解决待办任务切换报错的问题

fhKeeper/formulahousekeeper/timesheet/src/views/task/list.vue

@@ -981,7 +981,10 @@ import { error } from 'dingtalk-jsapi';
                     if(res.code == 'ok') {
                         if(this.user.userNameNeedTranslate == 1) {
                             for(var i in res.data.records) {
-                                let arr = res.data.records[i].executorName.split(',')
+                                let arr = []
+                                if(res.data.records[i].executorName) {
+                                    arr = res.data.records[i].executorName.split(',')
+                                }
                                 res.data.records[i].executorNameList = arr
                             }
                         }