diff --git a/android-app/接口文档.md b/android-app/接口文档.md
index b292d964..74107bb1 100644
--- a/android-app/接口文档.md
+++ b/android-app/接口文档.md
@@ -89,9 +89,10 @@
 ```json
 {
   "streamerId": 123,
-  "action": "follow"  // 或 "unfollow"
+  "action": "follow"
 }
 ```
+> action 可选值: "follow" 或 "unfollow"
 
 ---