修改

src/components/question/questionlist-form.vue

@@ -9,7 +9,9 @@
     overflow: hidden;
     white-space: nowrap;
     width: 400px;
-
+  }
+  .QuestionisVisible{
+    visibility: hidden;
   }
 
 </style>
@@ -82,9 +84,9 @@
               @click="EditQuestion(props.row)" />
             <q-btn flat size="xs" icon="edit" color="negative" style="font-weight:400" label="删除"
               @click="setQuestionStatus(props.row)"></q-btn>
-            <q-btn flat size="xs" icon="iconfont icon-shangyi2" v-if="props.row.isShowFirst" color="accent" title="上移"
+            <q-btn flat size="xs" icon="iconfont icon-shangyi2" :class="{'QuestionisVisible':!props.row.isShowFirst}" color="accent" title="上移"
               style="font-weight:400;" label="" @click="getUpStatus(props.row,1)"></q-btn>
-            <q-btn flat size="xs" icon="iconfont icon-xiayi" v-if="props.row.isShowLast" color="accent" title="下移"
+            <q-btn flat size="xs" icon="iconfont icon-xiayi" :class="{'QuestionisVisible':!props.row.isShowLast}" color="accent" title="下移"
               style="font-weight:400;" label="" @click="getUpStatus(props.row,2)"></q-btn>
             <q-btn flat size="xs" icon="iconfont icon-fuzhi" color="accent" style="font-weight:400;" label=""
               @click="getCopyItem(props.row)"></q-btn>