fix : 修复首页tag报错

src/views/home/index.vue

@@ -114,7 +114,13 @@ const tableConfig = reactive({
       label: '类型',
       align: 'center',
       showOverflowTooltip: false,
-      currentRender: ({row, index}) => (<Tag dictType={'todo_type'} value={row.targetState}/>)
+      currentRender: ({row, index}) => {
+        if(row.targetState!==null){
+          return (<Tag dictType={'todo_type'} value={row.targetState}/>)
+        }else {
+          return '--'
+        }
+      }
     },
     {
       prop: 'submitTime',