fix typo

Author: TommyMerlin

static/index.html

@@ -201,7 +201,7 @@ <h2>创建通知任务</h2>
                     <!-- 渠道管理 -->
                     <div class="channel-management">
                         <h3 style="margin-top: 30px; margin-bottom: 15px; color: var(--text-strong); font-size: 1.2rem;">我的通知渠道</h3>
-                        <button class="btn btn-sm btn-info" onclick="openChannelModal()">保存渠道</button>
+                        <button class="btn btn-sm btn-info" onclick="openChannelModal()">添加渠道</button>
                         <div id="userChannels" class="channel-list">
                             <!-- 动态生成用户渠道列表 -->
                         </div>
@@ -316,7 +316,7 @@ <h2>添加通知渠道</h2>
                     </div>
                 </div>
 
-                <button type="submit" class="btn btn-primary">添加渠道</button>
+                <button type="submit" class="btn btn-primary">保存渠道</button>
             </form>
         </div>
     </div>