style(ReviewPopup): 为按钮添加 block 属性以改善布局

@@ -11,8 +11,8 @@
             </div>
             <van-field v-model="note" rows="3" type="textarea" placeholder="请输入您的评价内容" class="mb-4" />
             <div class="flex justify-end space-x-3">
-                <van-button round plain @click="handleCancel">取消</van-button>
-                <van-button round type="primary" color="#4CAF50" @click="handleSubmit">提交</van-button>
+                <van-button round plain block @click="handleCancel">取消</van-button>
+                <van-button round block type="primary" color="#4CAF50" @click="handleSubmit">提交</van-button>
             </div>
         </div>
     </van-popup>