diff --git a/pages/manage/deviceManage.vue b/pages/manage/deviceManage.vue
index 4c9229d..d765220 100644
--- a/pages/manage/deviceManage.vue
+++ b/pages/manage/deviceManage.vue
@@ -57,7 +57,7 @@
             <view class="bianji" v-if="item.type == '2'" @click="viewFile(item.filePath)">预览</view>
             <view class="bianji" @click="editFile(item.id)">编辑</view>
             <view class="bianji" @click="showHistory(item.id)">历史</view>
-            <view class="sanchu" @click="delFile(item.id)">删除</view>
+            <view class="sanchu" @click="delFile(item.id)" v-if="!item.defaultKey">删除</view>
           </view>
         </view>