fix bug

src/views/task/component/task.vue

@@ -338,7 +338,7 @@ export default {
       this.resultFileInfo()
     },
     fetchIndex(list, key) {
-      1st index = list.findIndex(ele => ele.value === key)
+      const index = list.findIndex(ele => ele.value === key)
       if (index > -1) {
         list.map(ele => {
           ele.checked = false