feat：完善信息

app/enterprise/controller/user/instance.go

@@ -66,20 +66,19 @@ func (c *Instance) SwitchIdentity(identity int) error {
 	if c.SelectIdentity == identity {
 		return nil
 	}
+	c.TenantID, c.ManageUID = 0, 0
 	// 已存在相应的身份，更新最后
 	if c.Identity&identity > 0 {
 		mUserManage := model.NewUserManage()
 		// 查询用户身份
-		_, err := model2.FirstField(mUserManage.UserManage, []string{"id", "tenant_id", "name", "uuid"},
+		isExist, err := model2.FirstField(mUserManage.UserManage, []string{"id", "tenant_id", "name", "uuid"},
 			model2.NewWhere("uid", c.UID), model2.NewWhere("identity", identity))
 
 		if err != nil {
 			return err
-		}
-		// 查询用户身份信息
-		now := time.Now()
+		} else if isExist {
+			now := time.Now()
 
-		if mUserManage.ID > 0 {
 			if err = orm.GetDB().Transaction(func(tx *gorm.DB) error {
 				if err = model2.UpdatesWhere(mUserManage.UserManage, map[string]interface{}{
 					"selected": model2.UserManageSelectedForNo, "updated_at": now,