diff --git a/Doc/api/error_info_list.md b/Doc/api/error_info_list.md
index 11aff59..cca40a9 100644
--- a/Doc/api/error_info_list.md
+++ b/Doc/api/error_info_list.md
@@ -13,7 +13,7 @@
         },
         {
             "code": 5,
-            "zh-cn": "internal error"
+            "desc": "internal error"
         }
     ],
     
@@ -30,6 +30,10 @@
             "code": 4002,
             "desc": "account no existed"
         },
+        {
+            "code": 4003,
+            "desc": "account has existed"
+        },
         {
             "code": 4004,
             "desc": "account or password error"
@@ -40,4 +44,4 @@
         }
     ]
 }
-```
\ No newline at end of file
+```