r := csv.NewReader(strings.NewReader(string(file)))
-	content, err := r.ReadAll()
-	if err != nil {
-		log.Error().Err(err).Msg("parse csv file failed")
-		panic(err)
-	}
-	var result []map[string]interface{}
-	for i := 1; i < len(content); i++ {
-		row := make(map[string]interface{})
-		for j := 0; j < len(content[i]); j++ {
-			row[content[0][j]] = content[i][j]
-		}
-		result = append(result, row)
-	}
-	return result
-}
-
-func readFile(path string) ([]byte, error) {
-	var err error
-	path, err = filepath.Abs(path)
-	if err != nil {
-		log.Error().Err(err).Str("path", path).Msg("convert absolute path failed")
-		return nil, err
-	}
-
-	file, err := os.ReadFile(path)
-	if err != nil {
-		log.Error().Err(err).Msg("read file failed")
-		return nil, err
-	}
-	return file, nil
-}
diff --git a/hrp/internal/builtin/utils.go b/hrp/internal/builtin/utils.go
new file mode 100644
index 00000000..7d9bd4a8
--- /dev/null
+++ b/hrp/internal/builtin/utils.go
@@ -0,0 +1,252 @@
+package builtin
+
+import (
+	"bytes"
+	"encoding/csv"
+	builtinJSON "encoding/json"
+	"fmt"
+	"math/rand"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strconv"
+	"strings"
+
+	"github.com/pkg/errors"
+	"github.com/rs/zerolog/log"
+	"gopkg.in/yaml.v3"
+
+	"github.com/httprunner/httprunner/hrp/internal/json"
+)
+
+func Dump2JSON(data interface{}, path string) error {
+	path, err := filepath.Abs(path)
+	if err != nil {
+		log.Error().Err(err).Msg("convert absolute path failed")
+		return err
+	}
+	log.Info().Str("path", path).Msg("dump data to json")
+	file, _ := json.MarshalIndent(data, "", "    ")
+	err = os.WriteFile(path, file, 0644)
+	if err != nil {
+		log.Error().Err(err).Msg("dump json path failed")
+		return err
+	}
+	return nil
+}
+
+func Dump2YAML(data interface{}, path string) error {
+	path, err := filepath.Abs(path)
+	if err != nil {
+		log.Error().Err(err).Msg("convert absolute path failed")
+		return err
+	}
+	log.Info().Str("path", path).Msg("dump data to yaml")
+
+	// init yaml encoder
+	buffer := new(bytes.Buffer)
+	encoder := yaml.NewEncoder(buffer)
+	encoder.SetIndent(4)
+
+	// encode
+	err = encoder.Encode(data)
+	if err != nil {
+		return err
+	}
+
+	err = os.WriteFile(path, buffer.Bytes(), 0644)
+	if err != nil {
+		log.Error().Err(err).Msg("dump yaml path failed")
+		return err
+	}
+	return nil
+}
+
+func FormatResponse(raw interface{}) interface{} {
+	formattedResponse := make(map[string]interface{})
+	for key, value := range raw.(map[string]interface{}) {
+		// convert value to json
+		if key == "body" {
+			b, _ := json.MarshalIndent(&value, "", "    ")
+			value = string(b)
+		}
+		formattedResponse[key] = value
+	}
+	return formattedResponse
+}
+
+func ExecCommand(cmd *exec.Cmd, cwd string) error {
+	log.Info().Str("cmd", cmd.String()).Str("cwd", cwd).Msg("exec command")
+	cmd.Dir = cwd
+	output, err := cmd.CombinedOutput()
+	out := strings.TrimSpace(string(output))
+	if err != nil {
+		log.Error().Err(err).Str("output", out).Msg("exec command failed")
+	} else if len(out) != 0 {
+		log.Info().Str("output", out).Msg("exec command success")
+	}
+	return err
+}
+
+func CreateFolder(folderPath string) error {
+	log.Info().Str("path", folderPath).Msg("create folder")
+	err := os.MkdirAll(folderPath, os.ModePerm)
+	if err != nil {
+		log.Error().Err(err).Msg("create folder failed")
+		return err
+	}
+	return nil
+}
+
+func CreateFile(filePath string, data string) error {
+	log.Info().Str("path", filePath).Msg("create file")
+	err := os.WriteFile(filePath, []byte(data), 0o644)
+	if err != nil {
+		log.Error().Err(err).Msg("create file failed")
+		return err
+	}
+	return nil
+}
+
+// isFilePathExists returns true if path exists, whether path is file or dir
+func isPathExists(path string) bool {
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		return false
+	}
+	return true
+}
+
+// isFilePathExists returns true if path exists and path is file
+func isFilePathExists(path string) bool {
+	info, err := os.Stat(path)
+	if err != nil {
+		// path not exists
+		return false
+	}
+
+	// path exists
+	if info.IsDir() {
+		// path is dir, not file
+		return false
+	}
+	return true
+}
+
+func EnsureFolderExists(folderPath string) error {
+	if !isPathExists(folderPath) {
+		err := CreateFolder(folderPath)
+		return err
+	} else if isFilePathExists(folderPath) {
+		return fmt.Errorf("path %v should be directory", folderPath)
+	}
+	return nil
+}
+
+func Contains(s []string, e string) bool {
+	for _, a := range s {
+		if a == e {
+			return true
+		}
+	}
+	return false
+}
+
+func GetRandomNumber(min, max int) int {
+	if min > max {
+		return 0
+	}
+	r := rand.Intn(max - min + 1)
+	return min + r
+}
+
+func Interface2Float64(i interface{}) (float64, error) {
+	switch i.(type) {
+	case int:
+		return float64(i.(int)), nil
+	case int32:
+		return float64(i.(int32)), nil
+	case int64:
+		return float64(i.(int64)), nil
+	case float32:
+		return float64(i.(float32)), nil
+	case float64:
+		return i.(float64), nil
+	case string:
+		intVar, err := strconv.Atoi(i.(string))
+		if err != nil {
+			return 0, err
+		}
+		return float64(intVar), err
+	}
+	// json.Number
+	value, ok := i.(builtinJSON.Number)
+	if ok {
+		return value.Float64()
+	}
+	return 0, errors.New("failed to convert interface to float64")
+}
+
+var ErrUnsupportedFileExt = fmt.Errorf("unsupported file extension")
+
+// LoadFile loads file content with file extension and assigns to structObj
+func LoadFile(path string, structObj interface{}) (err error) {
+	log.Info().Str("path", path).Msg("load file")
+	file, err := readFile(path)
+	if err != nil {
+		return errors.Wrap(err, "read file failed")
+	}
+
+	ext := filepath.Ext(path)
+	switch ext {
+	case ".json", ".har":
+		decoder := json.NewDecoder(bytes.NewReader(file))
+		decoder.UseNumber()
+		err = decoder.Decode(structObj)
+	case ".yaml", ".yml":
+		err = yaml.Unmarshal(file, structObj)
+	default:
+		err = ErrUnsupportedFileExt
+	}
+	return err
+}
+
+func loadFromCSV(path string) []map[string]interface{} {
+	log.Info().Str("path", path).Msg("load csv file")
+	file, err := readFile(path)
+	if err != nil {
+		log.Error().Err(err).Msg("read csv file failed")
+		panic(err)
+	}
+
+	r := csv.NewReader(strings.NewReader(string(file)))
+	content, err := r.ReadAll()
+	if err != nil {
+		log.Error().Err(err).Msg("parse csv file failed")
+		panic(err)
+	}
+	var result []map[string]interface{}
+	for i := 1; i < len(content); i++ {
+		row := make(map[string]interface{})
+		for j := 0; j < len(content[i]); j++ {
+			row[content[0][j]] = content[i][j]
+		}
+		result = append(result, row)
+	}
+	return result
+}
+
+func readFile(path string) ([]byte, error) {
+	var err error
+	path, err = filepath.Abs(path)
+	if err != nil {
+		log.Error().Err(err).Str("path", path).Msg("convert absolute path failed")
+		return nil, err
+	}
+
+	file, err := os.ReadFile(path)
+	if err != nil {
+		log.Error().Err(err).Msg("read file failed")
+		return nil, err
+	}
+	return file, nil
+}
diff --git a/hrp/internal/scaffold/demo.go b/hrp/internal/scaffold/demo.go
deleted file mode 100644
index 83338830..00000000
--- a/hrp/internal/scaffold/demo.go
+++ /dev/null
@@ -1,260 +0,0 @@
-package scaffold
-
-import "github.com/httprunner/httprunner/hrp"
-
-var demoTestCase = &hrp.TestCase{
-	Config: hrp.NewConfig("demo with complex mechanisms").
-		SetBaseURL("https://postman-echo.com").
-		WithVariables(map[string]interface{}{ // global level variables
-			"n":       "${sum_ints(1, 2, 2)}",
-			"a":       "${sum(10, 2.3)}",
-			"b":       3.45,
-			"varFoo1": "${gen_random_string($n)}",
-			"varFoo2": "${max($a, $b)}", // 12.3; eval with built-in function
-		}),
-	TestSteps: []hrp.IStep{
-		hrp.NewStep("transaction 1 start").StartTransaction("tran1"), // start transaction
-		hrp.NewStep("get with params").
-			WithVariables(map[string]interface{}{ // step level variables
-				"n":       3,                // inherit config level variables if not set in step level, a/varFoo1
-				"b":       34.5,             // override config level variable if existed, n/b/varFoo2
-				"varFoo2": "${max($a, $b)}", // 34.5; override variable b and eval again
-				"name":    "get with params",
-			}).
-			SetupHook("${setup_hook_example($name)}").
-			GET("/get").
-			TeardownHook("${teardown_hook_example($name)}").
-			WithParams(map[string]interface{}{"foo1": "$varFoo1", "foo2": "$varFoo2"}). // request with params
-			WithHeaders(map[string]string{"User-Agent": "HttpRunnerPlus"}).             // request with headers
-			Extract().
-			WithJmesPath("body.args.foo1", "varFoo1"). // extract variable with jmespath
-			Validate().
-			AssertEqual("status_code", 200, "check response status code").        // validate response status code
-			AssertStartsWith("headers.\"Content-Type\"", "application/json", ""). // validate response header
-			AssertLengthEqual("body.args.foo1", 5, "check args foo1").            // validate response body with jmespath
-			AssertLengthEqual("$varFoo1", 5, "check args foo1").                  // assert with extracted variable from current step
-			AssertEqual("body.args.foo2", "34.5", "check args foo2"),             // notice: request params value will be converted to string
-		hrp.NewStep("transaction 1 end").EndTransaction("tran1"), // end transaction
-		hrp.NewStep("post json data").
-			POST("/post").
-			WithBody(map[string]interface{}{
-				"foo1": "$varFoo1",       // reference former extracted variable
-				"foo2": "${max($a, $b)}", // 12.3; step level variables are independent, variable b is 3.45 here
-			}).
-			Validate().
-			AssertEqual("status_code", 200, "check status code").
-			AssertLengthEqual("body.json.foo1", 5, "check args foo1").
-			AssertEqual("body.json.foo2", 12.3, "check args foo2"),
-		hrp.NewStep("post form data").
-			POST("/post").
-			WithHeaders(map[string]string{"Content-Type": "application/x-www-form-urlencoded; charset=UTF-8"}).
-			WithBody(map[string]interface{}{
-				"foo1": "$varFoo1",       // reference former extracted variable
-				"foo2": "${max($a, $b)}", // 12.3; step level variables are independent, variable b is 3.45 here
-				"time": "${get_timestamp()}",
-			}).
-			Extract().
-			WithJmesPath("body.form.time", "varTime").
-			Validate().
-			AssertEqual("status_code", 200, "check status code").
-			AssertLengthEqual("body.form.foo1", 5, "check args foo1").
-			AssertEqual("body.form.foo2", "12.3", "check args foo2"), // form data will be converted to string
-		hrp.NewStep("get with timestamp").
-			GET("/get").WithParams(map[string]interface{}{"time": "$varTime"}).
-			Validate().
-			AssertLengthEqual("body.args.time", 13, "check extracted var timestamp"),
-	},
-}
-
-var demoTestCaseWithoutPlugin = &hrp.TestCase{
-	Config: hrp.NewConfig("demo without custom function plugin").
-		SetBaseURL("https://postman-echo.com").
-		WithVariables(map[string]interface{}{ // global level variables
-			"n":       5,
-			"a":       12.3,
-			"b":       3.45,
-			"varFoo1": "${gen_random_string($n)}",
-			"varFoo2": "${max($a, $b)}", // 12.3; eval with built-in function
-		}),
-	TestSteps: []hrp.IStep{
-		hrp.NewStep("transaction 1 start").StartTransaction("tran1"), // start transaction
-		hrp.NewStep("get with params").
-			WithVariables(map[string]interface{}{ // step level variables
-				"n":       3,                // inherit config level variables if not set in step level, a/varFoo1
-				"b":       34.5,             // override config level variable if existed, n/b/varFoo2
-				"varFoo2": "${max($a, $b)}", // 34.5; override variable b and eval again
-				"name":    "get with params",
-			}).
-			GET("/get").
-			WithParams(map[string]interface{}{"foo1": "$varFoo1", "foo2": "$varFoo2"}). // request with params
-			WithHeaders(map[string]string{"User-Agent": "HttpRunnerPlus"}).             // request with headers
-			Extract().
-			WithJmesPath("body.args.foo1", "varFoo1"). // extract variable with jmespath
-			Validate().
-			AssertEqual("status_code", 200, "check response status code").        // validate response status code
-			AssertStartsWith("headers.\"Content-Type\"", "application/json", ""). // validate response header
-			AssertLengthEqual("body.args.foo1", 5, "check args foo1").            // validate response body with jmespath
-			AssertLengthEqual("$varFoo1", 5, "check args foo1").                  // assert with extracted variable from current step
-			AssertEqual("body.args.foo2", "34.5", "check args foo2"),             // notice: request params value will be converted to string
-		hrp.NewStep("transaction 1 end").EndTransaction("tran1"), // end transaction
-		hrp.NewStep("post json data").
-			POST("/post").
-			WithBody(map[string]interface{}{
-				"foo1": "$varFoo1",       // reference former extracted variable
-				"foo2": "${max($a, $b)}", // 12.3; step level variables are independent, variable b is 3.45 here
-			}).
-			Validate().
-			AssertEqual("status_code", 200, "check status code").
-			AssertLengthEqual("body.json.foo1", 5, "check args foo1").
-			AssertEqual("body.json.foo2", 12.3, "check args foo2"),
-		hrp.NewStep("post form data").
-			POST("/post").
-			WithHeaders(map[string]string{"Content-Type": "application/x-www-form-urlencoded; charset=UTF-8"}).
-			WithBody(map[string]interface{}{
-				"foo1": "$varFoo1",       // reference former extracted variable
-				"foo2": "${max($a, $b)}", // 12.3; step level variables are independent, variable b is 3.45 here
-				"time": "${get_timestamp()}",
-			}).
-			Extract().
-			WithJmesPath("body.form.time", "varTime").
-			Validate().
-			AssertEqual("status_code", 200, "check status code").
-			AssertLengthEqual("body.form.foo1", 5, "check args foo1").
-			AssertEqual("body.form.foo2", "12.3", "check args foo2"), // form data will be converted to string
-		hrp.NewStep("get with timestamp").
-			GET("/get").WithParams(map[string]interface{}{"time": "$varTime"}).
-			Validate().
-			AssertLengthEqual("body.args.time", 13, "check extracted var timestamp"),
-	},
-}
-
-// debugtalk.go
-var demoGoPlugin = `package main
-
-import (
-	"fmt"
-
-	"github.com/httprunner/funplugin/fungo"
-)
-
-func SumTwoInt(a, b int) int {
-	return a + b
-}
-
-func SumInts(args ...int) int {
-	var sum int
-	for _, arg := range args {
-		sum += arg
-	}
-	return sum
-}
-
-func Sum(args ...interface{}) (interface{}, error) {
-	var sum float64
-	for _, arg := range args {
-		switch v := arg.(type) {
-		case int:
-			sum += float64(v)
-		case float64:
-			sum += v
-		default:
-			return nil, fmt.Errorf("unexpected type: %T", arg)
-		}
-	}
-	return sum, nil
-}
-
-func SetupHookExample(args string) string {
-	return fmt.Sprintf("step name: %v, setup...", args)
-}
-
-func TeardownHookExample(args string) string {
-	return fmt.Sprintf("step name: %v, teardown...", args)
-}
-
-func main() {
-	fungo.Register("sum_ints", SumInts)
-	fungo.Register("sum_two_int", SumTwoInt)
-	fungo.Register("sum", Sum)
-	fungo.Register("setup_hook_example", SetupHookExample)
-	fungo.Register("teardown_hook_example", TeardownHookExample)
-	fungo.Serve()
-}
-`
-
-// debugtalk.py
-var demoPyPlugin = `import logging
-from typing import List
-
-import funppy
-
-
-def sum(*args):
-    result = 0
-    for arg in args:
-        result += arg
-    return result
-
-def sum_ints(*args: List[int]) -> int:
-    result = 0
-    for arg in args:
-        result += arg
-    return result
-
-def sum_two_int(a: int, b: int) -> int:
-    return a + b
-
-def sum_two_string(a: str, b: str) -> str:
-    return a + b
-
-def sum_strings(*args: List[str]) -> str:
-    result = ""
-    for arg in args:
-        result += arg
-    return result
-
-def concatenate(*args: List[str]) -> str:
-    result = ""
-    for arg in args:
-        result += str(arg)
-    return result
-
-def setup_hook_example(name):
-    logging.warning("setup_hook_example")
-    return f"setup_hook_example: {name}"
-
-def teardown_hook_example(name):
-    logging.warning("teardown_hook_example")
-    return f"teardown_hook_example: {name}"
-
-
-if __name__ == '__main__':
-    funppy.register("sum", sum)
-    funppy.register("sum_ints", sum_ints)
-    funppy.register("concatenate", concatenate)
-    funppy.register("sum_two_int", sum_two_int)
-    funppy.register("sum_two_string", sum_two_string)
-    funppy.register("sum_strings", sum_strings)
-    funppy.register("setup_hook_example", setup_hook_example)
-    funppy.register("teardown_hook_example", teardown_hook_example)
-    funppy.serve()
-`
-
-// .gitignore
-var demoIgnoreContent = `.env
-reports/
-*.so
-.vscode/
-.idea/
-.DS_Store
-output/
-
-# plugin
-debugtalk.bin
-debugtalk.so
-`
-
-// .env
-var demoEnvContent = `USERNAME=debugtalk
-PASSWORD=123456
-`
diff --git a/hrp/internal/scaffold/demo_test.go b/hrp/internal/scaffold/demo_test.go
deleted file mode 100644
index 4a88ead3..00000000
--- a/hrp/internal/scaffold/demo_test.go
+++ /dev/null
@@ -1,75 +0,0 @@
-package scaffold
-
-import (
-	"os"
-	"os/exec"
-	"testing"
-
-	"github.com/rs/zerolog/log"
-
-	"github.com/httprunner/httprunner/hrp"
-	"github.com/httprunner/httprunner/hrp/internal/builtin"
-)
-
-var (
-	demoTestCaseJSONPath hrp.TestCasePath = "../../../examples/hrp/demo.json"
-	demoTestCaseYAMLPath hrp.TestCasePath = "../../../examples/hrp/demo.yaml"
-)
-
-func buildHashicorpPlugin() {
-	log.Info().Msg("[init] build hashicorp go plugin")
-	cmd := exec.Command("go", "build",
-		"-o", "../../../examples/hrp/debugtalk.bin",
-		"../../../examples/hrp/plugin/hashicorp.go", "../../../examples/hrp/plugin/debugtalk.go")
-	if err := cmd.Run(); err != nil {
-		panic(err)
-	}
-}
-
-func removeHashicorpPlugin() {
-	log.Info().Msg("[teardown] remove hashicorp plugin")
-	os.Remove("../../../examples/hrp/debugtalk.bin")
-}
-
-func TestGenDemoTestCase(t *testing.T) {
-	tCase, _ := demoTestCase.ToTCase()
-	err := builtin.Dump2JSON(tCase, demoTestCaseJSONPath.ToString())
-	if err != nil {
-		t.Fail()
-	}
-	err = builtin.Dump2YAML(tCase, demoTestCaseYAMLPath.ToString())
-	if err != nil {
-		t.Fail()
-	}
-}
-
-func TestExampleDemo(t *testing.T) {
-	buildHashicorpPlugin()
-	defer removeHashicorpPlugin()
-
-	demoTestCase.Config.Path = "../../../examples/hrp/debugtalk.bin"
-	err := hrp.NewRunner(nil).Run(demoTestCase) // hrp.Run(demoTestCase)
-	if err != nil {
-		t.Fail()
-	}
-}
-
-func TestJsonDemo(t *testing.T) {
-	buildHashicorpPlugin()
-	defer removeHashicorpPlugin()
-
-	err := hrp.NewRunner(nil).Run(&demoTestCaseJSONPath) // hrp.Run(testCase)
-	if err != nil {
-		t.Fail()
-	}
-}
-
-func TestYamlDemo(t *testing.T) {
-	buildHashicorpPlugin()
-	defer removeHashicorpPlugin()
-
-	err := hrp.NewRunner(nil).Run(&demoTestCaseYAMLPath) // hrp.Run(testCase)
-	if err != nil {
-		t.Fail()
-	}
-}
diff --git a/hrp/internal/scaffold/main.go b/hrp/internal/scaffold/main.go
index c567f28e..37f819f1 100644
--- a/hrp/internal/scaffold/main.go
+++ b/hrp/internal/scaffold/main.go
@@ -1,16 +1,16 @@
 package scaffold
 
 import (
+	"embed"
 	"fmt"
 	"os"
 	"os/exec"
-	"path"
+	"path/filepath"
 
 	"github.com/pkg/errors"
 	"github.com/rs/zerolog/log"
 
 	"github.com/httprunner/funplugin/shared"
-	"github.com/httprunner/httprunner/hrp"
 	"github.com/httprunner/httprunner/hrp/internal/builtin"
 	"github.com/httprunner/httprunner/hrp/internal/sdk"
 )
@@ -23,6 +23,25 @@ const (
 	Go     PluginType = "go"
 )
 
+//go:embed templates/*
+var templatesDir embed.FS
+
+// CopyFile copies a file from templates dir to scaffold project
+func CopyFile(templateFile, targetFile string) error {
+	log.Info().Str("path", targetFile).Msg("create file")
+	content, err := templatesDir.ReadFile(templateFile)
+	if err != nil {
+		return errors.Wrap(err, "template file not found")
+	}
+
+	err = os.WriteFile(targetFile, content, 0o644)
+	if err != nil {
+		log.Error().Err(err).Msg("create file failed")
+		return err
+	}
+	return nil
+}
+
 func CreateScaffold(projectName string, pluginType PluginType) error {
 	// report event
 	sdk.SendEvent(sdk.EventTracking{
@@ -46,48 +65,56 @@ func CreateScaffold(projectName string, pluginType PluginType) error {
 	if err := builtin.CreateFolder(projectName); err != nil {
 		return err
 	}
-	if err := builtin.CreateFolder(path.Join(projectName, "har")); err != nil {
+	if err := builtin.CreateFolder(filepath.Join(projectName, "har")); err != nil {
 		return err
 	}
-	if err := builtin.CreateFolder(path.Join(projectName, "testcases")); err != nil {
+	if err := builtin.CreateFolder(filepath.Join(projectName, "testcases")); err != nil {
 		return err
 	}
-	if err := builtin.CreateFolder(path.Join(projectName, "reports")); err != nil {
-		return err
-	}
-
-	// create demo testcases
-	var tCase *hrp.TCase
-	if pluginType == Ignore {
-		tCase, _ = demoTestCaseWithoutPlugin.ToTCase()
-	} else {
-		tCase, _ = demoTestCase.ToTCase()
-	}
-	err := builtin.Dump2JSON(tCase, path.Join(projectName, "testcases", "demo.json"))
-	if err != nil {
-		log.Error().Err(err).Msg("create demo.json testcase failed")
-		return err
-	}
-	err = builtin.Dump2YAML(tCase, path.Join(projectName, "testcases", "demo.yaml"))
-	if err != nil {
-		log.Error().Err(err).Msg("create demo.yml testcase failed")
+	if err := builtin.CreateFolder(filepath.Join(projectName, "reports")); err != nil {
 		return err
 	}
 
 	// create .gitignore
-	if err := builtin.CreateFile(path.Join(projectName, ".gitignore"), demoIgnoreContent); err != nil {
+	err := CopyFile("templates/gitignore", filepath.Join(projectName, ".gitignore"))
+	if err != nil {
 		return err
 	}
 	// create .env
-	if err := builtin.CreateFile(path.Join(projectName, ".env"), demoEnvContent); err != nil {
+	err = CopyFile("templates/env", filepath.Join(projectName, ".env"))
+	if err != nil {
+		return err
+	}
+
+	// create demo testcases
+	if pluginType == Ignore {
+		err := CopyFile("templates/testcases/demo_without_plugin.json",
+			filepath.Join(projectName, "testcases", "demo_without_plugin.json"))
+		if err != nil {
+			return err
+		}
+		log.Info().Msg("skip creating function plugin")
+		return nil
+	}
+
+	err = CopyFile("templates/testcases/demo_with_funplugin.json",
+		filepath.Join(projectName, "testcases", "demo_with_funplugin.json"))
+	if err != nil {
+		return err
+	}
+	err = CopyFile("templates/testcases/demo_requests.yml",
+		filepath.Join(projectName, "testcases", "demo_requests.yml"))
+	if err != nil {
+		return err
+	}
+	err = CopyFile("templates/testcases/demo_ref_testcase.yml",
+		filepath.Join(projectName, "testcases", "demo_ref_testcase.yml"))
+	if err != nil {
 		return err
 	}
 
 	// create debugtalk function plugin
 	switch pluginType {
-	case Ignore:
-		log.Info().Msg("skip creating function plugin")
-		return nil
 	case Py:
 		return createPythonPlugin(projectName)
 	case Go:
@@ -105,12 +132,13 @@ func createGoPlugin(projectName string) error {
 	}
 
 	// create debugtalk.go
-	pluginDir := path.Join(projectName, "plugin")
+	pluginDir := filepath.Join(projectName, "plugin")
 	if err := builtin.CreateFolder(pluginDir); err != nil {
 		return err
 	}
-	pluginFile := path.Join(pluginDir, "debugtalk.go")
-	if err := builtin.CreateFile(pluginFile, demoGoPlugin); err != nil {
+	err := CopyFile("templates/plugin/debugtalk.go",
+		filepath.Join(projectName, "plugin", "debugtalk.go"))
+	if err != nil {
 		return err
 	}
 
@@ -125,7 +153,7 @@ func createGoPlugin(projectName string) error {
 	}
 
 	// build plugin debugtalk.bin
-	if err := builtin.ExecCommand(exec.Command("go", "build", "-o", path.Join("..", "debugtalk.bin"), "debugtalk.go"), pluginDir); err != nil {
+	if err := builtin.ExecCommand(exec.Command("go", "build", "-o", filepath.Join("..", "debugtalk.bin"), "debugtalk.go"), pluginDir); err != nil {
 		return err
 	}
 
@@ -136,8 +164,9 @@ func createPythonPlugin(projectName string) error {
 	log.Info().Msg("start to create hashicorp python plugin")
 
 	// create debugtalk.py
-	pluginFile := path.Join(projectName, "debugtalk.py")
-	if err := builtin.CreateFile(pluginFile, demoPyPlugin); err != nil {
+	pluginFile := filepath.Join(projectName, "debugtalk.py")
+	err := CopyFile("templates/plugin/debugtalk.py", pluginFile)
+	if err != nil {
 		return err
 	}
 
diff --git a/hrp/internal/scaffold/templates/env b/hrp/internal/scaffold/templates/env
new file mode 100644
index 00000000..9b5dc360
--- /dev/null
+++ b/hrp/internal/scaffold/templates/env
@@ -0,0 +1,2 @@
+USERNAME=debugtalk
+PASSWORD=123456
\ No newline at end of file
diff --git a/hrp/internal/scaffold/templates/gitignore b/hrp/internal/scaffold/templates/gitignore
new file mode 100644
index 00000000..33401380
--- /dev/null
+++ b/hrp/internal/scaffold/templates/gitignore
@@ -0,0 +1,15 @@
+.env
+reports/
+*.so
+.vscode/
+.idea/
+.DS_Store
+output/
+__pycache__/
+*.pyc
+.python-version
+logs/
+
+# plugin
+debugtalk.bin
+debugtalk.so
diff --git a/hrp/internal/scaffold/templates/plugin/debugtalk.go b/hrp/internal/scaffold/templates/plugin/debugtalk.go
new file mode 100644
index 00000000..f99a1321
--- /dev/null
+++ b/hrp/internal/scaffold/templates/plugin/debugtalk.go
@@ -0,0 +1,57 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/httprunner/funplugin/fungo"
+)
+
+func SumTwoInt(a, b int) int {
+	return a + b
+}
+
+func SumInts(args ...int) int {
+	var sum int
+	for _, arg := range args {
+		sum += arg
+	}
+	return sum
+}
+
+func Sum(args ...interface{}) (interface{}, error) {
+	var sum float64
+	for _, arg := range args {
+		switch v := arg.(type) {
+		case int:
+			sum += float64(v)
+		case float64:
+			sum += v
+		default:
+			return nil, fmt.Errorf("unexpected type: %T", arg)
+		}
+	}
+	return sum, nil
+}
+
+func SetupHookExample(args string) string {
+	return fmt.Sprintf("step name: %v, setup...", args)
+}
+
+func TeardownHookExample(args string) string {
+	return fmt.Sprintf("step name: %v, teardown...", args)
+}
+
+func GetVersion() string {
+	return "v4.0.0-alpha"
+}
+
+func main() {
+	fungo.Register("get_httprunner_version", GetVersion)
+	fungo.Register("sum_ints", SumInts)
+	fungo.Register("sum_two_int", SumTwoInt)
+	fungo.Register("sum_two", SumTwoInt)
+	fungo.Register("sum", Sum)
+	fungo.Register("setup_hook_example", SetupHookExample)
+	fungo.Register("teardown_hook_example", TeardownHookExample)
+	fungo.Serve()
+}
diff --git a/examples/hrp/debugtalk.py b/hrp/internal/scaffold/templates/plugin/debugtalk.py
similarity index 84%
rename from examples/hrp/debugtalk.py
rename to hrp/internal/scaffold/templates/plugin/debugtalk.py
index 3d2bb5ff..743e7f62 100644
--- a/examples/hrp/debugtalk.py
+++ b/hrp/internal/scaffold/templates/plugin/debugtalk.py
@@ -1,53 +1,71 @@
 import logging
+import time
 from typing import List
 
 import funppy
 
 
+def get_httprunner_version():
+    return "v4.0.0-alpha"
+
+
+def sleep(n_secs):
+    time.sleep(n_secs)
+
+
 def sum(*args):
     result = 0
     for arg in args:
         result += arg
     return result
 
+
 def sum_ints(*args: List[int]) -> int:
     result = 0
     for arg in args:
         result += arg
     return result
 
+
 def sum_two_int(a: int, b: int) -> int:
     return a + b
 
+
 def sum_two_string(a: str, b: str) -> str:
     return a + b
 
+
 def sum_strings(*args: List[str]) -> str:
     result = ""
     for arg in args:
         result += arg
     return result
 
+
 def concatenate(*args: List[str]) -> str:
     result = ""
     for arg in args:
         result += str(arg)
     return result
 
+
 def setup_hook_example(name):
     logging.warning("setup_hook_example")
     return f"setup_hook_example: {name}"
 
+
 def teardown_hook_example(name):
     logging.warning("teardown_hook_example")
     return f"teardown_hook_example: {name}"
 
 
 if __name__ == '__main__':
+    funppy.register("get_httprunner_version", get_httprunner_version)
     funppy.register("sum", sum)
     funppy.register("sum_ints", sum_ints)
     funppy.register("concatenate", concatenate)
     funppy.register("sum_two_int", sum_two_int)
+    funppy.register("sum_two", sum_two_int)
     funppy.register("sum_two_string", sum_two_string)
     funppy.register("sum_strings", sum_strings)
     funppy.register("setup_hook_example", setup_hook_example)
diff --git a/hrp/internal/scaffold/templates/testcases/__init__.py b/hrp/internal/scaffold/templates/testcases/__init__.py
new file mode 100644
index 00000000..70cfba53
--- /dev/null
+++ b/hrp/internal/scaffold/templates/testcases/__init__.py
@@ -0,0 +1 @@
+# NOTICE: Generated By HttpRunner. DO NOT EDIT!
diff --git a/hrp/internal/scaffold/templates/testcases/demo_ref_testcase.yml b/hrp/internal/scaffold/templates/testcases/demo_ref_testcase.yml
new file mode 100644
index 00000000..7c9bcd19
--- /dev/null
+++ b/hrp/internal/scaffold/templates/testcases/demo_ref_testcase.yml
@@ -0,0 +1,33 @@
+config:
+    name: "request methods testcase: reference testcase"
+    variables:
+        foo1: testsuite_config_bar1
+        expect_foo1: testsuite_config_bar1
+        expect_foo2: config_bar2
+    base_url: "https://postman-echo.com"
+    verify: False
+
+teststeps:
+-
+    name: request with functions
+    variables:
+        foo1: testcase_ref_bar1
+        expect_foo1: testcase_ref_bar1
+    testcase: testcases/demo_requests.yml
+    export:
+        - foo3
+-
+    name: post form data
+    variables:
+        foo1: bar1
+    request:
+        method: POST
+        url: /post
+        headers:
+            User-Agent: HttpRunner/${get_httprunner_version()}
+            Content-Type: "application/x-www-form-urlencoded"
+        data: "foo1=$foo1&foo2=$foo3"
+    validate:
+        - eq: ["status_code", 200]
+        - eq: ["body.form.foo1", "bar1"]
+        - eq: ["body.form.foo2", "bar21"]
diff --git a/hrp/internal/scaffold/templates/testcases/demo_ref_testcase_test.py b/hrp/internal/scaffold/templates/testcases/demo_ref_testcase_test.py
new file mode 100644
index 00000000..e8707a57
--- /dev/null
+++ b/hrp/internal/scaffold/templates/testcases/demo_ref_testcase_test.py
@@ -0,0 +1,60 @@
+# NOTE: Generated By HttpRunner v4.0.0-alpha
+# FROM: testcases/demo_ref_testcase.yml
+
+
+import sys
+from pathlib import Path
+
+sys.path.insert(0, str(Path(__file__).parent.parent))
+
+
+from httprunner import HttpRunner, Config, Step, RunRequest, RunTestCase
+
+from testcases.demo_requests_test import TestCaseDemoRequests as DemoRequests
+
+
+class TestCaseDemoRefTestcase(HttpRunner):
+
+    config = (
+        Config("request methods testcase: reference testcase")
+        .variables(
+            **{
+                "foo1": "testsuite_config_bar1",
+                "expect_foo1": "testsuite_config_bar1",
+                "expect_foo2": "config_bar2",
+            }
+        )
+        .base_url("https://postman-echo.com")
+        .verify(False)
+    )
+
+    teststeps = [
+        Step(
+            RunTestCase("request with functions")
+            .with_variables(
+                **{"foo1": "testcase_ref_bar1", "expect_foo1": "testcase_ref_bar1"}
+            )
+            .call(DemoRequests)
+            .export(*["foo3"])
+        ),
+        Step(
+            RunRequest("post form data")
+            .with_variables(**{"foo1": "bar1"})
+            .post("/post")
+            .with_headers(
+                **{
+                    "User-Agent": "HttpRunner/${get_httprunner_version()}",
+                    "Content-Type": "application/x-www-form-urlencoded",
+                }
+            )
+            .with_data("foo1=$foo1&foo2=$foo3")
+            .validate()
+            .assert_equal("status_code", 200)
+            .assert_equal("body.form.foo1", "bar1")
+            .assert_equal("body.form.foo2", "bar21")
+        ),
+    ]
+
+
+if __name__ == "__main__":
+    TestCaseDemoRefTestcase().test_start()
diff --git a/hrp/internal/scaffold/templates/testcases/demo_requests.yml b/hrp/internal/scaffold/templates/testcases/demo_requests.yml
new file mode 100644
index 00000000..7c8be928
--- /dev/null
+++ b/hrp/internal/scaffold/templates/testcases/demo_requests.yml
@@ -0,0 +1,65 @@
+config:
+    name: "request methods testcase with functions"
+    variables:
+        foo1: config_bar1
+        foo2: config_bar2
+        expect_foo1: config_bar1
+        expect_foo2: config_bar2
+    base_url: "https://postman-echo.com"
+    verify: False
+    export: ["foo3"]
+
+teststeps:
+-
+    name: get with params
+    variables:
+        foo1: bar11
+        foo2: bar21
+        sum_v: "${sum_two(1, 2)}"
+    request:
+        method: GET
+        url: /get
+        params:
+            foo1: $foo1
+            foo2: $foo2
+            sum_v: $sum_v
+        headers:
+            User-Agent: HttpRunner/${get_httprunner_version()}
+    extract:
+        foo3: "body.args.foo2"
+    validate:
+        - eq: ["status_code", 200]
+        - eq: ["body.args.foo1", "bar11"]
+        - eq: ["body.args.sum_v", "3"]
+        - eq: ["body.args.foo2", "bar21"]
+-
+    name: post raw text
+    variables:
+        foo1: "bar12"
+        foo3: "bar32"
+    request:
+        method: POST
+        url: /post
+        headers:
+            User-Agent: HttpRunner/${get_httprunner_version()}
+            Content-Type: "text/plain"
+        data: "This is expected to be sent back as part of response body: $foo1-$foo2-$foo3."
+    validate:
+        - eq: ["status_code", 200]
+        - eq: ["body.data", "This is expected to be sent back as part of response body: bar12-$expect_foo2-bar32."]
+-
+    name: post form data
+    variables:
+        foo2: bar23
+    request:
+        method: POST
+        url: /post
+        headers:
+            User-Agent: HttpRunner/${get_httprunner_version()}
+            Content-Type: "application/x-www-form-urlencoded"
+        data: "foo1=$foo1&foo2=$foo2&foo3=$foo3"
+    validate:
+        - eq: ["status_code", 200]
+        - eq: ["body.form.foo1", "$expect_foo1"]
+        - eq: ["body.form.foo2", "bar23"]
+        - eq: ["body.form.foo3", "bar21"]
diff --git a/hrp/internal/scaffold/templates/testcases/demo_requests_test.py b/hrp/internal/scaffold/templates/testcases/demo_requests_test.py
new file mode 100644
index 00000000..526961e3
--- /dev/null
+++ b/hrp/internal/scaffold/templates/testcases/demo_requests_test.py
@@ -0,0 +1,83 @@
+# NOTE: Generated By HttpRunner v4.0.0-alpha
+# FROM: testcases/demo_requests.yml
+
+
+from httprunner import HttpRunner, Config, Step, RunRequest, RunTestCase
+
+
+class TestCaseDemoRequests(HttpRunner):
+
+    config = (
+        Config("request methods testcase with functions")
+        .variables(
+            **{
+                "foo1": "config_bar1",
+                "foo2": "config_bar2",
+                "expect_foo1": "config_bar1",
+                "expect_foo2": "config_bar2",
+            }
+        )
+        .base_url("https://postman-echo.com")
+        .verify(False)
+        .export(*["foo3"])
+    )
+
+    teststeps = [
+        Step(
+            RunRequest("get with params")
+            .with_variables(
+                **{"foo1": "bar11", "foo2": "bar21", "sum_v": "${sum_two(1, 2)}"}
+            )
+            .get("/get")
+            .with_params(**{"foo1": "$foo1", "foo2": "$foo2", "sum_v": "$sum_v"})
+            .with_headers(**{"User-Agent": "HttpRunner/${get_httprunner_version()}"})
+            .extract()
+            .with_jmespath("body.args.foo2", "foo3")
+            .validate()
+            .assert_equal("status_code", 200)
+            .assert_equal("body.args.foo1", "bar11")
+            .assert_equal("body.args.sum_v", "3")
+            .assert_equal("body.args.foo2", "bar21")
+        ),
+        Step(
+            RunRequest("post raw text")
+            .with_variables(**{"foo1": "bar12", "foo3": "bar32"})
+            .post("/post")
+            .with_headers(
+                **{
+                    "User-Agent": "HttpRunner/${get_httprunner_version()}",
+                    "Content-Type": "text/plain",
+                }
+            )
+            .with_data(
+                "This is expected to be sent back as part of response body: $foo1-$foo2-$foo3."
+            )
+            .validate()
+            .assert_equal("status_code", 200)
+            .assert_equal(
+                "body.data",
+                "This is expected to be sent back as part of response body: bar12-$expect_foo2-bar32.",
+            )
+        ),
+        Step(
+            RunRequest("post form data")
+            .with_variables(**{"foo2": "bar23"})
+            .post("/post")
+            .with_headers(
+                **{
+                    "User-Agent": "HttpRunner/${get_httprunner_version()}",
+                    "Content-Type": "application/x-www-form-urlencoded",
+                }
+            )
+            .with_data("foo1=$foo1&foo2=$foo2&foo3=$foo3")
+            .validate()
+            .assert_equal("status_code", 200)
+            .assert_equal("body.form.foo1", "$expect_foo1")
+            .assert_equal("body.form.foo2", "bar23")
+            .assert_equal("body.form.foo3", "bar21")
+        ),
+    ]
+
+
+if __name__ == "__main__":
+    TestCaseDemoRequests().test_start()
diff --git a/examples/hrp/demo.json b/hrp/internal/scaffold/templates/testcases/demo_with_funplugin.json
similarity index 100%
rename from examples/hrp/demo.json
rename to hrp/internal/scaffold/templates/testcases/demo_with_funplugin.json
diff --git a/examples/hrp/demo.yaml b/hrp/internal/scaffold/templates/testcases/demo_with_funplugin.yaml
similarity index 100%
rename from examples/hrp/demo.yaml
rename to hrp/internal/scaffold/templates/testcases/demo_with_funplugin.yaml
diff --git a/hrp/internal/scaffold/templates/testcases/demo_without_funplugin.json b/hrp/internal/scaffold/templates/testcases/demo_without_funplugin.json
new file mode 100644
index 00000000..29f311bc
--- /dev/null
+++ b/hrp/internal/scaffold/templates/testcases/demo_without_funplugin.json
@@ -0,0 +1,170 @@
+{
+    "config": {
+        "name": "demo without custom function plugin",
+        "base_url": "https://postman-echo.com",
+        "variables": {
+            "a": 12.3,
+            "b": 3.45,
+            "n": 5,
+            "varFoo1": "${gen_random_string($n)}",
+            "varFoo2": "${max($a, $b)}"
+        }
+    },
+    "teststeps": [
+        {
+            "name": "transaction 1 start",
+            "transaction": {
+                "name": "tran1",
+                "type": "start"
+            }
+        },
+        {
+            "name": "get with params",
+            "request": {
+                "method": "GET",
+                "url": "/get",
+                "params": {
+                    "foo1": "$varFoo1",
+                    "foo2": "$varFoo2"
+                },
+                "headers": {
+                    "User-Agent": "HttpRunnerPlus"
+                }
+            },
+            "variables": {
+                "b": 34.5,
+                "n": 3,
+                "name": "get with params",
+                "varFoo2": "${max($a, $b)}"
+            },
+            "extract": {
+                "varFoo1": "body.args.foo1"
+            },
+            "validate": [
+                {
+                    "check": "status_code",
+                    "assert": "equals",
+                    "expect": 200,
+                    "msg": "check response status code"
+                },
+                {
+                    "check": "headers.\"Content-Type\"",
+                    "assert": "startswith",
+                    "expect": "application/json"
+                },
+                {
+                    "check": "body.args.foo1",
+                    "assert": "length_equals",
+                    "expect": 5,
+                    "msg": "check args foo1"
+                },
+                {
+                    "check": "$varFoo1",
+                    "assert": "length_equals",
+                    "expect": 5,
+                    "msg": "check args foo1"
+                },
+                {
+                    "check": "body.args.foo2",
+                    "assert": "equals",
+                    "expect": "34.5",
+                    "msg": "check args foo2"
+                }
+            ]
+        },
+        {
+            "name": "transaction 1 end",
+            "transaction": {
+                "name": "tran1",
+                "type": "end"
+            }
+        },
+        {
+            "name": "post json data",
+            "request": {
+                "method": "POST",
+                "url": "/post",
+                "body": {
+                    "foo1": "$varFoo1",
+                    "foo2": "${max($a, $b)}"
+                }
+            },
+            "validate": [
+                {
+                    "check": "status_code",
+                    "assert": "equals",
+                    "expect": 200,
+                    "msg": "check status code"
+                },
+                {
+                    "check": "body.json.foo1",
+                    "assert": "length_equals",
+                    "expect": 5,
+                    "msg": "check args foo1"
+                },
+                {
+                    "check": "body.json.foo2",
+                    "assert": "equals",
+                    "expect": 12.3,
+                    "msg": "check args foo2"
+                }
+            ]
+        },
+        {
+            "name": "post form data",
+            "request": {
+                "method": "POST",
+                "url": "/post",
+                "headers": {
+                    "Content-Type": "application/x-www-form-urlencoded; charset=UTF-8"
+                },
+                "body": {
+                    "foo1": "$varFoo1",
+                    "foo2": "${max($a, $b)}",
+                    "time": "${get_timestamp()}"
+                }
+            },
+            "extract": {
+                "varTime": "body.form.time"
+            },
+            "validate": [
+                {
+                    "check": "status_code",
+                    "assert": "equals",
+                    "expect": 200,
+                    "msg": "check status code"
+                },
+                {
+                    "check": "body.form.foo1",
+                    "assert": "length_equals",
+                    "expect": 5,
+                    "msg": "check args foo1"
+                },
+                {
+                    "check": "body.form.foo2",
+                    "assert": "equals",
+                    "expect": "12.3",
+                    "msg": "check args foo2"
+                }
+            ]
+        },
+        {
+            "name": "get with timestamp",
+            "request": {
+                "method": "GET",
+                "url": "/get",
+                "params": {
+                    "time": "$varTime"
+                }
+            },
+            "validate": [
+                {
+                    "check": "body.args.time",
+                    "assert": "length_equals",
+                    "expect": 13,
+                    "msg": "check extracted var timestamp"
+                }
+            ]
+        }
+    ]
+}
\ No newline at end of file
diff --git a/hrp/internal/scaffold/templates/testcases/demo_without_funplugin.yaml b/hrp/internal/scaffold/templates/testcases/demo_without_funplugin.yaml
new file mode 100644
index 00000000..b276c271
--- /dev/null
+++ b/hrp/internal/scaffold/templates/testcases/demo_without_funplugin.yaml
@@ -0,0 +1,110 @@
+config:
+    name: demo without custom function plugin
+    base_url: https://postman-echo.com
+    variables:
+        a: 12.3
+        b: 3.45
+        "n": 5
+        varFoo1: ${gen_random_string($n)}
+        varFoo2: ${max($a, $b)}
+teststeps:
+    - name: transaction 1 start
+      transaction:
+        name: tran1
+        type: start
+    - name: get with params
+      request:
+        method: GET
+        url: /get
+        params:
+            foo1: $varFoo1
+            foo2: $varFoo2
+        headers:
+            User-Agent: HttpRunnerPlus
+      variables:
+        b: 34.5
+        "n": 3
+        name: get with params
+        varFoo2: ${max($a, $b)}
+      extract:
+        varFoo1: body.args.foo1
+      validate:
+        - check: status_code
+          assert: equals
+          expect: 200
+          msg: check response status code
+        - check: headers."Content-Type"
+          assert: startswith
+          expect: application/json
+        - check: body.args.foo1
+          assert: length_equals
+          expect: 5
+          msg: check args foo1
+        - check: $varFoo1
+          assert: length_equals
+          expect: 5
+          msg: check args foo1
+        - check: body.args.foo2
+          assert: equals
+          expect: "34.5"
+          msg: check args foo2
+    - name: transaction 1 end
+      transaction:
+        name: tran1
+        type: end
+    - name: post json data
+      request:
+        method: POST
+        url: /post
+        body:
+            foo1: $varFoo1
+            foo2: ${max($a, $b)}
+      validate:
+        - check: status_code
+          assert: equals
+          expect: 200
+          msg: check status code
+        - check: body.json.foo1
+          assert: length_equals
+          expect: 5
+          msg: check args foo1
+        - check: body.json.foo2
+          assert: equals
+          expect: 12.3
+          msg: check args foo2
+    - name: post form data
+      request:
+        method: POST
+        url: /post
+        headers:
+            Content-Type: application/x-www-form-urlencoded; charset=UTF-8
+        body:
+            foo1: $varFoo1
+            foo2: ${max($a, $b)}
+            time: ${get_timestamp()}
+      extract:
+        varTime: body.form.time
+      validate:
+        - check: status_code
+          assert: equals
+          expect: 200
+          msg: check status code
+        - check: body.form.foo1
+          assert: length_equals
+          expect: 5
+          msg: check args foo1
+        - check: body.form.foo2
+          assert: equals
+          expect: "12.3"
+          msg: check args foo2
+    - name: get with timestamp
+      request:
+        method: GET
+        url: /get
+        params:
+            time: $varTime
+      validate:
+        - check: body.args.time
+          assert: length_equals
+          expect: 13
+          msg: check extracted var timestamp
diff --git a/hrp/plugin_test.go b/hrp/plugin_test.go
index 2016ef5b..612e40ae 100644
--- a/hrp/plugin_test.go
+++ b/hrp/plugin_test.go
@@ -8,32 +8,24 @@ import (
 
 func TestLocateFile(t *testing.T) {
 	// specify target file path
-	_, err := locateFile("../examples/hrp/plugin/debugtalk.go", "debugtalk.go")
+	_, err := locateFile(templatesDir+"plugin/debugtalk.go", "debugtalk.go")
 	if !assert.Nil(t, err) {
 		t.Fail()
 	}
 
 	// specify path with the same dir
-	_, err = locateFile("../examples/hrp/plugin/hashicorp.go", "debugtalk.go")
+	_, err = locateFile(templatesDir+"plugin/debugtalk.py", "debugtalk.go")
 	if !assert.Nil(t, err) {
 		t.Fail()
 	}
 
 	// specify target file path dir
-	_, err = locateFile("../examples/hrp/plugin/", "debugtalk.go")
+	_, err = locateFile(templatesDir+"plugin/", "debugtalk.go")
 	if !assert.Nil(t, err) {
 		t.Fail()
 	}
 
 	// specify wrong path
-	_, err = locateFile("../examples/hrp", "debugtalk.go")
-	if !assert.Error(t, err) {
-		t.Fail()
-	}
-	_, err = locateFile("../examples/hrp/demo.json", "debugtalk.go")
-	if !assert.Error(t, err) {
-		t.Fail()
-	}
 	_, err = locateFile(".", "debugtalk.go")
 	if !assert.Error(t, err) {
 		t.Fail()
@@ -45,17 +37,17 @@ func TestLocateFile(t *testing.T) {
 }
 
 func TestLocatePythonPlugin(t *testing.T) {
-	_, err := locatePlugin("../examples/hrp/debugtalk.py")
+	_, err := locatePlugin(templatesDir + "plugin/debugtalk.py")
 	if !assert.Nil(t, err) {
 		t.Fail()
 	}
 }
 
 func TestLocateGoPlugin(t *testing.T) {
-	buildHashicorpPlugin()
-	defer removeHashicorpPlugin()
+	buildHashicorpGoPlugin()
+	defer removeHashicorpGoPlugin()
 
-	_, err := locatePlugin("../examples/hrp/debugtalk.bin")
+	_, err := locatePlugin(templatesDir + "debugtalk.bin")
 	if !assert.Nil(t, err) {
 		t.Fail()
 	}
diff --git a/hrp/runner_test.go b/hrp/runner_test.go
index d6945425..b753ebf9 100644
--- a/hrp/runner_test.go
+++ b/hrp/runner_test.go
@@ -8,31 +8,49 @@ import (
 	"time"
 
 	"github.com/rs/zerolog/log"
+
+	"github.com/httprunner/httprunner/hrp/internal/scaffold"
 )
 
-func buildHashicorpPlugin() {
+func buildHashicorpGoPlugin() {
 	log.Info().Msg("[init] build hashicorp go plugin")
 	cmd := exec.Command("go", "build",
-		"-o", "../examples/hrp/debugtalk.bin",
-		"../examples/hrp/plugin/hashicorp.go", "../examples/hrp/plugin/debugtalk.go")
+		"-o", templatesDir+"debugtalk.bin", templatesDir+"plugin/debugtalk.go")
 	if err := cmd.Run(); err != nil {
 		panic(err)
 	}
 }
 
-func removeHashicorpPlugin() {
-	log.Info().Msg("[teardown] remove hashicorp plugin")
-	os.Remove("../examples/hrp/debugtalk.bin")
+func removeHashicorpGoPlugin() {
+	log.Info().Msg("[teardown] remove hashicorp go plugin")
+	os.Remove(templatesDir + "debugtalk.bin")
+}
+
+func buildHashicorpPyPlugin() {
+	log.Info().Msg("[init] prepare hashicorp python plugin")
+	pluginFile := templatesDir + "debugtalk.py"
+	err := scaffold.CopyFile("templates/plugin/debugtalk.py", pluginFile)
+	if err != nil {
+		panic(err)
+	}
+}
+
+func removeHashicorpPyPlugin() {
+	log.Info().Msg("[teardown] remove hashicorp python plugin")
+	os.Remove(templatesDir + "debugtalk.py")
 }
 
 func TestHttpRunnerWithGoPlugin(t *testing.T) {
-	buildHashicorpPlugin()
-	defer removeHashicorpPlugin()
+	buildHashicorpGoPlugin()
+	defer removeHashicorpGoPlugin()
 
 	assertRunTestCases(t)
 }
 
 func TestHttpRunnerWithPythonPlugin(t *testing.T) {
+	buildHashicorpPyPlugin()
+	defer removeHashicorpPyPlugin()
+
 	assertRunTestCases(t)
 }
 
@@ -64,7 +82,7 @@ func assertRunTestCases(t *testing.T) {
 				},
 			),
 			NewStep("TestCase4").CallRefCase(&demoRefAPIYAMLPath),
-			NewStep("TestCase5").CallRefCase(&demoTestCaseJSONPath),
+			NewStep("TestCase5").CallRefCase(&demoTestCaseWithPluginJSONPath),
 		},
 	}
 	testcase2 := &TestCase{
@@ -153,8 +171,8 @@ func TestInitRendezvous(t *testing.T) {
 }
 
 func TestThinkTime(t *testing.T) {
-	buildHashicorpPlugin()
-	defer removeHashicorpPlugin()
+	buildHashicorpGoPlugin()
+	defer removeHashicorpGoPlugin()
 
 	testcases := []*TestCase{
 		{
diff --git a/httprunner/cli.py b/httprunner/cli.py
index 033312c3..d015313e 100644
--- a/httprunner/cli.py
+++ b/httprunner/cli.py
@@ -9,7 +9,6 @@ from loguru import logger
 from httprunner import __description__, __version__
 from httprunner.compat import ensure_cli_args
 from httprunner.make import init_make_parser, main_make
-from httprunner.scaffold import init_parser_scaffold, main_scaffold
 from httprunner.utils import ga_client, init_sentry_sdk
 
 init_sentry_sdk()
@@ -65,7 +64,6 @@ def main():
 
     subparsers = parser.add_subparsers(help="sub-command help")
     sub_parser_run = init_parser_run(subparsers)
-    sub_parser_scaffold = init_parser_scaffold(subparsers)
     sub_parser_make = init_make_parser(subparsers)
 
     if len(sys.argv) == 1:
@@ -80,9 +78,6 @@ def main():
         elif sys.argv[1] in ["-h", "--help"]:
             # httprunner -h
             parser.print_help()
-        elif sys.argv[1] == "startproject":
-            # httprunner startproject
-            sub_parser_scaffold.print_help()
         elif sys.argv[1] == "run":
             # httprunner run
             pytest.main(["-h"])
@@ -109,8 +104,6 @@ def main():
 
     if sys.argv[1] == "run":
         sys.exit(main_run(extra_args))
-    elif sys.argv[1] == "startproject":
-        main_scaffold(args)
     elif sys.argv[1] == "make":
         main_make(args.testcase_path)
 
diff --git a/httprunner/scaffold.py b/httprunner/scaffold.py
deleted file mode 100644
index 282bfb08..00000000
--- a/httprunner/scaffold.py
+++ /dev/null
@@ -1,204 +0,0 @@
-import os.path
-import subprocess
-import sys
-
-from loguru import logger
-
-from httprunner.utils import ga_client
-
-
-def init_parser_scaffold(subparsers):
-    sub_parser_scaffold = subparsers.add_parser(
-        "startproject", help="Create a new project with template structure."
-    )
-    sub_parser_scaffold.add_argument(
-        "project_name", type=str, nargs="?", help="Specify new project name."
-    )
-    return sub_parser_scaffold
-
-
-def create_scaffold(project_name):
-    """ create scaffold with specified project name.
-    """
-
-    def show_tree(prj_name):
-        try:
-            print(f"\n$ tree {prj_name} -a")
-            subprocess.run(["tree", prj_name, "-a"])
-            print("")
-        except FileNotFoundError:
-            logger.warning("tree command not exists, ignore.")
-
-    if os.path.isdir(project_name):
-        logger.warning(
-            f"Project folder {project_name} exists, please specify a new project name."
-        )
-        show_tree(project_name)
-        return 1
-    elif os.path.isfile(project_name):
-        logger.warning(
-            f"Project name {project_name} conflicts with existed file, please specify a new one."
-        )
-        return 1
-
-    logger.info(f"Create new project: {project_name}")
-    print(f"Project Root Dir: {os.path.join(os.getcwd(), project_name)}\n")
-
-    def create_folder(path):
-        os.makedirs(path)
-        msg = f"created folder: {path}"
-        print(msg)
-
-    def create_file(path, file_content=""):
-        with open(path, "w", encoding="utf-8") as f:
-            f.write(file_content)
-        msg = f"created file: {path}"
-        print(msg)
-
-    demo_testcase_request_content = """
-config:
-    name: "request methods testcase with functions"
-    variables:
-        foo1: config_bar1
-        foo2: config_bar2
-        expect_foo1: config_bar1
-        expect_foo2: config_bar2
-    base_url: "https://postman-echo.com"
-    verify: False
-    export: ["foo3"]
-
-teststeps:
--
-    name: get with params
-    variables:
-        foo1: bar11
-        foo2: bar21
-        sum_v: "${sum_two(1, 2)}"
-    request:
-        method: GET
-        url: /get
-        params:
-            foo1: $foo1
-            foo2: $foo2
-            sum_v: $sum_v
-        headers:
-            User-Agent: HttpRunner/${get_httprunner_version()}
-    extract:
-        foo3: "body.args.foo2"
-    validate:
-        - eq: ["status_code", 200]
-        - eq: ["body.args.foo1", "bar11"]
-        - eq: ["body.args.sum_v", "3"]
-        - eq: ["body.args.foo2", "bar21"]
--
-    name: post raw text
-    variables:
-        foo1: "bar12"
-        foo3: "bar32"
-    request:
-        method: POST
-        url: /post
-        headers:
-            User-Agent: HttpRunner/${get_httprunner_version()}
-            Content-Type: "text/plain"
-        data: "This is expected to be sent back as part of response body: $foo1-$foo2-$foo3."
-    validate:
-        - eq: ["status_code", 200]
-        - eq: ["body.data", "This is expected to be sent back as part of response body: bar12-$expect_foo2-bar32."]
--
-    name: post form data
-    variables:
-        foo2: bar23
-    request:
-        method: POST
-        url: /post
-        headers:
-            User-Agent: HttpRunner/${get_httprunner_version()}
-            Content-Type: "application/x-www-form-urlencoded"
-        data: "foo1=$foo1&foo2=$foo2&foo3=$foo3"
-    validate:
-        - eq: ["status_code", 200]
-        - eq: ["body.form.foo1", "$expect_foo1"]
-        - eq: ["body.form.foo2", "bar23"]
-        - eq: ["body.form.foo3", "bar21"]
-"""
-    demo_testcase_with_ref_content = """
-config:
-    name: "request methods testcase: reference testcase"
-    variables:
-        foo1: testsuite_config_bar1
-        expect_foo1: testsuite_config_bar1
-        expect_foo2: config_bar2
-    base_url: "https://postman-echo.com"
-    verify: False
-
-teststeps:
--
-    name: request with functions
-    variables:
-        foo1: testcase_ref_bar1
-        expect_foo1: testcase_ref_bar1
-    testcase: testcases/demo_testcase_request.yml
-    export:
-        - foo3
--
-    name: post form data
-    variables:
-        foo1: bar1
-    request:
-        method: POST
-        url: /post
-        headers:
-            User-Agent: HttpRunner/${get_httprunner_version()}
-            Content-Type: "application/x-www-form-urlencoded"
-        data: "foo1=$foo1&foo2=$foo3"
-    validate:
-        - eq: ["status_code", 200]
-        - eq: ["body.form.foo1", "bar1"]
-        - eq: ["body.form.foo2", "bar21"]
-"""
-    ignore_content = "\n".join(
-        [".env", "reports/*", "__pycache__/*", "*.pyc", ".python-version", "logs/*"]
-    )
-    demo_debugtalk_content = """import time
-
-from httprunner import __version__
-
-
-def get_httprunner_version():
-    return __version__
-
-
-def sum_two(m, n):
-    return m + n
-
-
-def sleep(n_secs):
-    time.sleep(n_secs)
-"""
-    demo_env_content = "\n".join(["USERNAME=leolee", "PASSWORD=123456"])
-
-    create_folder(project_name)
-    create_folder(os.path.join(project_name, "har"))
-    create_folder(os.path.join(project_name, "testcases"))
-    create_folder(os.path.join(project_name, "reports"))
-
-    create_file(
-        os.path.join(project_name, "testcases", "demo_testcase_request.yml"),
-        demo_testcase_request_content,
-    )
-    create_file(
-        os.path.join(project_name, "testcases", "demo_testcase_ref.yml"),
-        demo_testcase_with_ref_content,
-    )
-    create_file(os.path.join(project_name, "debugtalk.py"), demo_debugtalk_content)
-    create_file(os.path.join(project_name, ".env"), demo_env_content)
-    create_file(os.path.join(project_name, ".gitignore"), ignore_content)
-
-    show_tree(project_name)
-    return 0
-
-
-def main_scaffold(args):
-    ga_client.track_event("Scaffold", "startproject")
-    sys.exit(create_scaffold(args.project_name))
diff --git a/httprunner/scaffold_test.py b/httprunner/scaffold_test.py
deleted file mode 100644
index fbb2ed64..00000000
--- a/httprunner/scaffold_test.py
+++ /dev/null
@@ -1,29 +0,0 @@
-import os
-import shutil
-import subprocess
-import unittest
-import platform
-
-from httprunner.scaffold import create_scaffold
-
-
-class TestScaffold(unittest.TestCase):
-    def test_create_scaffold(self):
-        project_name = "projectABC"
-        create_scaffold(project_name)
-        self.assertTrue(os.path.isdir(os.path.join(project_name, "har")))
-        self.assertTrue(os.path.isdir(os.path.join(project_name, "testcases")))
-        self.assertTrue(os.path.isdir(os.path.join(project_name, "reports")))
-        self.assertTrue(os.path.isfile(os.path.join(project_name, "debugtalk.py")))
-        self.assertTrue(os.path.isfile(os.path.join(project_name, ".env")))
-
-        # run demo testcases
-        try:
-            if platform.system() == "Windows":
-                subprocess.check_call(["hrun", project_name], shell=True)
-            else:
-                subprocess.check_call(["hrun", project_name])
-        except subprocess.SubprocessError:
-            raise
-        finally:
-            shutil.rmtree(project_name)