diff --git a/wwwroot/API.md b/wwwroot/API.md
index f86871b..a9307ea 100644
--- a/wwwroot/API.md
+++ b/wwwroot/API.md
@@ -14,7 +14,7 @@
 	{
 		"status": "ok",
 		"data": {
-			"sms_code":
+			"key":					# 密钥，需要在登录时带回
 		}
 	}
 ```
@@ -34,6 +34,7 @@
 ```
 	{
 		"cellphone":
+		"key":						# 生成验证码时后台返回的key
 		"sms_code":
 	}
 ```