diff --git a/modules/account/back/methods/account/sync.js b/modules/account/back/methods/account/sync.js
index 3ab19eed5..c4f9cb181 100644
--- a/modules/account/back/methods/account/sync.js
+++ b/modules/account/back/methods/account/sync.js
@@ -25,8 +25,10 @@ module.exports = Self => {
     });
 
     Self.sync = async function(userName, password, force, options) {
+        const models = Self.app.models;
         const myOptions = {};
-
+        let tx;
+        
         if (typeof options == 'object')
             Object.assign(myOptions, options);
 
@@ -35,16 +37,23 @@ module.exports = Self => {
             myOptions.transaction = tx;
         };
 
-        const models = Self.app.models;
-        const user = await models.VnUser.findOne({
-            fields: ['id'],
-            where: {name: userName}
-        }, myOptions);
-        const isSync = !await models.UserSync.exists(userName, myOptions);
+        try {
+            const user = await models.VnUser.findOne({
+                fields: ['id'],
+                where: {name: userName}
+            }, myOptions);
+            const isSync = !await models.UserSync.exists(userName, myOptions);
 
-        if (!force && isSync && user) return;
-        await models.AccountConfig.syncUser(userName, password);
-        await models.UserSync.destroyById(userName, myOptions);
+            if (!force && isSync && user) {
+                if (tx) await tx.rollback();
+                return;
+            }
+            await models.AccountConfig.syncUser(userName, password);
+            await models.UserSync.destroyById(userName, myOptions);
+            if (tx) await tx.commit();
+        } catch (err) {
+            if (tx) await tx.rollback();
+            throw err;
+        }
     };
 };
-