diff --git a/README.md b/README.md
index fcdbe85..255cf18 100644
--- a/README.md
+++ b/README.md
@@ -97,7 +97,7 @@ POST /config/set            - 设置配置 {city: "北京", standby_time: "22:00
 ### 常见问题
 
 **Q: 设备无法连接WiFi**
-A: 检查WiFi密码是否正确，或重启设备重新配置
+- A: 检查WiFi密码是否正确，或重启设备重新配置
 
 **Q: 天气数据不更新**
 - A1: 检查网络连接，或尝试强制刷新天气数据
@@ -120,3 +120,4 @@ A: 检查WiFi密码是否正确，或重启设备重新配置
 - 项目主页: https://github.com/kicer/ws2
 - 项目主页: https://iot.foresh.com/git/kicer/ws2
 - 问题反馈: https://github.com/kicer/ws2/issues
+- QQ联络群: 697580459
diff --git a/README_en.md b/README_en.md
index db8191c..034188e 100644
--- a/README_en.md
+++ b/README_en.md
@@ -97,7 +97,7 @@ POST /config/set            - Set configuration {city: "Beijing", standby_time:
 ### Common Issues
 
 **Q: Device cannot connect to WiFi**
-A: Check if the WiFi password is correct, or restart the device to reconfigure
+- A: Check if the WiFi password is correct, or restart the device to reconfigure
 
 **Q: Weather data doesn't update**
 - A1: Check network connection or try force-refreshing weather data
@@ -120,3 +120,4 @@ This project is licensed under the MIT License
 - Project Homepage: https://github.com/kicer/ws2
 - Project Homepage: https://iot.foresh.com/git/kicer/ws2
 - Issue Tracker: https://github.com/kicer/ws2/issues
+- QQ Group: 697580459
diff --git a/docs/ws2.jpg b/docs/ws2.jpg
index b86f681..432b1eb 100644
Binary files a/docs/ws2.jpg and b/docs/ws2.jpg differ