fix somebug

packages/qjkankan-editor/src/views/material/audio/index.vue

@@ -70,7 +70,7 @@
             </i>
             <i class="iconfont icon-material_operation_delete hover-tips-warn" @click="del(item)">
               <div>
-                <div class="remark">{{del}}</div>
+                <div class="remark">{{deltips}}</div>
               </div>
             </i>
           </div>

packages/qjkankan-editor/src/views/material/image/index.vue

@@ -70,7 +70,7 @@
             </i>
             <i class="iconfont icon-material_operation_delete hover-tips-warn" @click="del(item)">
               <div>
-                <div class="remark">{{del}}</div>
+                <div class="remark">{{deltips}}</div>
               </div>
             </i>
           </div>

packages/qjkankan-editor/src/views/material/video/index.vue

@@ -70,7 +70,7 @@
             </i>
             <i class="iconfont icon-material_operation_delete hover-tips-warn" @click="del(item)">
               <div>
-                <div class="remark">{{del}}</div>
+                <div class="remark">{{deltips}}</div>
               </div>
             </i>
           </div>