diff --git a/examples/postman_echo/conftest.py b/examples/postman_echo/conftest.py
new file mode 100644
index 00000000..9bb834e6
--- /dev/null
+++ b/examples/postman_echo/conftest.py
@@ -0,0 +1,62 @@
+# NOTICE: Generated By HttpRunner.
+import json
+import os
+import time
+
+import pytest
+from loguru import logger
+
+from httprunner.utils import get_platform
+
+
+@pytest.fixture(scope="session", autouse=True)
+def session_fixture(request):
+    """setup and teardown each task"""
+    logger.info(f"start running testcases ...")
+
+    start_at = time.time()
+
+    yield
+
+    logger.info(f"task finished, generate task summary for --save-tests")
+
+    summary = {
+        "success": True,
+        "stat": {
+            "testcases": {"total": 0, "success": 0, "fail": 0},
+            "teststeps": {"total": 0, "failures": 0, "successes": 0},
+        },
+        "time": {"start_at": start_at, "duration": time.time() - start_at},
+        "platform": get_platform(),
+        "details": [],
+    }
+
+    for item in request.node.items:
+        testcase_summary = item.instance.get_summary()
+        summary["success"] &= testcase_summary.success
+
+        summary["stat"]["testcases"]["total"] += 1
+        summary["stat"]["teststeps"]["total"] += len(testcase_summary.step_datas)
+        if testcase_summary.success:
+            summary["stat"]["testcases"]["success"] += 1
+            summary["stat"]["teststeps"]["successes"] += len(
+                testcase_summary.step_datas
+            )
+        else:
+            summary["stat"]["testcases"]["fail"] += 1
+            summary["stat"]["teststeps"]["successes"] += (
+                len(testcase_summary.step_datas) - 1
+            )
+            summary["stat"]["teststeps"]["failures"] += 1
+
+        summary["details"].append(testcase_summary.dict())
+
+    summary_path = "/Users/debugtalk/MyProjects/HttpRunner-dev/HttpRunner/examples/postman_echo/logs/request_methods/hardcode.summary.json"
+    summary_dir = os.path.dirname(summary_path)
+    os.makedirs(summary_dir, exist_ok=True)
+
+    with open(summary_path, "w", encoding="utf-8") as f:
+        json.dump(summary, f, indent=4)
+
+    logger.info(f"generated task summary: {summary_path}")
+
diff --git a/examples/postman_echo/cookie_manipulation/__init__.py b/examples/postman_echo/cookie_manipulation/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/examples/postman_echo/cookie_manipulation/hardcode.yml b/examples/postman_echo/cookie_manipulation/hardcode.yml
new file mode 100644
index 00000000..f81c5f7c
--- /dev/null
+++ b/examples/postman_echo/cookie_manipulation/hardcode.yml
@@ -0,0 +1,34 @@
+config:
+    name: "set & delete cookies."
+    base_url: "https://postman-echo.com"
+    verify: False
+    export: ["cookie_foo1", "cookie_foo3"]
+
+teststeps:
+-
+    name: set cookie foo1 & foo2 & foo3
+    request:
+        method: GET
+        url: /cookies/set
+        params:
+            foo1: bar1
+            foo2: bar2
+        headers:
+            User-Agent: HttpRunner/${get_httprunner_version()}
+    extract:
+        cookie_foo1: $.cookies.foo1
+    validate:
+        - eq: ["status_code", 200]
+        - eq: ["cookies.foo1", "bar1"]
+-
+    name: delete cookie foo2
+    request:
+        method: GET
+        url: /cookies/delete?foo2
+        headers:
+            User-Agent: HttpRunner/${get_httprunner_version()}
+    validate:
+        - eq: ["status_code", 200]
+        - ne: ["$.cookies.foo1", "$foo1"]
+        - eq: ["$.cookies.foo1", "$cookie_foo1"]
+        - eq: ["$.cookies.foo3", "$cookie_foo3"]
diff --git a/examples/postman_echo/cookie_manipulation/hardcode_test.py b/examples/postman_echo/cookie_manipulation/hardcode_test.py
new file mode 100644
index 00000000..000d0404
--- /dev/null
+++ b/examples/postman_echo/cookie_manipulation/hardcode_test.py
@@ -0,0 +1,54 @@
+# NOTICE: Generated By HttpRunner. DO NOT EDIT!
+# FROM: examples/postman_echo/cookie_manipulation/hardcode.yml
+from httprunner import HttpRunner, TConfig, TStep
+
+
+class TestCaseHardcode(HttpRunner):
+    config = TConfig(
+        **{
+            "name": "set & delete cookies.",
+            "base_url": "https://postman-echo.com",
+            "verify": False,
+            "export": ["cookie_foo1", "cookie_foo3"],
+            "path": "examples/postman_echo/cookie_manipulation/hardcode_test.py",
+        }
+    )
+
+    teststeps = [
+        TStep(
+            **{
+                "name": "set cookie foo1 & foo2 & foo3",
+                "request": {
+                    "method": "GET",
+                    "url": "/cookies/set",
+                    "params": {"foo1": "bar1", "foo2": "bar2"},
+                    "headers": {"User-Agent": "HttpRunner/${get_httprunner_version()}"},
+                },
+                "extract": {"cookie_foo1": "$.cookies.foo1"},
+                "validate": [
+                    {"eq": ["status_code", 200]},
+                    {"eq": ["cookies.foo1", "bar1"]},
+                ],
+            }
+        ),
+        TStep(
+            **{
+                "name": "delete cookie foo2",
+                "request": {
+                    "method": "GET",
+                    "url": "/cookies/delete?foo2",
+                    "headers": {"User-Agent": "HttpRunner/${get_httprunner_version()}"},
+                },
+                "validate": [
+                    {"eq": ["status_code", 200]},
+                    {"ne": ["$.cookies.foo1", "$foo1"]},
+                    {"eq": ["$.cookies.foo1", "$cookie_foo1"]},
+                    {"eq": ["$.cookies.foo3", "$cookie_foo3"]},
+                ],
+            }
+        ),
+    ]
+
+
+if __name__ == "__main__":
+    TestCaseHardcode().test_start()
diff --git a/examples/postman_echo/cookie_manipulation/set_delete_cookies.py b/examples/postman_echo/cookie_manipulation/set_delete_cookies.py
new file mode 100644
index 00000000..b2e3bf26
--- /dev/null
+++ b/examples/postman_echo/cookie_manipulation/set_delete_cookies.py
@@ -0,0 +1,62 @@
+import unittest
+import requests
+
+from httprunner.runner import HttpRunner
+from httprunner.schema import TConfig, TStep
+
+
+class TestCaseSetDeleteCookies(unittest.TestCase):
+    config = TConfig(
+        **{
+            "name": "set & delete cookies.",
+            "base_url": "https://postman-echo.com",
+            "variables": {"foo1": "bar1", "foo2": "bar2"},
+            "verify": False,
+            "export": ["cookie_foo1", "cookie_foo3"],
+        }
+    )
+
+    teststeps = [
+        TStep(
+            **{
+                "name": "set cookie foo1 & foo2 & foo3",
+                "variables": {"foo3": "bar3"},
+                "request": {
+                    "method": "GET",
+                    "url": "/cookies/set",
+                    "params": {"foo1": "bar111", "foo2": "$foo2", "foo3": "$foo3"},
+                    "headers": {"User-Agent": "HttpRunner/${get_httprunner_version()}"},
+                },
+                "extract": {
+                    "cookie_foo1": "$.cookies.foo1",
+                    "cookie_foo3": "$.cookies.foo3",
+                },
+                "validate": [
+                    {"eq": ["status_code", 200]},
+                    {"eq": ["$.cookies.foo3", "$foo3"]},
+                ],
+            }
+        ),
+        TStep(
+            **{
+                "name": "delete cookie foo2",
+                "request": {
+                    "method": "GET",
+                    "url": "/cookies/delete?foo2",
+                    "headers": {"User-Agent": "HttpRunner/${get_httprunner_version()}"},
+                },
+                "validate": [
+                    {"eq": ["status_code", 200]},
+                    {"ne": ["$.cookies.foo1", "$foo1"]},
+                    {"eq": ["$.cookies.foo1", "$cookie_foo1"]},
+                    {"eq": ["$.cookies.foo3", "$cookie_foo3"]},
+                ],
+            }
+        ),
+    ]
+
+    def test_start(self):
+        s = requests.Session()
+        HttpRunner(self.config, self.teststeps, session=s).with_variables(
+            foo1="bar123", foo2="bar22"
+        ).run()
diff --git a/examples/postman_echo/cookie_manipulation/set_delete_cookies_test.py b/examples/postman_echo/cookie_manipulation/set_delete_cookies_test.py
new file mode 100644
index 00000000..540a2eb1
--- /dev/null
+++ b/examples/postman_echo/cookie_manipulation/set_delete_cookies_test.py
@@ -0,0 +1,59 @@
+# NOTICE: Generated By HttpRunner. DO NOT EDIT!
+# FROM: examples/postman_echo/cookie_manipulation/set_delete_cookies.yml
+from httprunner import HttpRunner, TConfig, TStep
+
+
+class TestCaseSetDeleteCookies(HttpRunner):
+    config = TConfig(
+        **{
+            "name": "set & delete cookies.",
+            "variables": {"foo1": "bar1", "foo2": "bar2"},
+            "base_url": "https://postman-echo.com",
+            "verify": False,
+            "export": ["cookie_foo1", "cookie_foo3"],
+            "path": "examples/postman_echo/cookie_manipulation/set_delete_cookies_test.py",
+        }
+    )
+
+    teststeps = [
+        TStep(
+            **{
+                "name": "set cookie foo1 & foo2 & foo3",
+                "variables": {"foo3": "bar3"},
+                "request": {
+                    "method": "GET",
+                    "url": "/cookies/set",
+                    "params": {"foo1": "bar111", "foo2": "$foo2", "foo3": "$foo3"},
+                    "headers": {"User-Agent": "HttpRunner/${get_httprunner_version()}"},
+                },
+                "extract": {
+                    "cookie_foo1": "$.cookies.foo1",
+                    "cookie_foo3": "$.cookies.foo3",
+                },
+                "validate": [
+                    {"eq": ["status_code", 200]},
+                    {"ne": ["$.cookies.foo3", "$foo3"]},
+                ],
+            }
+        ),
+        TStep(
+            **{
+                "name": "delete cookie foo2",
+                "request": {
+                    "method": "GET",
+                    "url": "/cookies/delete?foo2",
+                    "headers": {"User-Agent": "HttpRunner/${get_httprunner_version()}"},
+                },
+                "validate": [
+                    {"eq": ["status_code", 200]},
+                    {"ne": ["$.cookies.foo1", "$foo1"]},
+                    {"eq": ["$.cookies.foo1", "$cookie_foo1"]},
+                    {"eq": ["$.cookies.foo3", "$cookie_foo3"]},
+                ],
+            }
+        ),
+    ]
+
+
+if __name__ == "__main__":
+    TestCaseSetDeleteCookies().test_start()
diff --git a/examples/postman_echo/request_methods/demo_testsuite_yml/__init__.py b/examples/postman_echo/request_methods/demo_testsuite_yml/__init__.py
index bed305d5..70cfba53 100644
--- a/examples/postman_echo/request_methods/demo_testsuite_yml/__init__.py
+++ b/examples/postman_echo/request_methods/demo_testsuite_yml/__init__.py
@@ -1 +1 @@
-# NOTICE: Generated By HttpRunner. DO NOT EDIT!
\ No newline at end of file
+# NOTICE: Generated By HttpRunner. DO NOT EDIT!
diff --git a/examples/postman_echo/request_methods/demo_testsuite_yml/request_with_functions_test.py b/examples/postman_echo/request_methods/demo_testsuite_yml/request_with_functions_test.py
index 0bc92c4d..01d3e075 100644
--- a/examples/postman_echo/request_methods/demo_testsuite_yml/request_with_functions_test.py
+++ b/examples/postman_echo/request_methods/demo_testsuite_yml/request_with_functions_test.py
@@ -1,87 +1,69 @@
 # NOTICE: Generated By HttpRunner. DO NOT EDIT!
 # FROM: examples/postman_echo/request_methods/request_with_functions.yml
 
-from httprunner import HttpRunner, TConfig, TStep
+from httprunner import HttpRunner, Config, Step, RunRequest, RunTestCase
 
 
 class TestCaseRequestWithFunctions(HttpRunner):
-    config = TConfig(
-        **{
-            "name": "request with functions",
-            "variables": {"foo1": "session_bar1", "var1": "testsuite_val1"},
-            "base_url": "https://postman-echo.com",
-            "verify": False,
-            "path": "examples/postman_echo/request_methods/demo_testsuite_yml/request_with_functions_test.py",
-        }
+    config = (
+        Config("request with functions")
+        .variables(**{"foo1": "session_bar1", "var1": "testsuite_val1"})
+        .base_url("https://postman-echo.com")
+        .verify(False)
     )
 
     teststeps = [
-        TStep(
-            **{
-                "name": "get with params",
-                "variables": {
-                    "foo1": "bar1",
-                    "foo2": "session_bar2",
-                    "sum_v": "${sum_two(1, 2)}",
-                },
-                "request": {
-                    "method": "GET",
-                    "url": "/get",
-                    "params": {"foo1": "$foo1", "foo2": "$foo2", "sum_v": "$sum_v"},
-                    "headers": {"User-Agent": "HttpRunner/${get_httprunner_version()}"},
-                },
-                "extract": {"session_foo2": "body.args.foo2"},
-                "validate": [
-                    {"eq": ["status_code", 200]},
-                    {"eq": ["body.args.foo1", "session_bar1"]},
-                    {"eq": ["body.args.sum_v", "3"]},
-                    {"eq": ["body.args.foo2", "session_bar2"]},
-                ],
-            }
+        Step(
+            RunRequest("get with params")
+            .with_variables(
+                **{"foo1": "bar1", "foo2": "session_bar2", "sum_v": "${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", "session_foo2")
+            .validate()
+            .assert_equal("status_code", 200)
+            .assert_equal("body.args.foo1", "session_bar1")
+            .assert_equal("body.args.sum_v", "3")
+            .assert_equal("body.args.foo2", "session_bar2")
         ),
-        TStep(
-            **{
-                "name": "post raw text",
-                "variables": {"foo1": "hello world", "foo3": "$session_foo2"},
-                "request": {
-                    "method": "POST",
-                    "url": "/post",
-                    "headers": {
-                        "User-Agent": "HttpRunner/${get_httprunner_version()}",
-                        "Content-Type": "text/plain",
-                    },
-                    "data": "This is expected to be sent back as part of response body: $foo1-$foo3.",
-                },
-                "validate": [
-                    {"eq": ["status_code", 200]},
-                    {
-                        "eq": [
-                            "body.data",
-                            "This is expected to be sent back as part of response body: session_bar1-session_bar2.",
-                        ]
-                    },
-                ],
-            }
+        Step(
+            RunRequest("post raw text")
+            .with_variables(**{"foo1": "hello world", "foo3": "$session_foo2"})
+            .post("/post")
+            .with_headers(
+                **{
+                    "User-Agent": "HttpRunner/${get_httprunner_version()}",
+                    "Content-Type": "text/plain",
+                }
+            )
+            .with_data(
+                "This is expected to be sent back as part of response body: $foo1-$foo3."
+            )
+            .validate()
+            .assert_equal("status_code", 200)
+            .assert_equal(
+                "body.data",
+                "This is expected to be sent back as part of response body: session_bar1-session_bar2.",
+            )
         ),
-        TStep(
-            **{
-                "name": "post form data",
-                "variables": {"foo1": "bar1", "foo2": "bar2"},
-                "request": {
-                    "method": "POST",
-                    "url": "/post",
-                    "headers": {
-                        "User-Agent": "HttpRunner/${get_httprunner_version()}",
-                        "Content-Type": "application/x-www-form-urlencoded",
-                    },
-                    "data": "foo1=$foo1&foo2=$foo2",
-                },
-                "validate": [
-                    {"eq": ["status_code", 200]},
-                    {"eq": ["body.form.foo1", "session_bar1"]},
-                    {"eq": ["body.form.foo2", "bar2"]},
-                ],
-            }
+        Step(
+            RunRequest("post form data")
+            .with_variables(**{"foo1": "bar1", "foo2": "bar2"})
+            .post("/post")
+            .with_headers(
+                **{
+                    "User-Agent": "HttpRunner/${get_httprunner_version()}",
+                    "Content-Type": "application/x-www-form-urlencoded",
+                }
+            )
+            .with_data("foo1=$foo1&foo2=$foo2")
+            .validate()
+            .assert_equal("status_code", 200)
+            .assert_equal("body.form.foo1", "session_bar1")
+            .assert_equal("body.form.foo2", "bar2")
         ),
     ]
 
diff --git a/examples/postman_echo/request_methods/demo_testsuite_yml/request_with_testcase_reference_test.py b/examples/postman_echo/request_methods/demo_testsuite_yml/request_with_testcase_reference_test.py
index 187b5e23..dac68fef 100644
--- a/examples/postman_echo/request_methods/demo_testsuite_yml/request_with_testcase_reference_test.py
+++ b/examples/postman_echo/request_methods/demo_testsuite_yml/request_with_testcase_reference_test.py
@@ -6,7 +6,7 @@ import sys
 
 sys.path.insert(0, os.getcwd())
 
-from httprunner import HttpRunner, TConfig, TStep
+from httprunner import HttpRunner, Config, Step, RunRequest, RunTestCase
 
 from examples.postman_echo.request_methods.request_with_functions_test import (
     TestCaseRequestWithFunctions as RequestWithFunctions,
@@ -14,23 +14,18 @@ from examples.postman_echo.request_methods.request_with_functions_test import (
 
 
 class TestCaseRequestWithTestcaseReference(HttpRunner):
-    config = TConfig(
-        **{
-            "name": "request with referenced testcase",
-            "variables": {"foo1": "session_bar1", "var2": "testsuite_val2"},
-            "base_url": "https://postman-echo.com",
-            "verify": False,
-            "path": "examples/postman_echo/request_methods/demo_testsuite_yml/request_with_testcase_reference_test.py",
-        }
+    config = (
+        Config("request with referenced testcase")
+        .variables(**{"foo1": "session_bar1", "var2": "testsuite_val2"})
+        .base_url("https://postman-echo.com")
+        .verify(False)
     )
 
     teststeps = [
-        TStep(
-            **{
-                "name": "request with functions",
-                "variables": {"foo1": "override_bar1"},
-                "testcase": RequestWithFunctions,
-            }
+        Step(
+            RunTestCase("request with functions")
+            .with_variables(**{"foo1": "override_bar1"})
+            .call(RequestWithFunctions)
         ),
     ]
 
diff --git a/examples/postman_echo/request_methods/hardcode_test.py b/examples/postman_echo/request_methods/hardcode_test.py
index f9931709..4fd3aa2c 100644
--- a/examples/postman_echo/request_methods/hardcode_test.py
+++ b/examples/postman_echo/request_methods/hardcode_test.py
@@ -1,77 +1,57 @@
 # NOTICE: Generated By HttpRunner. DO NOT EDIT!
 # FROM: examples/postman_echo/request_methods/hardcode.yml
 
-from httprunner import HttpRunner, TConfig, TStep
+from httprunner import HttpRunner, Config, Step, RunRequest, RunTestCase
 
 
 class TestCaseHardcode(HttpRunner):
-    config = TConfig(
-        **{
-            "name": "request methods testcase in hardcode",
-            "base_url": "https://postman-echo.com",
-            "verify": False,
-            "path": "examples/postman_echo/request_methods/hardcode_test.py",
-            "variables": {},
-        }
+    config = (
+        Config("request methods testcase in hardcode")
+        .base_url("https://postman-echo.com")
+        .verify(False)
     )
 
     teststeps = [
-        TStep(
-            **{
-                "name": "get with params",
-                "request": {
-                    "method": "GET",
-                    "url": "/get",
-                    "params": {"foo1": "bar1", "foo2": "bar2"},
-                    "headers": {"User-Agent": "HttpRunner/3.0"},
-                },
-                "validate": [{"eq": ["status_code", 200]}],
-            }
+        Step(
+            RunRequest("get with params")
+            .get("/get")
+            .with_params(**{"foo1": "bar1", "foo2": "bar2"})
+            .with_headers(**{"User-Agent": "HttpRunner/3.0"})
+            .validate()
+            .assert_equal("status_code", 200)
         ),
-        TStep(
-            **{
-                "name": "post raw text",
-                "request": {
-                    "method": "POST",
-                    "url": "/post",
-                    "headers": {
-                        "User-Agent": "HttpRunner/3.0",
-                        "Content-Type": "text/plain",
-                    },
-                    "data": "This is expected to be sent back as part of response body.",
-                },
-                "validate": [{"eq": ["status_code", 200]}],
-            }
+        Step(
+            RunRequest("post raw text")
+            .post("/post")
+            .with_headers(
+                **{"User-Agent": "HttpRunner/3.0", "Content-Type": "text/plain"}
+            )
+            .with_data("This is expected to be sent back as part of response body.")
+            .validate()
+            .assert_equal("status_code", 200)
         ),
-        TStep(
-            **{
-                "name": "post form data",
-                "request": {
-                    "method": "POST",
-                    "url": "/post",
-                    "headers": {
-                        "User-Agent": "HttpRunner/3.0",
-                        "Content-Type": "application/x-www-form-urlencoded",
-                    },
-                    "data": "foo1=bar1&foo2=bar2",
-                },
-                "validate": [{"eq": ["status_code", 200]}],
-            }
+        Step(
+            RunRequest("post form data")
+            .post("/post")
+            .with_headers(
+                **{
+                    "User-Agent": "HttpRunner/3.0",
+                    "Content-Type": "application/x-www-form-urlencoded",
+                }
+            )
+            .with_data("foo1=bar1&foo2=bar2")
+            .validate()
+            .assert_equal("status_code", 200)
         ),
-        TStep(
-            **{
-                "name": "put request",
-                "request": {
-                    "method": "PUT",
-                    "url": "/put",
-                    "headers": {
-                        "User-Agent": "HttpRunner/3.0",
-                        "Content-Type": "text/plain",
-                    },
-                    "data": "This is expected to be sent back as part of response body.",
-                },
-                "validate": [{"eq": ["status_code", 200]}],
-            }
+        Step(
+            RunRequest("put request")
+            .put("/put")
+            .with_headers(
+                **{"User-Agent": "HttpRunner/3.0", "Content-Type": "text/plain"}
+            )
+            .with_data("This is expected to be sent back as part of response body.")
+            .validate()
+            .assert_equal("status_code", 200)
         ),
     ]
 
diff --git a/examples/postman_echo/request_methods/request_with_functions_test.py b/examples/postman_echo/request_methods/request_with_functions_test.py
index e084d808..b8f333bb 100644
--- a/examples/postman_echo/request_methods/request_with_functions_test.py
+++ b/examples/postman_echo/request_methods/request_with_functions_test.py
@@ -1,67 +1,88 @@
 # NOTICE: Generated By HttpRunner. DO NOT EDIT!
 # FROM: examples/postman_echo/request_methods/request_with_functions.yml
 
-from httprunner import HttpRunner, Config, Step, Request
+from httprunner import HttpRunner, TConfig, TStep
 
 
 class TestCaseRequestWithFunctions(HttpRunner):
-    config = (
-        Config("request methods testcase with functions")
-        .variables(foo1="session_bar1")
-        .base_url("https://postman-echo.com")
-        .verify(False)
+    config = TConfig(
+        **{
+            "name": "request methods testcase with functions",
+            "variables": {"foo1": "session_bar1"},
+            "base_url": "https://postman-echo.com",
+            "verify": False,
+            "path": "examples/postman_echo/request_methods/request_with_functions_test.py",
+        }
     )
 
     teststeps = [
-        Step("get with params")
-        .with_variables(foo1="bar1", foo2="session_bar2", sum_v="${sum_two(1, 2)}")
-        .set_extractor("session_foo2", "body.args.foo2")
-        .run_request(
-            Request()
-            .get("/get")
-            .with_params(foo1="$foo1", foo2="$foo2", sum_v="$sum_v")
-            .with_headers(**{"User-Agent": "HttpRunner/${get_httprunner_version()}"})
-        )
-        .assert_equal("status_code", 200)
-        .assert_equal("body.args.foo1", "session_bar1")
-        .assert_equal("body.args.sum_v", "3")
-        .assert_equal("body.args.foo2", "session_bar2"),
-        Step("post raw text")
-        .with_variables(foo1="hello world", foo3="$session_foo2")
-        .run_request(
-            Request()
-            .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: $foo1-$foo3."
-            )
-        )
-        .assert_equal("status_code", 200)
-        .assert_equal(
-            "body.data",
-            "This is expected to be sent back as part of response body: session_bar1-session_bar2.",
+        TStep(
+            **{
+                "name": "get with params",
+                "variables": {
+                    "foo1": "bar1",
+                    "foo2": "session_bar2",
+                    "sum_v": "${sum_two(1, 2)}",
+                },
+                "request": {
+                    "method": "GET",
+                    "url": "/get",
+                    "params": {"foo1": "$foo1", "foo2": "$foo2", "sum_v": "$sum_v"},
+                    "headers": {"User-Agent": "HttpRunner/${get_httprunner_version()}"},
+                },
+                "extract": {"session_foo2": "body.args.foo2"},
+                "validate": [
+                    {"eq": ["status_code", 200]},
+                    {"eq": ["body.args.foo1", "session_bar1"]},
+                    {"eq": ["body.args.sum_v", "3"]},
+                    {"eq": ["body.args.foo2", "session_bar2"]},
+                ],
+            }
+        ),
+        TStep(
+            **{
+                "name": "post raw text",
+                "variables": {"foo1": "hello world", "foo3": "$session_foo2"},
+                "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: $foo1-$foo3.",
+                },
+                "validate": [
+                    {"eq": ["status_code", 200]},
+                    {
+                        "eq": [
+                            "body.data",
+                            "This is expected to be sent back as part of response body: session_bar1-session_bar2.",
+                        ]
+                    },
+                ],
+            }
+        ),
+        TStep(
+            **{
+                "name": "post form data",
+                "variables": {"foo1": "bar1", "foo2": "bar2"},
+                "request": {
+                    "method": "POST",
+                    "url": "/post",
+                    "headers": {
+                        "User-Agent": "HttpRunner/${get_httprunner_version()}",
+                        "Content-Type": "application/x-www-form-urlencoded",
+                    },
+                    "data": "foo1=$foo1&foo2=$foo2",
+                },
+                "validate": [
+                    {"eq": ["status_code", 200]},
+                    {"eq": ["body.form.foo1", "session_bar1"]},
+                    {"eq": ["body.form.foo2", "bar2"]},
+                ],
+            }
         ),
-        Step("post form data")
-        .with_variables(**{"foo1": "bar1", "foo2": "bar2"})
-        .run_request(
-            Request()
-            .post("/post")
-            .with_headers(
-                **{
-                    "User-Agent": "HttpRunner/${get_httprunner_version()}",
-                    "Content-Type": "application/x-www-form-urlencoded",
-                }
-            )
-            .with_data("foo1=$foo1&foo2=$foo2")
-        )
-        .assert_equal("status_code", 200)
-        .assert_equal("body.form.foo1", "session_bar1")
-        .assert_equal("body.form.foo2", "bar2"),
     ]
 
 
diff --git a/examples/postman_echo/request_methods/request_with_testcase_reference_test.py b/examples/postman_echo/request_methods/request_with_testcase_reference_test.py
index cb2fc35a..5d8ae4f2 100644
--- a/examples/postman_echo/request_methods/request_with_testcase_reference_test.py
+++ b/examples/postman_echo/request_methods/request_with_testcase_reference_test.py
@@ -6,7 +6,7 @@ import sys
 
 sys.path.insert(0, os.getcwd())
 
-from httprunner import HttpRunner, Config, Step
+from httprunner import HttpRunner, Config, Step, RunRequest, RunTestCase
 
 from examples.postman_echo.request_methods.request_with_functions_test import (
     TestCaseRequestWithFunctions as RequestWithFunctions,
@@ -16,15 +16,17 @@ from examples.postman_echo.request_methods.request_with_functions_test import (
 class TestCaseRequestWithTestcaseReference(HttpRunner):
     config = (
         Config("request methods testcase: reference testcase")
-        .variables(foo1="session_bar1")
+        .variables(**{"foo1": "session_bar1"})
         .base_url("https://postman-echo.com")
         .verify(False)
     )
 
     teststeps = [
-        Step("request with functions")
-        .with_variables(foo1="override_bar1")
-        .run_testcase(RequestWithFunctions),
+        Step(
+            RunTestCase("request with functions")
+            .with_variables(**{"foo1": "override_bar1"})
+            .call(RequestWithFunctions)
+        ),
     ]
 
 
diff --git a/examples/postman_echo/request_methods/request_with_variables_test.py b/examples/postman_echo/request_methods/request_with_variables_test.py
index 6460eb90..d7fc5241 100644
--- a/examples/postman_echo/request_methods/request_with_variables_test.py
+++ b/examples/postman_echo/request_methods/request_with_variables_test.py
@@ -1,82 +1,63 @@
 # NOTICE: Generated By HttpRunner. DO NOT EDIT!
 # FROM: examples/postman_echo/request_methods/request_with_variables.yml
 
-from httprunner import HttpRunner, TConfig, TStep
+from httprunner import HttpRunner, Config, Step, RunRequest, RunTestCase
 
 
 class TestCaseRequestWithVariables(HttpRunner):
-    config = TConfig(
-        **{
-            "name": "request methods testcase with variables",
-            "variables": {"foo1": "session_bar1"},
-            "base_url": "https://postman-echo.com",
-            "verify": False,
-            "path": "examples/postman_echo/request_methods/request_with_variables_test.py",
-        }
+    config = (
+        Config("request methods testcase with variables")
+        .variables(**{"foo1": "session_bar1"})
+        .base_url("https://postman-echo.com")
+        .verify(False)
     )
 
     teststeps = [
-        TStep(
-            **{
-                "name": "get with params",
-                "variables": {"foo1": "bar1", "foo2": "session_bar2"},
-                "request": {
-                    "method": "GET",
-                    "url": "/get",
-                    "params": {"foo1": "$foo1", "foo2": "$foo2"},
-                    "headers": {"User-Agent": "HttpRunner/3.0"},
-                },
-                "extract": {"session_foo2": "body.args.foo2"},
-                "validate": [
-                    {"eq": ["status_code", 200]},
-                    {"eq": ["body.args.foo1", "session_bar1"]},
-                    {"eq": ["body.args.foo2", "session_bar2"]},
-                ],
-            }
+        Step(
+            RunRequest("get with params")
+            .with_variables(**{"foo1": "bar1", "foo2": "session_bar2"})
+            .get("/get")
+            .with_params(**{"foo1": "$foo1", "foo2": "$foo2"})
+            .with_headers(**{"User-Agent": "HttpRunner/3.0"})
+            .extract()
+            .with_jmespath("body.args.foo2", "session_foo2")
+            .validate()
+            .assert_equal("status_code", 200)
+            .assert_equal("body.args.foo1", "session_bar1")
+            .assert_equal("body.args.foo2", "session_bar2")
         ),
-        TStep(
-            **{
-                "name": "post raw text",
-                "variables": {"foo1": "hello world", "foo3": "$session_foo2"},
-                "request": {
-                    "method": "POST",
-                    "url": "/post",
-                    "headers": {
-                        "User-Agent": "HttpRunner/3.0",
-                        "Content-Type": "text/plain",
-                    },
-                    "data": "This is expected to be sent back as part of response body: $foo1-$foo3.",
-                },
-                "validate": [
-                    {"eq": ["status_code", 200]},
-                    {
-                        "eq": [
-                            "body.data",
-                            "This is expected to be sent back as part of response body: session_bar1-session_bar2.",
-                        ]
-                    },
-                ],
-            }
+        Step(
+            RunRequest("post raw text")
+            .with_variables(**{"foo1": "hello world", "foo3": "$session_foo2"})
+            .post("/post")
+            .with_headers(
+                **{"User-Agent": "HttpRunner/3.0", "Content-Type": "text/plain"}
+            )
+            .with_data(
+                "This is expected to be sent back as part of response body: $foo1-$foo3."
+            )
+            .validate()
+            .assert_equal("status_code", 200)
+            .assert_equal(
+                "body.data",
+                "This is expected to be sent back as part of response body: session_bar1-session_bar2.",
+            )
         ),
-        TStep(
-            **{
-                "name": "post form data",
-                "variables": {"foo1": "bar1", "foo2": "bar2"},
-                "request": {
-                    "method": "POST",
-                    "url": "/post",
-                    "headers": {
-                        "User-Agent": "HttpRunner/3.0",
-                        "Content-Type": "application/x-www-form-urlencoded",
-                    },
-                    "data": "foo1=$foo1&foo2=$foo2",
-                },
-                "validate": [
-                    {"eq": ["status_code", 200]},
-                    {"eq": ["body.form.foo1", "session_bar1"]},
-                    {"eq": ["body.form.foo2", "bar2"]},
-                ],
-            }
+        Step(
+            RunRequest("post form data")
+            .with_variables(**{"foo1": "bar1", "foo2": "bar2"})
+            .post("/post")
+            .with_headers(
+                **{
+                    "User-Agent": "HttpRunner/3.0",
+                    "Content-Type": "application/x-www-form-urlencoded",
+                }
+            )
+            .with_data("foo1=$foo1&foo2=$foo2")
+            .validate()
+            .assert_equal("status_code", 200)
+            .assert_equal("body.form.foo1", "session_bar1")
+            .assert_equal("body.form.foo2", "bar2")
         ),
     ]
 
diff --git a/examples/postman_echo/request_methods/validate_with_functions_test.py b/examples/postman_echo/request_methods/validate_with_functions_test.py
index 1346ec8e..6d39269d 100644
--- a/examples/postman_echo/request_methods/validate_with_functions_test.py
+++ b/examples/postman_echo/request_methods/validate_with_functions_test.py
@@ -1,41 +1,31 @@
 # NOTICE: Generated By HttpRunner. DO NOT EDIT!
 # FROM: examples/postman_echo/request_methods/validate_with_functions.yml
 
-from httprunner import HttpRunner, TConfig, TStep
+from httprunner import HttpRunner, Config, Step, RunRequest, RunTestCase
 
 
 class TestCaseValidateWithFunctions(HttpRunner):
-    config = TConfig(
-        **{
-            "name": "request methods testcase: validate with functions",
-            "variables": {"foo1": "session_bar1"},
-            "base_url": "https://postman-echo.com",
-            "verify": False,
-            "path": "examples/postman_echo/request_methods/validate_with_functions_test.py",
-        }
+    config = (
+        Config("request methods testcase: validate with functions")
+        .variables(**{"foo1": "session_bar1"})
+        .base_url("https://postman-echo.com")
+        .verify(False)
     )
 
     teststeps = [
-        TStep(
-            **{
-                "name": "get with params",
-                "variables": {
-                    "foo1": "bar1",
-                    "foo2": "session_bar2",
-                    "sum_v": "${sum_two(1, 2)}",
-                },
-                "request": {
-                    "method": "GET",
-                    "url": "/get",
-                    "params": {"foo1": "$foo1", "foo2": "$foo2", "sum_v": "$sum_v"},
-                    "headers": {"User-Agent": "HttpRunner/${get_httprunner_version()}"},
-                },
-                "extract": {"session_foo2": "body.args.foo2"},
-                "validate": [
-                    {"eq": ["status_code", 200]},
-                    {"eq": ["body.args.sum_v", "3"]},
-                ],
-            }
+        Step(
+            RunRequest("get with params")
+            .with_variables(
+                **{"foo1": "bar1", "foo2": "session_bar2", "sum_v": "${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", "session_foo2")
+            .validate()
+            .assert_equal("status_code", 200)
+            .assert_equal("body.args.sum_v", "3")
         ),
     ]
 
diff --git a/examples/postman_echo/request_methods/validate_with_variables_test.py b/examples/postman_echo/request_methods/validate_with_variables_test.py
index 1cb75fa9..2ae99691 100644
--- a/examples/postman_echo/request_methods/validate_with_variables_test.py
+++ b/examples/postman_echo/request_methods/validate_with_variables_test.py
@@ -1,82 +1,63 @@
 # NOTICE: Generated By HttpRunner. DO NOT EDIT!
 # FROM: examples/postman_echo/request_methods/validate_with_variables.yml
 
-from httprunner import HttpRunner, TConfig, TStep
+from httprunner import HttpRunner, Config, Step, RunRequest, RunTestCase
 
 
 class TestCaseValidateWithVariables(HttpRunner):
-    config = TConfig(
-        **{
-            "name": "request methods testcase: validate with variables",
-            "variables": {"foo1": "session_bar1"},
-            "base_url": "https://postman-echo.com",
-            "verify": False,
-            "path": "examples/postman_echo/request_methods/validate_with_variables_test.py",
-        }
+    config = (
+        Config("request methods testcase: validate with variables")
+        .variables(**{"foo1": "session_bar1"})
+        .base_url("https://postman-echo.com")
+        .verify(False)
     )
 
     teststeps = [
-        TStep(
-            **{
-                "name": "get with params",
-                "variables": {"foo1": "bar1", "foo2": "session_bar2"},
-                "request": {
-                    "method": "GET",
-                    "url": "/get",
-                    "params": {"foo1": "$foo1", "foo2": "$foo2"},
-                    "headers": {"User-Agent": "HttpRunner/3.0"},
-                },
-                "extract": {"session_foo2": "body.args.foo2"},
-                "validate": [
-                    {"eq": ["status_code", 200]},
-                    {"eq": ["body.args.foo1", "$foo1"]},
-                    {"eq": ["body.args.foo2", "$foo2"]},
-                ],
-            }
+        Step(
+            RunRequest("get with params")
+            .with_variables(**{"foo1": "bar1", "foo2": "session_bar2"})
+            .get("/get")
+            .with_params(**{"foo1": "$foo1", "foo2": "$foo2"})
+            .with_headers(**{"User-Agent": "HttpRunner/3.0"})
+            .extract()
+            .with_jmespath("body.args.foo2", "session_foo2")
+            .validate()
+            .assert_equal("status_code", 200)
+            .assert_equal("body.args.foo1", "$foo1")
+            .assert_equal("body.args.foo2", "$foo2")
         ),
-        TStep(
-            **{
-                "name": "post raw text",
-                "variables": {"foo1": "hello world", "foo3": "$session_foo2"},
-                "request": {
-                    "method": "POST",
-                    "url": "/post",
-                    "headers": {
-                        "User-Agent": "HttpRunner/3.0",
-                        "Content-Type": "text/plain",
-                    },
-                    "data": "This is expected to be sent back as part of response body: $foo1-$foo3.",
-                },
-                "validate": [
-                    {"eq": ["status_code", 200]},
-                    {
-                        "eq": [
-                            "body.data",
-                            "This is expected to be sent back as part of response body: session_bar1-$foo3.",
-                        ]
-                    },
-                ],
-            }
+        Step(
+            RunRequest("post raw text")
+            .with_variables(**{"foo1": "hello world", "foo3": "$session_foo2"})
+            .post("/post")
+            .with_headers(
+                **{"User-Agent": "HttpRunner/3.0", "Content-Type": "text/plain"}
+            )
+            .with_data(
+                "This is expected to be sent back as part of response body: $foo1-$foo3."
+            )
+            .validate()
+            .assert_equal("status_code", 200)
+            .assert_equal(
+                "body.data",
+                "This is expected to be sent back as part of response body: session_bar1-$foo3.",
+            )
         ),
-        TStep(
-            **{
-                "name": "post form data",
-                "variables": {"foo1": "bar1", "foo2": "bar2"},
-                "request": {
-                    "method": "POST",
-                    "url": "/post",
-                    "headers": {
-                        "User-Agent": "HttpRunner/3.0",
-                        "Content-Type": "application/x-www-form-urlencoded",
-                    },
-                    "data": "foo1=$foo1&foo2=$foo2",
-                },
-                "validate": [
-                    {"eq": ["status_code", 200]},
-                    {"eq": ["body.form.foo1", "$foo1"]},
-                    {"eq": ["body.form.foo2", "$foo2"]},
-                ],
-            }
+        Step(
+            RunRequest("post form data")
+            .with_variables(**{"foo1": "bar1", "foo2": "bar2"})
+            .post("/post")
+            .with_headers(
+                **{
+                    "User-Agent": "HttpRunner/3.0",
+                    "Content-Type": "application/x-www-form-urlencoded",
+                }
+            )
+            .with_data("foo1=$foo1&foo2=$foo2")
+            .validate()
+            .assert_equal("status_code", 200)
+            .assert_equal("body.form.foo1", "$foo1")
+            .assert_equal("body.form.foo2", "$foo2")
         ),
     ]
 
diff --git a/httprunner/__init__.py b/httprunner/__init__.py
index 58134ded..71d2df85 100644
--- a/httprunner/__init__.py
+++ b/httprunner/__init__.py
@@ -3,7 +3,7 @@ __description__ = "One-stop solution for HTTP(S) testing."
 
 from httprunner.runner import HttpRunner
 from httprunner.schema import TConfig, TStep
-from httprunner.testcase import Config, Step, Request
+from httprunner.testcase import Config, Step, RunRequest, RunTestCase
 
 __all__ = [
     "__version__",
@@ -13,5 +13,6 @@ __all__ = [
     "TStep",
     "Config",
     "Step",
-    "Request",
+    "RunRequest",
+    "RunTestCase",
 ]
diff --git a/httprunner/cli.py b/httprunner/cli.py
index 5297074d..762ae2a7 100644
--- a/httprunner/cli.py
+++ b/httprunner/cli.py
@@ -23,9 +23,14 @@ def main_run(extra_args):
     # keep compatibility with v2
     extra_args = ensure_cli_args(extra_args)
 
+    chain_style = False
     tests_path_list = []
     extra_args_new = []
     for item in extra_args:
+        if item == "--chain-style":
+            chain_style = True
+            continue
+
         if not os.path.exists(item):
             # item is not file/folder path
             extra_args_new.append(item)
@@ -38,7 +43,7 @@ def main_run(extra_args):
         logger.error(f"No valid testcase path in cli arguments: {extra_args}")
         sys.exit(1)
 
-    testcase_path_list = main_make(tests_path_list)
+    testcase_path_list = main_make(tests_path_list, chain_style=chain_style)
     if not testcase_path_list:
         logger.error("No valid testcases found, exit 1.")
         sys.exit(1)
@@ -110,7 +115,7 @@ def main():
     elif sys.argv[1] == "har2case":
         main_har2case(args)
     elif sys.argv[1] == "make":
-        main_make(args.testcase_path)
+        main_make(args.testcase_path, chain_style=args.chain_style)
 
 
 def main_hrun_alias():
diff --git a/httprunner/make.py b/httprunner/make.py
index 0d19aacd..a2ca8066 100644
--- a/httprunner/make.py
+++ b/httprunner/make.py
@@ -16,6 +16,7 @@ from httprunner.loader import (
     load_project_meta,
 )
 from httprunner.parser import parse_data
+from httprunner.response import uniform_validator
 
 """ cache converted pytest files, avoid duplicate making
 """
@@ -50,6 +51,35 @@ if __name__ == "__main__":
 """
 )
 
+__TEMPLATE_CHAIN_STYLE__ = jinja2.Template(
+    """# NOTICE: Generated By HttpRunner. DO NOT EDIT!
+# FROM: {{ testcase_path }}
+{% if imports_list %}
+import os
+import sys
+
+sys.path.insert(0, os.getcwd())
+{% endif %}
+from httprunner import HttpRunner, Config, Step, RunRequest, RunTestCase
+{% for import_str in imports_list %}
+{{ import_str }}
+{% endfor %}
+
+class {{ class_name }}(HttpRunner):
+    config = {{ config_chain_style }}
+
+    teststeps = [
+        {% for step_chain_style in teststeps_chain_style %}
+            {{ step_chain_style }},
+        {% endfor %}
+    ]
+
+if __name__ == "__main__":
+    {{ class_name }}().test_start()
+
+"""
+)
+
 
 def __ensure_file_name(path: Text) -> Text:
     """ ensure file name not startswith digit
@@ -96,7 +126,7 @@ def __ensure_testcase_module(path: Text) -> NoReturn:
         return
 
     with open(init_file, "w", encoding="utf-8") as f:
-        f.write("# NOTICE: Generated By HttpRunner. DO NOT EDIT!")
+        f.write("# NOTICE: Generated By HttpRunner. DO NOT EDIT!\n")
 
 
 def convert_testcase_path(testcase_path: Text) -> Tuple[Text, Text]:
@@ -132,8 +162,105 @@ def __format_pytest_with_black(python_paths: List[Text]) -> NoReturn:
         logger.error(ex)
 
 
+def make_config_chain_style(config: Dict) -> Text:
+    config_chain_style = f'Config("{config["name"]}")'
+
+    if config["variables"]:
+        variables = config["variables"]
+        config_chain_style += f".variables(**{variables})"
+
+    if "base_url" in config:
+        config_chain_style += f'.base_url("{config["base_url"]}")'
+
+    if "verify" in config:
+        config_chain_style += f'.verify({config["verify"]})'
+
+    return config_chain_style
+
+
+def make_request_chain_style(request: Dict) -> Text:
+    method = request["method"].lower()
+    url = request["url"]
+    request_chain_style = f'.{method}("{url}")'
+
+    if "params" in request:
+        params = request["params"]
+        request_chain_style += f".with_params(**{params})"
+
+    if "headers" in request:
+        headers = request["headers"]
+        request_chain_style += f".with_headers(**{headers})"
+
+    if "cookies" in request:
+        cookies = request["cookies"]
+        request_chain_style += f".with_cookies(**{cookies})"
+
+    if "data" in request:
+        data = request["data"]
+        if isinstance(data, Text):
+            data = f'"{data}"'
+        request_chain_style += f".with_data({data})"
+
+    if "timeout" in request:
+        timeout = request["timeout"]
+        request_chain_style += f".set_timeout({timeout})"
+
+    if "verify" in request:
+        verify = request["verify"]
+        request_chain_style += f".set_verify({verify})"
+
+    if "allow_redirects" in request:
+        allow_redirects = request["allow_redirects"]
+        request_chain_style += f".set_allow_redirects({allow_redirects})"
+
+    return request_chain_style
+
+
+def make_teststep_chain_style(teststep: Dict) -> Text:
+    if teststep.get("request"):
+        step_info = f'RunRequest("{teststep["name"]}")'
+    elif teststep.get("testcase"):
+        step_info = f'RunTestCase("{teststep["name"]}")'
+    else:
+        raise exceptions.TestCaseFormatError
+
+    if "variables" in teststep:
+        variables = teststep["variables"]
+        step_info += f".with_variables(**{variables})"
+
+    if teststep.get("request"):
+        step_info += make_request_chain_style(teststep["request"])
+    elif teststep.get("testcase"):
+        testcase = teststep["testcase"].replace("CLS_LB(", "").replace(")CLS_RB", "")
+        call_ref_testcase = f".call({testcase})"
+        step_info += call_ref_testcase
+
+    if "extract" in teststep:
+        step_info += ".extract()"
+
+        for extract_name, extract_path in teststep["extract"].items():
+            step_info += f'.with_jmespath("{extract_path}", "{extract_name}")'
+
+    if "validate" in teststep:
+        step_info += ".validate()"
+
+        for v in teststep["validate"]:
+            validator = uniform_validator(v)
+            assert_method = validator["assert"]
+            check = validator["check"]
+            expect = validator["expect"]
+            if isinstance(expect, Text):
+                expect = f'"{expect}"'
+            step_info += f'.assert_{assert_method}("{check}", {expect})'
+
+    return f"Step({step_info})"
+
+
 def __make_testcase(
-    testcase: Dict, dir_path: Text = None, ref_flag: bool = False
+    testcase: Dict,
+    dir_path: Text = None,
+    ref_flag: bool = False,
+    chain_style: bool = False,
 ) -> NoReturn:
     """convert valid testcase dict to pytest file path"""
     # ensure compatibility with testcase format v2
@@ -195,12 +322,20 @@ def __make_testcase(
     data = {
         "testcase_path": __ensure_cwd_relative(testcase_path),
         "class_name": f"TestCase{testcase_cls_name}",
-        "config": config,
-        "teststeps": teststeps,
         "imports_list": imports_list,
     }
-    content = __TEMPLATE__.render(data)
-    content = content.replace("'CLS_LB(", "").replace(")CLS_RB'", "")
+
+    if chain_style:
+        data["config_chain_style"] = make_config_chain_style(config)
+        data["teststeps_chain_style"] = [
+            make_teststep_chain_style(step) for step in teststeps
+        ]
+        content = __TEMPLATE_CHAIN_STYLE__.render(data)
+    else:
+        data["config"] = config
+        data["teststeps"] = teststeps
+        content = __TEMPLATE__.render(data)
+        content = content.replace("'CLS_LB(", "").replace(")CLS_RB'", "")
 
     with open(testcase_python_path, "w", encoding="utf-8") as f:
         f.write(content)
@@ -213,7 +348,7 @@ def __make_testcase(
         make_files_cache_set.add(__ensure_cwd_relative(testcase_python_path))
 
 
-def __make_testsuite(testsuite: Dict) -> NoReturn:
+def __make_testsuite(testsuite: Dict, chain_style: bool = False) -> NoReturn:
     """convert valid testsuite dict to pytest folder with testcases"""
     # validate testsuite format
     load_testsuite(testsuite)
@@ -258,10 +393,12 @@ def __make_testsuite(testsuite: Dict) -> NoReturn:
         testcase_dict["config"]["variables"].update(testsuite_variables)
 
         # make testcase
-        __make_testcase(testcase_dict, testsuite_dir)
+        __make_testcase(testcase_dict, testsuite_dir, chain_style=chain_style)
 
 
-def __make(tests_path: Text, ref_flag: bool = False) -> NoReturn:
+def __make(
+    tests_path: Text, ref_flag: bool = False, chain_style: bool = False
+) -> NoReturn:
     """ make testcase(s) with testcase/testsuite/folder absolute path
         generated pytest file path will be cached in make_files_cache_set
 
@@ -295,14 +432,16 @@ def __make(tests_path: Text, ref_flag: bool = False) -> NoReturn:
         # testcase
         if "teststeps" in test_content:
             try:
-                __make_testcase(test_content, ref_flag=ref_flag)
+                __make_testcase(
+                    test_content, ref_flag=ref_flag, chain_style=chain_style
+                )
             except exceptions.TestCaseFormatError:
                 continue
 
         # testsuite
         elif "testcases" in test_content:
             try:
-                __make_testsuite(test_content)
+                __make_testsuite(test_content, chain_style=chain_style)
             except exceptions.TestSuiteFormatError:
                 continue
 
@@ -313,12 +452,12 @@ def __make(tests_path: Text, ref_flag: bool = False) -> NoReturn:
             )
 
 
-def main_make(tests_paths: List[Text]) -> List[Text]:
+def main_make(tests_paths: List[Text], chain_style: bool = False) -> List[Text]:
     for tests_path in tests_paths:
         if not os.path.isabs(tests_path):
             tests_path = os.path.join(os.getcwd(), tests_path)
 
-        __make(tests_path)
+        __make(tests_path, chain_style=chain_style)
 
     testcase_path_list = list(make_files_cache_set)
     __format_pytest_with_black(testcase_path_list)
@@ -334,5 +473,11 @@ def init_make_parser(subparsers):
     parser.add_argument(
         "testcase_path", nargs="*", help="Specify YAML/JSON testcase file/folder path"
     )
+    parser.add_argument(
+        "--chain-style",
+        dest="chain_style",
+        action="store_true",
+        help="Convert pytest files in chain-style.",
+    )
 
     return parser
diff --git a/httprunner/runner.py b/httprunner/runner.py
index 9a1c4774..b2c9060f 100644
--- a/httprunner/runner.py
+++ b/httprunner/runner.py
@@ -20,7 +20,7 @@ from httprunner.ext.uploader import prepare_upload_step
 from httprunner.loader import load_project_meta, load_testcase_file
 from httprunner.parser import build_url, parse_data, parse_variables_mapping
 from httprunner.response import ResponseObject
-from httprunner.testcase import Config, StepValidation
+from httprunner.testcase import Config, Step
 from httprunner.schema import (
     TConfig,
     TStep,
@@ -36,7 +36,7 @@ from httprunner.schema import (
 
 class HttpRunner(object):
     config: Union[TConfig, Config]
-    teststeps: List[Union[TStep, StepValidation]]
+    teststeps: List[Union[TStep, Step]]
 
     success: bool = True  # indicate testcase execution result
     __config: TConfig
@@ -64,7 +64,7 @@ class HttpRunner(object):
         for step in self.teststeps:
             if isinstance(step, TStep):
                 self.__teststeps.append(step)
-            elif isinstance(step, StepValidation):
+            elif isinstance(step, Step):
                 self.__teststeps.append(step.perform())
             else:
                 raise exceptions.TestCaseFormatError(f"step type error: {step}")
diff --git a/httprunner/testcase.py b/httprunner/testcase.py
index a2af4c4a..1f772a2a 100644
--- a/httprunner/testcase.py
+++ b/httprunner/testcase.py
@@ -1,5 +1,5 @@
 import inspect
-from typing import Text, Any, Dict, Callable
+from typing import Text, Any, Union, Callable
 
 from httprunner.schema import (
     TConfig,
@@ -50,154 +50,166 @@ class Config(object):
         )
 
 
-class RequestWithOptionalArgs(object):
-    def __init__(self, method: MethodEnum, url: Text):
-        self.__method = method
-        self.__url = url
-        self.__params = {}
-        self.__headers = {}
-        self.__cookies = {}
-        self.__data = ""
-        self.__timeout = 120
-        self.__allow_redirects = True
-        self.__verify = False
-
-    def with_params(self, **params) -> "RequestWithOptionalArgs":
-        self.__params.update(params)
-        return self
-
-    def with_headers(self, **headers) -> "RequestWithOptionalArgs":
-        self.__headers.update(headers)
-        return self
-
-    def with_cookies(self, **cookies) -> "RequestWithOptionalArgs":
-        self.__cookies.update(cookies)
-        return self
-
-    def with_data(self, data) -> "RequestWithOptionalArgs":
-        self.__data = data
-        return self
-
-    def set_timeout(self, timeout: float) -> "RequestWithOptionalArgs":
-        self.__timeout = timeout
-        return self
-
-    def set_verify(self, verify: bool) -> "RequestWithOptionalArgs":
-        self.__verify = verify
-        return self
-
-    def set_allow_redirects(self, allow_redirects: bool) -> "RequestWithOptionalArgs":
-        self.__allow_redirects = allow_redirects
-        return self
-
-    def perform(self) -> TRequest:
-        """build TRequest object with configs"""
-        return TRequest(
-            method=self.__method,
-            url=self.__url,
-            params=self.__params,
-            headers=self.__headers,
-            data=self.__data,
-            timeout=self.__timeout,
-            verify=self.__verify,
-            allow_redirects=self.__allow_redirects,
-        )
-
-
-class Request(object):
-    def get(self, url: Text) -> RequestWithOptionalArgs:
-        return RequestWithOptionalArgs(MethodEnum.GET, url)
-
-    def post(self, url: Text) -> RequestWithOptionalArgs:
-        return RequestWithOptionalArgs(MethodEnum.POST, url)
-
-    def put(self, url: Text) -> RequestWithOptionalArgs:
-        return RequestWithOptionalArgs(MethodEnum.PUT, url)
-
-    def head(self, url: Text) -> RequestWithOptionalArgs:
-        return RequestWithOptionalArgs(MethodEnum.HEAD, url)
-
-    def delete(self, url: Text) -> RequestWithOptionalArgs:
-        return RequestWithOptionalArgs(MethodEnum.DELETE, url)
-
-    def options(self, url: Text) -> RequestWithOptionalArgs:
-        return RequestWithOptionalArgs(MethodEnum.OPTIONS, url)
-
-    def patch(self, url: Text) -> RequestWithOptionalArgs:
-        return RequestWithOptionalArgs(MethodEnum.PATCH, url)
-
-
 class StepValidation(object):
-    def __init__(
-        self,
-        name: Text,
-        variables: Dict,
-        extractors: Dict,
-        request: TRequest = None,
-        testcase: Callable = None,
-    ):
-        self.__name = name
-        self.__variables = variables
-        self.__extractors = extractors
-        self.__request: TRequest = request
-        self.__testcase: Callable = testcase
-        self.__validators = []
-
-    @property
-    def request(self) -> TRequest:
-        return self.__request
-
-    @property
-    def testcase(self) -> TestCase:
-        return self.__testcase
+    def __init__(self, step: TStep):
+        self.__t_step = step
 
     def assert_equal(self, jmes_path: Text, expected_value: Any) -> "StepValidation":
-        self.__validators.append({"eq": [jmes_path, expected_value]})
+        self.__t_step.validators.append({"eq": [jmes_path, expected_value]})
         return self
 
     def assert_greater_than(
         self, jmes_path: Text, expected_value: Any
     ) -> "StepValidation":
-        self.__validators.append({"gt": [jmes_path, expected_value]})
+        self.__t_step.validators.append({"gt": [jmes_path, expected_value]})
         return self
 
     def assert_less_than(
         self, jmes_path: Text, expected_value: Any
     ) -> "StepValidation":
-        self.__validators.append({"lt": [jmes_path, expected_value]})
+        self.__t_step.validators.append({"lt": [jmes_path, expected_value]})
         return self
 
     def perform(self) -> TStep:
-        return TStep(
-            name=self.__name,
-            variables=self.__variables,
-            request=self.__request,
-            testcase=self.__testcase,
-            extract=self.__extractors,
-            validate=self.__validators,
-        )
+        return self.__t_step
+
+
+class StepExtraction(object):
+    def __init__(self, step: TStep):
+        self.__t_step = step
+
+    def with_jmespath(self, jmes_path: Text, var_name: Text) -> "StepExtraction":
+        self.__t_step.extract[var_name] = jmes_path
+        return self
+
+    # def with_regex(self):
+    #     # TODO: extract response html with regex
+    #     pass
+    #
+    # def with_jsonpath(self):
+    #     # TODO: extract response json with jsonpath
+    #     pass
+
+    def validate(self) -> StepValidation:
+        return StepValidation(self.__t_step)
+
+    def perform(self) -> TStep:
+        return self.__t_step
+
+
+class RequestWithOptionalArgs(object):
+    def __init__(self, step: TStep):
+        self.__t_step = step
+
+    def with_params(self, **params) -> "RequestWithOptionalArgs":
+        self.__t_step.request.params.update(params)
+        return self
+
+    def with_headers(self, **headers) -> "RequestWithOptionalArgs":
+        self.__t_step.request.headers.update(headers)
+        return self
+
+    def with_cookies(self, **cookies) -> "RequestWithOptionalArgs":
+        self.__t_step.request.cookies.update(cookies)
+        return self
+
+    def with_data(self, data) -> "RequestWithOptionalArgs":
+        self.__t_step.request.data = data
+        return self
+
+    def set_timeout(self, timeout: float) -> "RequestWithOptionalArgs":
+        self.__t_step.request.timeout = timeout
+        return self
+
+    def set_verify(self, verify: bool) -> "RequestWithOptionalArgs":
+        self.__t_step.request.verify = verify
+        return self
+
+    def set_allow_redirects(self, allow_redirects: bool) -> "RequestWithOptionalArgs":
+        self.__t_step.request.allow_redirects = allow_redirects
+        return self
+
+    # def hooks(self):
+    #     pass
+
+    def extract(self) -> StepExtraction:
+        return StepExtraction(self.__t_step)
+
+    def validate(self) -> StepValidation:
+        return StepValidation(self.__t_step)
+
+    def perform(self) -> TStep:
+        return self.__t_step
+
+
+class RunRequest(object):
+    def __init__(self, name: Text):
+        self.__t_step = TStep(name=name)
+
+    def with_variables(self, **variables) -> "RunRequest":
+        self.__t_step.variables.update(variables)
+        return self
+
+    def get(self, url: Text) -> RequestWithOptionalArgs:
+        self.__t_step.request = TRequest(method=MethodEnum.GET, url=url)
+        return RequestWithOptionalArgs(self.__t_step)
+
+    def post(self, url: Text) -> RequestWithOptionalArgs:
+        self.__t_step.request = TRequest(method=MethodEnum.POST, url=url)
+        return RequestWithOptionalArgs(self.__t_step)
+
+    def put(self, url: Text) -> RequestWithOptionalArgs:
+        self.__t_step.request = TRequest(method=MethodEnum.PUT, url=url)
+        return RequestWithOptionalArgs(self.__t_step)
+
+    def head(self, url: Text) -> RequestWithOptionalArgs:
+        self.__t_step.request = TRequest(method=MethodEnum.HEAD, url=url)
+        return RequestWithOptionalArgs(self.__t_step)
+
+    def delete(self, url: Text) -> RequestWithOptionalArgs:
+        self.__t_step.request = TRequest(method=MethodEnum.DELETE, url=url)
+        return RequestWithOptionalArgs(self.__t_step)
+
+    def options(self, url: Text) -> RequestWithOptionalArgs:
+        self.__t_step.request = TRequest(method=MethodEnum.OPTIONS, url=url)
+        return RequestWithOptionalArgs(self.__t_step)
+
+    def patch(self, url: Text) -> RequestWithOptionalArgs:
+        self.__t_step.request = TRequest(method=MethodEnum.PATCH, url=url)
+        return RequestWithOptionalArgs(self.__t_step)
+
+
+class RunTestCase(object):
+    def __init__(self, name: Text):
+        self.__t_step = TStep(name=name)
+
+    def with_variables(self, **variables) -> "RunTestCase":
+        self.__t_step.variables.update(variables)
+        return self
+
+    def call(self, testcase: Callable):
+        self.__t_step.testcase = testcase
+
+    def perform(self) -> TStep:
+        return self.__t_step
 
 
 class Step(object):
-    def __init__(self, name: Text):
-        self.__name = name
-        self.__variables = {}
-        self.__extractors = {}
+    def __init__(
+        self,
+        step: Union[
+            StepValidation, StepExtraction, RequestWithOptionalArgs, RunTestCase
+        ],
+    ):
+        self.__t_step = step.perform()
 
-    def with_variables(self, **variables) -> "Step":
-        self.__variables.update(variables)
-        return self
+    @property
+    def request(self) -> TRequest:
+        return self.__t_step.request
 
-    def set_extractor(self, var_name: Text, jmes_path: Text) -> "Step":
-        self.__extractors[var_name] = jmes_path
-        return self
+    @property
+    def testcase(self) -> TestCase:
+        return self.__t_step.testcase
 
-    def run_request(self, req_obj: RequestWithOptionalArgs) -> "StepValidation":
-        return StepValidation(
-            self.__name, self.__variables, self.__extractors, request=req_obj.perform()
-        )
-
-    def run_testcase(self, testcase: Callable) -> "StepValidation":
-        return StepValidation(
-            self.__name, self.__variables, self.__extractors, testcase=testcase
-        )
+    def perform(self) -> TStep:
+        return self.__t_step
diff --git a/tests/make_test.py b/tests/make_test.py
index 7884910e..703f5f10 100644
--- a/tests/make_test.py
+++ b/tests/make_test.py
@@ -1,6 +1,12 @@
 import unittest
 
-from httprunner.make import main_make, convert_testcase_path, make_files_cache_set
+from httprunner.make import (
+    main_make,
+    convert_testcase_path,
+    make_files_cache_set,
+    make_config_chain_style,
+    make_teststep_chain_style,
+)
 
 
 class TestLoader(unittest.TestCase):
@@ -95,3 +101,42 @@ from examples.postman_echo.request_methods.request_with_functions_test import (
             "examples/postman_echo/request_methods/demo_testsuite_yml/request_with_testcase_reference_test.py",
             testcase_python_list,
         )
+
+    def test_make_config_chain_style(self):
+        config = {
+            "name": "request methods testcase: validate with functions",
+            "variables": {"foo1": "bar1", "foo2": 22},
+            "base_url": "https://postman-echo.com",
+            "verify": False,
+            "path": "examples/postman_echo/request_methods/validate_with_functions_test.py",
+        }
+        self.assertEqual(
+            make_config_chain_style(config),
+            """Config("request methods testcase: validate with functions").variables(**{'foo1': 'bar1', 'foo2': 22}).base_url("https://postman-echo.com").verify(False)""",
+        )
+
+    def test_make_teststep_chain_style(self):
+        step = {
+            "name": "get with params",
+            "variables": {"foo1": "bar1", "foo2": 123, "sum_v": "${sum_two(1, 2)}",},
+            "request": {
+                "method": "GET",
+                "url": "/get",
+                "params": {"foo1": "$foo1", "foo2": "$foo2", "sum_v": "$sum_v"},
+                "headers": {"User-Agent": "HttpRunner/${get_httprunner_version()}"},
+            },
+            "testcase": "CLS_LB(TestCaseDemo)CLS_RB",
+            "extract": {
+                "session_foo1": "body.args.foo1",
+                "session_foo2": "body.args.foo2",
+            },
+            "validate": [
+                {"eq": ["status_code", 200]},
+                {"eq": ["body.args.sum_v", "3"]},
+            ],
+        }
+        teststep_chain_style = make_teststep_chain_style(step)
+        self.assertEqual(
+            teststep_chain_style,
+            """Step(RunRequest("get with params").with_variables(**{'foo1': 'bar1', 'foo2': 123, 'sum_v': '${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.foo1", "session_foo1").with_jmespath("body.args.foo2", "session_foo2").validate().assert_equal("status_code", 200).assert_equal("body.args.sum_v", "3"))""",
+        )