diff --git a/docs/face++_CN.md b/docs/face++_CN.md
index 495a50c..283b3fa 100644
--- a/docs/face++_CN.md
+++ b/docs/face++_CN.md
@@ -47,4 +47,8 @@
 python app.py
 ```
 
-![alt text](../assets/face++.png)
\ No newline at end of file
+![alt text](../assets/face++.png)
+
+## 错误码的解释
+
+https://console.faceplusplus.com.cn/documents/4888373
\ No newline at end of file
diff --git a/docs/face++_EN.md b/docs/face++_EN.md
index 264db80..8ca5cca 100644
--- a/docs/face++_EN.md
+++ b/docs/face++_EN.md
@@ -48,4 +48,8 @@ Run the Gradio service, and select "face++" in the "Face Detection Model".
 python app.py
 ```
 
-![alt text](../assets/face++.png)
\ No newline at end of file
+![alt text](../assets/face++.png)
+
+## Explanation of error codes
+
+https://console.faceplusplus.com.cn/documents/4888373
\ No newline at end of file