diff --git a/en_US/http-api/error-code.md b/en_US/http-api/error-code.md
index d83b7f02..18605332 100644
--- a/en_US/http-api/error-code.md
+++ b/en_US/http-api/error-code.md
@@ -23,8 +23,7 @@ This document describes the errors that neuron will reply to sender when calling
 * 1014    command execution failed
 * 1015    invalid ip address
 * 1016    ip address in use
-* 1017    invalid user
-* 1018    invalid password
+* 1017    request body too large
 
 ## add/del/update node/tag/plugin/group error codes
 
diff --git a/zh_CN/http-api/error-code.md b/zh_CN/http-api/error-code.md
index e805055e..3091ef60 100644
--- a/zh_CN/http-api/error-code.md
+++ b/zh_CN/http-api/error-code.md
@@ -23,8 +23,7 @@
 * 1014    执行指令失败
 * 1015    ip 地址无效
 * 1016    ip 地址已占用
-* 1017    用户名无效
-* 1018    密码无效
+* 1017    请求 body 太大
 
 ## 添加/删除/更新 node/tag/plugin/group 错误代码