fix: 协议管理单选框使用 label 属性

Co-authored-by: Cursor <cursoragent@cursor.com>

src/views/miniapp/XieyiManage.vue

@@ -72,8 +72,8 @@
         </el-form-item>
         <el-form-item label="展示模式">
           <el-radio-group v-model="form.mode">
-            <el-radio :value="2">文字模式</el-radio>
-            <el-radio :value="1">纯图片模式</el-radio>
+            <el-radio :label="2">文字模式</el-radio>
+            <el-radio :label="1">纯图片模式</el-radio>
           </el-radio-group>
         </el-form-item>
         <el-form-item label="前端标题">