diff --git a/convert.go b/convert.go
index b38f49ff..c8e12217 100644
--- a/convert.go
+++ b/convert.go
@@ -5,9 +5,9 @@ import (
 	"encoding/json"
 	"fmt"
 	"io/ioutil"
-	"log"
 	"path/filepath"
 
+	log "github.com/sirupsen/logrus"
 	"gopkg.in/yaml.v3"
 )
 
@@ -24,14 +24,14 @@ func (tc *TestCase) ToTCase() (*TCase, error) {
 func (tc *TCase) Dump2JSON(path string) error {
 	path, err := filepath.Abs(path)
 	if err != nil {
-		log.Printf("convert absolute path error: %v, path: %v", err, path)
+		log.Errorf("convert absolute path error: %v, path: %v", err, path)
 		return err
 	}
-	log.Printf("dump testcase to json path: %s", path)
+	log.Infof("dump testcase to json path: %s", path)
 	file, _ := json.MarshalIndent(tc, "", "    ")
 	err = ioutil.WriteFile(path, file, 0644)
 	if err != nil {
-		log.Printf("dump json path error: %v", err)
+		log.Errorf("dump json path error: %v", err)
 		return err
 	}
 	return nil
@@ -40,10 +40,10 @@ func (tc *TCase) Dump2JSON(path string) error {
 func (tc *TCase) Dump2YAML(path string) error {
 	path, err := filepath.Abs(path)
 	if err != nil {
-		log.Printf("convert absolute path error: %v, path: %v", err, path)
+		log.Errorf("convert absolute path error: %v, path: %v", err, path)
 		return err
 	}
-	log.Printf("dump testcase to yaml path: %s", path)
+	log.Infof("dump testcase to yaml path: %s", path)
 
 	// init yaml encoder
 	buffer := new(bytes.Buffer)
@@ -58,7 +58,7 @@ func (tc *TCase) Dump2YAML(path string) error {
 
 	err = ioutil.WriteFile(path, buffer.Bytes(), 0644)
 	if err != nil {
-		log.Printf("dump yaml path error: %v", err)
+		log.Errorf("dump yaml path error: %v", err)
 		return err
 	}
 	return nil
@@ -67,14 +67,14 @@ func (tc *TCase) Dump2YAML(path string) error {
 func loadFromJSON(path string) (*TCase, error) {
 	path, err := filepath.Abs(path)
 	if err != nil {
-		log.Printf("convert absolute path error: %v, path: %v", err, path)
+		log.Errorf("convert absolute path error: %v, path: %v", err, path)
 		return nil, err
 	}
-	log.Printf("load testcase from json path: %s", path)
+	log.Infof("load testcase from json path: %s", path)
 
 	file, err := ioutil.ReadFile(path)
 	if err != nil {
-		log.Printf("dump json path error: %v", err)
+		log.Errorf("dump json path error: %v", err)
 		return nil, err
 	}
 
@@ -88,14 +88,14 @@ func loadFromJSON(path string) (*TCase, error) {
 func loadFromYAML(path string) (*TCase, error) {
 	path, err := filepath.Abs(path)
 	if err != nil {
-		log.Printf("convert absolute path error: %v, path: %v", err, path)
+		log.Errorf("convert absolute path error: %v, path: %v", err, path)
 		return nil, err
 	}
-	log.Printf("load testcase from yaml path: %s", path)
+	log.Infof("load testcase from yaml path: %s", path)
 
 	file, err := ioutil.ReadFile(path)
 	if err != nil {
-		log.Printf("dump yaml path error: %v", err)
+		log.Errorf("dump yaml path error: %v", err)
 		return nil, err
 	}
 
@@ -118,7 +118,7 @@ func (tc *TCase) ToTestCase() (*TestCase, error) {
 				step: step,
 			})
 		} else {
-			log.Printf("[convertTestCase] unexpected step: %+v", step)
+			log.Warnf("[convertTestCase] unexpected step: %+v", step)
 		}
 	}
 	return testCase, nil
diff --git a/docs/doc_test.go b/docs/doc_test.go
index 6dde9ac8..503b709b 100644
--- a/docs/doc_test.go
+++ b/docs/doc_test.go
@@ -1,7 +1,6 @@
 package cmd
 
 import (
-	"log"
 	"testing"
 
 	"github.com/spf13/cobra/doc"
@@ -13,6 +12,6 @@ import (
 func TestGenMarkdownTree(t *testing.T) {
 	err := doc.GenMarkdownTree(cmd.RootCmd, "./cmd/")
 	if err != nil {
-		log.Fatal(err)
+		t.Fatal(err)
 	}
 }
diff --git a/go.mod b/go.mod
index 18ba428d..c0957462 100644
--- a/go.mod
+++ b/go.mod
@@ -13,6 +13,7 @@ require (
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
 	github.com/pkg/errors v0.9.1
 	github.com/shirou/gopsutil v3.21.8+incompatible // indirect
+	github.com/sirupsen/logrus v1.8.1
 	github.com/spf13/cobra v1.2.1
 	github.com/stretchr/testify v1.7.0
 	github.com/tklauser/go-sysconf v0.3.9 // indirect
diff --git a/go.sum b/go.sum
index 05e632a4..8920bfd9 100644
--- a/go.sum
+++ b/go.sum
@@ -231,6 +231,8 @@ github.com/shirou/gopsutil v3.21.8+incompatible h1:sh0foI8tMRlCidUJR+KzqWYWxrkuu
 github.com/shirou/gopsutil v3.21.8+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
 github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
+github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
+github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
 github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
 github.com/spf13/afero v1.6.0/go.mod h1:Ai8FlHk4v/PARR026UzYexafAt9roJ7LcLMAmO6Z93I=
@@ -397,6 +399,7 @@ golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
diff --git a/har2case/core.go b/har2case/core.go
index fdd44847..22f4e805 100644
--- a/har2case/core.go
+++ b/har2case/core.go
@@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io/ioutil"
-	"log"
 	"net/url"
 	"os"
 	"path/filepath"
@@ -13,6 +12,7 @@ import (
 	"strings"
 
 	"github.com/pkg/errors"
+	log "github.com/sirupsen/logrus"
 
 	"github.com/httprunner/hrp"
 )
@@ -120,7 +120,7 @@ func (h *HAR) prepareTestSteps() ([]*hrp.TStep, error) {
 }
 
 func (h *HAR) prepareTestStep(entry *Entry) (*hrp.TStep, error) {
-	log.Printf("[prepareTestStep] %v %v", entry.Request.Method, entry.Request.URL)
+	log.Infof("[prepareTestStep] %v %v", entry.Request.Method, entry.Request.URL)
 	tStep := &TStep{
 		TStep: hrp.TStep{
 			Request:    &hrp.TRequest{},
@@ -164,7 +164,7 @@ func (s *TStep) makeRequestURL(entry *Entry) error {
 
 	u, err := url.Parse(entry.Request.URL)
 	if err != nil {
-		log.Printf("makeRequestURL error: %v", err)
+		log.Errorf("makeRequestURL error: %v", err)
 		return err
 	}
 	s.Request.URL = fmt.Sprintf("%s://%s", u.Scheme, u.Hostname()+u.Path)
@@ -211,7 +211,7 @@ func (s *TStep) makeRequestBody(entry *Entry) error {
 		var body interface{}
 		err := json.Unmarshal([]byte(entry.Request.PostData.Text), &body)
 		if err != nil {
-			log.Printf("makeRequestBody error: %v", err)
+			log.Errorf("makeRequestBody error: %v", err)
 			return err
 		}
 		s.Request.Body = body
diff --git a/har2case/core_test.go b/har2case/core_test.go
index b7b75eec..43118e58 100644
--- a/har2case/core_test.go
+++ b/har2case/core_test.go
@@ -1,7 +1,6 @@
 package har2case
 
 import (
-	"log"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -14,7 +13,6 @@ var (
 
 func TestGenJSON(t *testing.T) {
 	jsonPath, err := NewHAR(harPath).GenJSON()
-	log.Printf("jsonPath: %v, err: %v", jsonPath, err)
 	if !assert.NoError(t, err) {
 		t.Fail()
 	}
@@ -25,7 +23,6 @@ func TestGenJSON(t *testing.T) {
 
 func TestGenYAML(t *testing.T) {
 	yamlPath, err := NewHAR(harPath2).GenYAML()
-	log.Printf("yamlPath: %v, err: %v", yamlPath, err)
 	if !assert.NoError(t, err) {
 		t.Fail()
 	}
diff --git a/hrp/cmd/har2case.go b/hrp/cmd/har2case.go
index e079c73c..f4c1d8fe 100644
--- a/hrp/cmd/har2case.go
+++ b/hrp/cmd/har2case.go
@@ -1,8 +1,7 @@
 package cmd
 
 import (
-	"log"
-
+	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 
 	"github.com/httprunner/hrp/har2case"
@@ -38,7 +37,7 @@ var har2caseCmd = &cobra.Command{
 			}
 			outputFiles = append(outputFiles, outputPath)
 		}
-		log.Printf("output: %v", outputFiles)
+		log.Infof("output: %v", outputFiles)
 		return nil
 	},
 }
diff --git a/parser.go b/parser.go
index 59e6ac2e..a13f56f3 100644
--- a/parser.go
+++ b/parser.go
@@ -3,14 +3,15 @@ package hrp
 import (
 	"encoding/json"
 	"fmt"
-	"log"
 	"net/url"
 	"reflect"
 	"regexp"
 	"strings"
 
-	"github.com/httprunner/hrp/builtin"
 	"github.com/maja42/goval"
+	log "github.com/sirupsen/logrus"
+
+	"github.com/httprunner/hrp/builtin"
 )
 
 func parseStep(step IStep, config *TConfig) *TStep {
@@ -22,13 +23,13 @@ func parseStep(step IStep, config *TConfig) *TStep {
 func buildURL(baseURL, stepURL string) string {
 	uConfig, err := url.Parse(baseURL)
 	if err != nil {
-		log.Fatalf("[buildURL] baseURL: %v, error: %v", baseURL, err)
+		log.Errorf("[buildURL] baseURL: %v, error: %v", baseURL, err)
 		return ""
 	}
 
 	uStep, err := uConfig.Parse(stepURL)
 	if err != nil {
-		log.Fatalf("[buildURL] baseURL: %v, error: %v", baseURL, err)
+		log.Errorf("[buildURL] baseURL: %v, error: %v", baseURL, err)
 		return ""
 	}
 
@@ -184,7 +185,7 @@ func parseString(raw string, variablesMapping map[string]interface{}) (interface
 			matchStartPosition += len(funcMatched[0])
 			parsedString += fmt.Sprintf("%v", result)
 			remainedString = raw[matchStartPosition:]
-			log.Printf("[parseString] parsedString: %v, matchStartPosition: %v", parsedString, matchStartPosition)
+			log.Infof("[parseString] parsedString: %v, matchStartPosition: %v", parsedString, matchStartPosition)
 			continue
 		}
 
@@ -210,7 +211,7 @@ func parseString(raw string, variablesMapping map[string]interface{}) (interface
 			matchStartPosition += len(varMatched[0])
 			parsedString += fmt.Sprintf("%v", varValue)
 			remainedString = raw[matchStartPosition:]
-			log.Printf("[parseString] parsedString: %v, matchStartPosition: %v", parsedString, matchStartPosition)
+			log.Infof("[parseString] parsedString: %v, matchStartPosition: %v", parsedString, matchStartPosition)
 			continue
 		}
 
@@ -283,21 +284,21 @@ func callFunc(funcName string, arguments ...interface{}) (interface{}, error) {
 			// function argument type not match and not convertible
 			err := fmt.Errorf("function %s argument %d type is neither match nor convertible, expect %v, actual %v",
 				funcName, index, expectArgumentType, actualArgumentType)
-			log.Printf("[callFunction] error: %s", err.Error())
+			log.Errorf("[callFunction] error: %s", err.Error())
 			return nil, err
 		}
 		// convert argument to expect type
 		argumentsValue[index] = argumentValue.Convert(expectArgumentType)
 	}
 
-	log.Printf("[callFunction] func: %v, input arguments: %v", funcName, arguments)
+	log.Infof("[callFunction] func: %v, input arguments: %v", funcName, arguments)
 	resultValues := funcValue.Call(argumentsValue)
-	log.Printf("[callFunction] output values: %v", resultValues)
+	log.Infof("[callFunction] output values: %v", resultValues)
 
 	if len(resultValues) > 1 {
 		// function should return at most one value
 		err := fmt.Errorf("function %s should return at most one value", funcName)
-		log.Printf("[callFunction] error: %s", err.Error())
+		log.Errorf("[callFunction] error: %s", err.Error())
 		return nil, err
 	}
 
@@ -309,7 +310,7 @@ func callFunc(funcName string, arguments ...interface{}) (interface{}, error) {
 	// return one value
 	// convert reflect.Value to interface{}
 	result := resultValues[0].Interface()
-	log.Printf("[callFunction] output result: %+v(%T)", result, result)
+	log.Infof("[callFunction] output result: %+v(%T)", result, result)
 	return result, nil
 }
 
@@ -327,7 +328,7 @@ func literalEval(raw string) (interface{}, error) {
 	// eval string to number
 	result, err := eval.Evaluate(raw, nil, nil)
 	if err != nil {
-		log.Printf("[literalEval] eval %s error: %s", raw, err.Error())
+		log.Errorf("[literalEval] eval %s error: %s", raw, err.Error())
 		return raw, err
 	}
 	return result, nil
@@ -378,7 +379,7 @@ func parseVariables(variables map[string]interface{}) (map[string]interface{}, e
 			// variables = {"token": "abc$token"}
 			// variables = {"key": ["$key", 2]}
 			if _, ok := extractVarsSet[varName]; ok {
-				log.Printf("[parseVariables] variable self reference error: %v", variables)
+				log.Errorf("[parseVariables] variable self reference error: %v", variables)
 				return variables, fmt.Errorf("variable self reference: %v", varName)
 			}
 
@@ -393,7 +394,7 @@ func parseVariables(variables map[string]interface{}) (map[string]interface{}, e
 				}
 			}
 			if len(undefinedVars) > 0 {
-				log.Printf("[parseVariables] variable not defined error: %v", undefinedVars)
+				log.Errorf("[parseVariables] variable not defined error: %v", undefinedVars)
 				return variables, fmt.Errorf("variable not defined: %v", undefinedVars)
 			}
 
@@ -406,7 +407,7 @@ func parseVariables(variables map[string]interface{}) (map[string]interface{}, e
 		traverseRounds += 1
 		// check if circular reference exists
 		if traverseRounds > len(variables) {
-			log.Printf("[parseVariables] circular reference error, break infinite loop!")
+			log.Errorf("[parseVariables] circular reference error, break infinite loop!")
 			return variables, fmt.Errorf("circular reference")
 		}
 	}
diff --git a/response.go b/response.go
index 01d1e470..4e08f216 100644
--- a/response.go
+++ b/response.go
@@ -2,12 +2,12 @@ package hrp
 
 import (
 	"encoding/json"
-	"log"
 	"strings"
 	"testing"
 
 	"github.com/imroc/req"
 	"github.com/jmespath/go-jmespath"
+	log "github.com/sirupsen/logrus"
 
 	"github.com/httprunner/hrp/builtin"
 )
@@ -45,7 +45,7 @@ func NewResponseObject(t *testing.T, resp *req.Resp) (*ResponseObject, error) {
 	respObjMetaBytes, _ := json.Marshal(respObjMeta)
 	var data interface{}
 	if err := json.Unmarshal(respObjMetaBytes, &data); err != nil {
-		log.Printf("[NewResponseObject] convert respObjMeta to interface{} error: %v, respObjMeta: %v",
+		log.Errorf("[NewResponseObject] convert respObjMeta to interface{} error: %v, respObjMeta: %v",
 			err, string(respObjMetaBytes))
 		return nil, err
 	}
@@ -77,8 +77,8 @@ func (v *ResponseObject) Extract(extractors map[string]string) map[string]interf
 	extractMapping := make(map[string]interface{})
 	for key, value := range extractors {
 		extractedValue := v.searchJmespath(value)
-		log.Printf("[extract] %s => %v", value, extractedValue)
-		log.Printf("[setVariable] %s = %v", key, extractedValue)
+		log.Infof("[extract] %s => %v", value, extractedValue)
+		log.Infof("[setVariable] %s = %v", key, extractedValue)
 		extractMapping[key] = extractedValue
 	}
 
@@ -112,7 +112,7 @@ func (v *ResponseObject) Validate(validators []TValidator, variablesMapping map[
 
 		// do assertion
 		result := assertFunc(v.t, expectValue, checkValue)
-		log.Printf("[assert] %s <%s> %v => %v", checkItem, assertMethod, expectValue, result)
+		log.Infof("[assert] %s <%s> %v => %v", checkItem, assertMethod, expectValue, result)
 		if !result {
 			v.t.Fail()
 		}
@@ -123,7 +123,7 @@ func (v *ResponseObject) Validate(validators []TValidator, variablesMapping map[
 func (v *ResponseObject) searchJmespath(expr string) interface{} {
 	checkValue, err := jmespath.Search(expr, v.respObjMeta)
 	if err != nil {
-		log.Printf("[searchJmespath] jmespath.Search error: %v", err)
+		log.Errorf("[searchJmespath] jmespath.Search error: %v", err)
 		return expr // jmespath not found, return the expression
 	}
 	return checkValue
diff --git a/runner.go b/runner.go
index afc36846..f0a91e65 100644
--- a/runner.go
+++ b/runner.go
@@ -1,12 +1,12 @@
 package hrp
 
 import (
-	"log"
 	"net/http"
 	"testing"
 
 	"github.com/imroc/req"
 	"github.com/pkg/errors"
+	log "github.com/sirupsen/logrus"
 )
 
 // run API test with default configs
@@ -29,19 +29,19 @@ type Runner struct {
 }
 
 func (r *Runner) WithTestingT(t *testing.T) *Runner {
-	log.Printf("[init] WithTestingT: %v", t)
+	log.Infof("[init] WithTestingT: %v", t)
 	r.t = t
 	return r
 }
 
 func (r *Runner) SetDebug(debug bool) *Runner {
-	log.Printf("[init] SetDebug: %v", debug)
+	log.Infof("[init] SetDebug: %v", debug)
 	r.debug = debug
 	return r
 }
 
 func (r *Runner) SetProxyUrl(proxyUrl string) *Runner {
-	log.Printf("[init] SetProxyUrl: %s", proxyUrl)
+	log.Infof("[init] SetProxyUrl: %s", proxyUrl)
 	r.client.SetProxyUrl(proxyUrl)
 	return r
 }
@@ -50,11 +50,11 @@ func (r *Runner) Run(testcases ...ITestCase) error {
 	for _, iTestCase := range testcases {
 		testcase, err := iTestCase.ToTestCase()
 		if err != nil {
-			log.Printf("[Run] testcase.ToStruct() error: %v", err)
+			log.Errorf("[Run] testcase.ToStruct() error: %v", err)
 			return err
 		}
 		if err := r.runCase(testcase); err != nil {
-			log.Printf("[Run] runCase error: %v", err)
+			log.Errorf("[Run] runCase error: %v", err)
 			return err
 		}
 	}
@@ -67,7 +67,7 @@ func (r *Runner) runCase(testcase *TestCase) error {
 		return err
 	}
 
-	log.Printf("Start to run testcase: %v", config.Name)
+	log.Infof("Start to run testcase: %v", config.Name)
 
 	extractedVariables := make(map[string]interface{})
 
@@ -81,7 +81,7 @@ func (r *Runner) runCase(testcase *TestCase) error {
 		// parse step variables
 		parsedVariables, err := parseVariables(stepVariables)
 		if err != nil {
-			log.Printf("[parseConfig] parse variables: %v, error: %v", config.Variables, err)
+			log.Errorf("[parseConfig] parse variables: %v, error: %v", config.Variables, err)
 			return err
 		}
 		step.ToStruct().Variables = parsedVariables
@@ -100,10 +100,10 @@ func (r *Runner) runCase(testcase *TestCase) error {
 }
 
 func (r *Runner) runStep(step IStep, config *TConfig) (stepData *StepData, err error) {
-	log.Printf("run step [%v] begin >>>>>>", step.Name())
+	log.Infof("run step [%v] begin >>>>>>", step.Name())
 	if tc, ok := step.(*testcaseWithOptionalArgs); ok {
 		// run referenced testcase
-		log.Printf("run referenced testcase: %v", tc.step.Name)
+		log.Infof("run referenced testcase: %v", tc.step.Name)
 		// TODO: override testcase config
 		stepData, err = r.runStepTestCase(tc.step)
 		if err != nil {
@@ -117,7 +117,7 @@ func (r *Runner) runStep(step IStep, config *TConfig) (stepData *StepData, err e
 			return
 		}
 	}
-	log.Printf("run step [%v] end, success: %v, responseLength: %v <<<<<<\n",
+	log.Infof("run step [%v] end, success: %v, responseLength: %v <<<<<<\n",
 		step.Name(), stepData.Success, stepData.ResponseLength)
 	return
 }
@@ -213,7 +213,7 @@ func (r *Runner) parseConfig(config *TConfig) error {
 	// parse config variables
 	parsedVariables, err := parseVariables(config.Variables)
 	if err != nil {
-		log.Printf("[parseConfig] parse variables: %v, error: %v", config.Variables, err)
+		log.Errorf("[parseConfig] parse variables: %v, error: %v", config.Variables, err)
 		return err
 	}
 	config.Variables = parsedVariables