diff --git a/qweather.yml b/qweather.yml
index d9502ca..aa5a232 100644
--- a/qweather.yml
+++ b/qweather.yml
@@ -21,7 +21,7 @@ paths:
         - name: time
           in: path
           required: true
-          description: 天气预报时长
+          description: 天气预报时长(支持3d、7d)
           schema: 
             type: string
             enum: [3d, 7d]