Updates 家长端服务/接口文档.md

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@@ -21,19 +21,24 @@ POST https://api.boxfish.cn/signup
 }
 ```
 
-登录 
+登录
 
 ```
-POST https://api.boxfish.cn/login 
+POST https://api.boxfish.cn/login
 ```
 
-参数 
+参数
+
+| Name | Type | Descripton |
+| :--- | :--- | :--- |
+| username | String | **必须.** |
+
+username: user161116141352CJHaqctY
 
-  username: user161116141352CJHaqctY
-  
 返回值：
+
 ```json
-    {
+{
       "access_token": "CxCIFCdSFu",
       "id": 70904,
       "code": "success"