diff --git a/.gitignore b/.gitignore
index a13f197..cde6f02 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,6 +24,7 @@ main.spec
 build/
 config.ini
 ntchat/wc/*.pyd
+ntchat/wc/*.dat
 wheelhouse/
 setup_conf.py
 upload.bat
\ No newline at end of file
diff --git a/README.md b/README.md
index 54a5e9f..f0663e1 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 <h1 align="center">NtChat</h1>
 <p align="center">
-    <a href="https://github.com/smallevilbeast/ntchat/releases"><img src="https://img.shields.io/badge/release-0.1.4-blue.svg?" alt="release"></a>
+    <a href="https://github.com/smallevilbeast/ntchat/releases"><img src="https://img.shields.io/badge/release-0.1.5-blue.svg?" alt="release"></a>
     <a href="https://opensource.org/licenses/MIT"><img src="https://img.shields.io/badge/License-MIT-brightgreen.svg?" alt="License"></a>
 </p>
 
diff --git a/ntchat/conf/__init__.py b/ntchat/conf/__init__.py
index cf6db60..71adb14 100644
--- a/ntchat/conf/__init__.py
+++ b/ntchat/conf/__init__.py
@@ -1,4 +1,4 @@
-VERSION = '0.1.4'
+VERSION = '0.1.5'
 
 LOG_LEVEL = "DEBUG"
 LOG_KEY = 'NTCHAT_LOG'
diff --git a/ntchat/utils/xdg.py b/ntchat/utils/xdg.py
index 339972e..7825678 100644
--- a/ntchat/utils/xdg.py
+++ b/ntchat/utils/xdg.py
@@ -23,7 +23,7 @@ def get_wc_dir():
 
 
 def get_helper_file(version):
-    return os.path.join(get_wc_dir(), f"helper_{version}.pyd")
+    return os.path.join(get_wc_dir(), f"helper_{version}.dat")
 
 
 def get_support_download_url():
diff --git a/setup.py b/setup.py
index 1d4cc26..23484d6 100644
--- a/setup.py
+++ b/setup.py
@@ -194,7 +194,7 @@ extension.extra_compile_cpp_args = extra_compile_cpp_args[target_os]
 
 setup(
     name='ntchat',
-    version='0.1.4',
+    version='0.1.5',
     description='About Conversational RPA SDK for Chatbot Makers',
     long_description="",
     long_description_content_type='text/markdown',
@@ -211,7 +211,7 @@ setup(
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10'
     ],
-    package_data={"": ["py.typed", "*.pyi", "helper*.pyd"]},
+    package_data={"": ["py.typed", "*.pyi", "helper*.dat"]},
     include_package_data=False,
     packages=find_packages(include=['ntchat', 'ntchat.*']),
     keywords='wechat ntchat pywechat rebot',