diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 90a7953b..b36a1022 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Release History
 
+## 3.0.6 (2020-05-23)
+
+**Fixed**
+
+- fix: ensure converted python file in utf-8 encoding
+
 ## 3.0.5 (2020-05-22)
 
 **Added**
diff --git a/examples/postman_echo/conftest.py b/examples/postman_echo/conftest.py
deleted file mode 100644
index 139597f9..00000000
--- a/examples/postman_echo/conftest.py
+++ /dev/null
@@ -1,2 +0,0 @@
-
-
diff --git a/httprunner/__init__.py b/httprunner/__init__.py
index 36b1d4d9..d6cc44a1 100644
--- a/httprunner/__init__.py
+++ b/httprunner/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "3.0.5"
+__version__ = "3.0.6"
 __description__ = "One-stop solution for HTTP(S) testing."
 
 from httprunner.runner import HttpRunner
diff --git a/httprunner/ext/make/__init__.py b/httprunner/ext/make/__init__.py
index 80dad535..a1611579 100644
--- a/httprunner/ext/make/__init__.py
+++ b/httprunner/ext/make/__init__.py
@@ -102,7 +102,7 @@ def make_testcase(testcase: Dict) -> Union[str, None]:
     }
     content = template.render(data)
 
-    with open(testcase_python_path, "w") as f:
+    with open(testcase_python_path, "w", encoding="utf-8") as f:
         f.write(content)
 
     logger.info(f"generated testcase: {testcase_python_path}")
diff --git a/pyproject.toml b/pyproject.toml
index 9a499654..f711f3d4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "httprunner"
-version = "3.0.5"
+version = "3.0.6"
 description = "One-stop solution for HTTP(S) testing."
 license = "Apache-2.0"
 readme = "README.md"