删除空编码清单，恢复删除节点无效问题

web/building_saas/main/js/controllers/block_controller.js

@@ -609,7 +609,7 @@ let BlockController = {
             let newID = uuid.v1(); //新的清单ID
             billsIDMap[temData.ID] = newID;
             temData.ID = newID; //新的清单ID
-            if(temData.billsLibId && temData.billsLibId!="" && temData.code.length == 12){//是从清单库来的
+            if(temData.billsLibId && temData.billsLibId!="" && temData.code && temData.code.length == 12){//是从清单库来的
                 let value = temData.code.substr(0,9);
                 if (value&&value.length === 9) {//&& /^[\d]+$/.test(value) 去掉全数字判断    07-31 zhang
                     temData.code = me.newFormatCode(value);