fix：消息通知表格调整时间排序

src/components/task/mounTaskComponents/messageNotify.vue

@@ -4,6 +4,7 @@
       style="width: 100%; margin-top: 20px"
       border
       :data="localFormData"
+      :default-sort="{ prop: 'createTime', order: 'descending' }"
     >
       <el-table-column prop="id" label="序号" width="80" align="center">
         <template slot-scope="scope">
@@ -41,9 +42,15 @@
       <el-table-column
         prop="createTime"
         label="发送时间"
-        width="100"
+        width="120"
         align="center"
-      ></el-table-column>
+        sortable
+      >
+        <template slot-scope="scope">
+          <div>{{ scope.row.createTime.split(' ')[0] }}</div>
+          <div>{{ scope.row.createTime.split(' ')[1] }}</div>
+        </template>
+      </el-table-column>
     </el-table>
     <el-pagination
       background