diff --git a/business/jxstore/cms/sync.go b/business/jxstore/cms/sync.go
index 939963c6e..9bf024ec8 100644
--- a/business/jxstore/cms/sync.go
+++ b/business/jxstore/cms/sync.go
@@ -1132,7 +1132,7 @@ func syncJdsStoreStock(ctx *jxcontext.Context, db *dao.DaoDB, parentTask tasksch
 	// 		}
 	// 	}
 	// }
-	task := tasksch.NewParallelTask("syncJdsStoreStock", tasksch.NewParallelConfig().SetIsContinueWhenError(isContinueWhenError).SetParallelCount(1), ctx,
+	task := tasksch.NewParallelTask("syncJdsStoreStock", tasksch.NewParallelConfig().SetIsContinueWhenError(isContinueWhenError).SetParallelCount(1).SetBatchSize(20), ctx,
 		func(task *tasksch.ParallelTask, batchItemList []interface{}, params ...interface{}) (retVal interface{}, err error) {
 			storeSku := batchItemList[0].(*model.StoreSkuBind)
 			stock := 0