diff --git a/examples/postman_echo/request_methods/request_with_parameters_test.py b/examples/postman_echo/request_methods/request_with_parameters_test.py
new file mode 100644
index 00000000..8b1e7ca6
--- /dev/null
+++ b/examples/postman_echo/request_methods/request_with_parameters_test.py
@@ -0,0 +1,54 @@
+# NOTE: Generated By HttpRunner v3.1.3
+# FROM: request_methods/request_with_parameters.yml
+
+from httprunner import HttpRunner, Config, Step, RunRequest, RunTestCase
+
+
+class TestCaseRequestWithParameters(HttpRunner):
+
+    import pytest
+    from httprunner.parser import parse_parameters
+
+    param = [
+        {
+            "user_agent": ["iOS/10.1", "iOS/10.2"],
+            "username-password": "${parameterize(request_methods/account.csv)}",
+            "app_version": "${get_app_version()}",
+        }
+    ]
+
+    @pytest.mark.parametrize("parameters", parse_parameters(param))
+    def test_start(self, parameters):
+        super().test_start(parameters)
+
+    config = (
+        Config("request methods testcase: validate with parameters")
+        .variables(**{"app_version": "f1"})
+        .base_url("https://postman-echo.com")
+        .verify(False)
+    )
+
+    teststeps = [
+        Step(
+            RunRequest("get with params")
+            .with_variables(
+                **{
+                    "foo1": "$username",
+                    "foo2": "$password",
+                    "sum_v": "${sum_two(1, $app_version)}",
+                }
+            )
+            .get("/get")
+            .with_params(**{"foo1": "$foo1", "foo2": "$foo2", "sum_v": "$sum_v"})
+            .with_headers(**{"User-Agent": "$user_agent,$app_version"})
+            .extract()
+            .with_jmespath("body.args.foo2", "session_foo2")
+            .validate()
+            .assert_equal("status_code", 200)
+            .assert_string_equals("body.args.sum_v", "${sum_two(1, $app_version)}")
+        ),
+    ]
+
+
+if __name__ == "__main__":
+    TestCaseRequestWithParameters().test_start()
diff --git a/httprunner/runner.py b/httprunner/runner.py
index d2129f03..2406acd1 100644
--- a/httprunner/runner.py
+++ b/httprunner/runner.py
@@ -421,7 +421,7 @@ class HttpRunner(object):
             step_datas=self.__step_datas,
         )
 
-    def test_start(self, parametrize=None) -> "HttpRunner":
+    def test_start(self, parameters: Dict = None) -> "HttpRunner":
         """main entrance, discovered by pytest"""
         self.__init_tests__()
         self.__project_meta = self.__project_meta or load_project_meta(
@@ -435,8 +435,8 @@ class HttpRunner(object):
 
         # parse config name
         config_variables = self.__config.variables
-        if parametrize:
-            config_variables.update(parametrize)
+        if parameters:
+            config_variables.update(parameters)
         config_variables.update(self.__session_variables)
         self.__config.name = parse_data(
             self.__config.name, config_variables, self.__project_meta.functions