email limit & password limit

utils/basic/basic.go

@@ -58,6 +58,7 @@ var (
 	CodeEmailExistsErr    = &StatusResponse{5053, "email exists"}                               // email存在
 	CodeEmailTimeShortErr = &StatusResponse{5053, "email with the time of resend is too short"} // email重发的时间太短
 	CodeResetPasswordErr  = &StatusResponse{5054, "reset password error"}                       // 无效密码
+	CodeEmailErr          = &StatusResponse{5054, "email error"}
 
 	CodeSafeValueRangeErr = &StatusResponse{5040, "value not in range"}    // 值不在范围内
 	CodeTemplateErr       = &StatusResponse{5040, "template parsed error"} // 模板解析错误