insert empty ration, rationAssList undefined, refresh display error

web/building_saas/main/js/views/glj_view.js

@@ -474,7 +474,7 @@ var gljOprObj = {
         this.coeSheetData=coeList;
     },
     showRationAssData:function (node) {
-        var assList = node.data.rationAssList;
+        var assList = node.data.rationAssList ? node.data.rationAssList : [];
         sheetCommonObj.showData(this.assSheet,this.assSetting,assList);
         this.assSheetData =assList;
     },