diff --git a/controllers/cms_user2.go b/controllers/cms_user2.go
index 0a95d4536..62b064f54 100644
--- a/controllers/cms_user2.go
+++ b/controllers/cms_user2.go
@@ -9,6 +9,7 @@ import (
 	"git.rosy.net.cn/jx-callback/business/authz/autils"
 	"git.rosy.net.cn/jx-callback/business/jxstore/cms"
 	"git.rosy.net.cn/jx-callback/business/jxutils"
+	"git.rosy.net.cn/jx-callback/business/jxutils/jsonerr"
 	"git.rosy.net.cn/jx-callback/business/model"
 	"git.rosy.net.cn/jx-callback/business/model/dao"
 	"github.com/astaxie/beego"
@@ -419,6 +420,11 @@ func (c *Auth2Controller) UpdateUserByMiniInfo() {
 							user.Mobile = utils.String2Pointer(userInfo.PurePhoneNumber)
 						}
 						_, err = dao.UpdateEntity(dao.GetDB(), user)
+						if err != nil && dao.IsDuplicateError(err) {
+							if mobileAuth, err2 := auth2.LoginInternal(params.Ctx.Context, auth2.AuthTypeMobile, userInfo.PurePhoneNumber, auth2.UserIDMobile, auth2.InternalAuthSecret); err2 == nil {
+								err = jsonerr.New(mobileAuth, model.ErrCodeJsonUserAlreadyExist)
+							}
+						}
 					}
 				}
 			}