diff --git a/app/hdl/hdl_set_center.go b/app/hdl/hdl_set_center.go
index 0006c56..a763ee2 100644
--- a/app/hdl/hdl_set_center.go
+++ b/app/hdl/hdl_set_center.go
@@ -458,7 +458,7 @@ func ShareIndex(c *gin.Context) {
 	}
 
 	medium := new(model.UserAppDomain)
-	_, err = db.Db.Where("type =?", "medium").And("uuid =?", masterId).And("is_ssl =1").Get(agent)
+	_, err = db.Db.Where("type =?", "medium").And("uuid =?", masterId).And("is_ssl =1").Get(medium)
 	if err != nil {
 		e.OutErr(c, e.ERR_DB_ORM, err.Error())
 		return