修复编辑图片的bug

src/pages/v2/categories/category.vue

@@ -195,6 +195,7 @@
               :on-success="uploadSuccess2"
               :on-error="uploadError2"
               :data="{ type: 'image' }"
+              :file-list="updateFileList"
               :disabled="urlDisabled">
               <i class="el-icon-plus"></i>
             </el-upload>
@@ -254,7 +255,8 @@ export default {
         pid: 0,
         order: 0,
         url: ''
-      }
+      },
+      updateFileList: []
     }
   },
   mounted() {
@@ -404,6 +406,9 @@ export default {
           this.updateForm.name = opera.row.name
           this.updateForm.tag = opera.row.tag
           this.updateForm.url = opera.row.url
+          if (opera.row.url) {
+            this.updateFileList = [{ url: opera.row.url }]
+          }
           this.updateForm.order = opera.row.order
           this.editCategoryDialogFormVisible = true
           break