选择封面模式为内容封面时 不可改变图片

src/views/operation/recommend/detail.vue

@@ -37,7 +37,7 @@
           </el-select>
         </el-form-item>
         <el-form-item v-if="'pic' in item" label="图片：">
-          <Upload listType="picture-card" :url="item.pic" @upload="upload($event, item)" :disabled="isRead" />
+          <Upload listType="picture-card" :url="item.pic" @upload="upload($event, item)" :disabled="isRead || item.isCustom === 1" />
         </el-form-item>
         <el-form-item v-if="'sort' in item" label="排序：">
           <el-input-number v-model="item.sort" />