diff --git a/business/auth2/authprovider/defauther.go b/business/auth2/authprovider/defauther.go
index bfe816ba3..75280b16c 100644
--- a/business/auth2/authprovider/defauther.go
+++ b/business/auth2/authprovider/defauther.go
@@ -77,6 +77,7 @@ func (a *DefAuther) UnionFindAuthBind(curAuthType string, unionAuthTypeList []st
 				authBindEx = &auth2.AuthBindEx{
 					AuthBind: *authBind,
 				}
+				a.UnbindAuth(authBind.UserID, curAuthType, model.AdminName)
 				err = a.AddAuthBind(authBindEx, model.AdminName) // 自动绑定
 			} else if dao.IsNoRowsError(err) {
 				err = nil
diff --git a/business/jxcallback/auth/weixin/weixin.go b/business/jxcallback/auth/weixin/weixin.go
index 30e2db587..ec3f4346b 100644
--- a/business/jxcallback/auth/weixin/weixin.go
+++ b/business/jxcallback/auth/weixin/weixin.go
@@ -228,6 +228,10 @@ func (a *AutherMiniProgram) Login(mobileNum, code string) (userID, LoginType str
 	if err != nil {
 		return "", "", auth.ConvertErr2NoUser(err, mobileNum)
 	}
+	if user.OpenIDMini != sessionInfo.OpenID {
+		user.OpenIDMini = sessionInfo.OpenID
+		dao.UpdateEntity(db, user, "OpenIDMini")
+	}
 	globals.SugarLogger.Debugf("AutherMiniProgram Login user.Tel:%s, code:%s, openID:%s", user.Tel, code, sessionInfo.OpenID)
 	if mobileNum != user.Tel {