同步错误返回修改：从task中获取failedList才返回新的同步错

business/jxstore/cms/sync.go

@@ -457,9 +457,7 @@ func (v *VendorSync) SyncStoresSkus2(ctx *jxcontext.Context, parentTask tasksch.
 			return nil, partner.AddVendorInfo2Err(err, loopMapInfo.VendorID)
 		}, isContinueWhenError)
 	if task != nil {
-		if err != nil {
-			err = makeSyncError(err)
-		}
+		err = makeSyncError(err)
 	}
 	return hint, err
 }