🐛 修复日志弹窗无法显示问题

- 修复scheduleModal缺少关闭标签导致scheduleLogsModal被嵌套
- 移除多余的</div>标签

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

templates/index.html

@@ -481,6 +481,7 @@
                 <button class="btn btn-primary" onclick="saveSchedule()">保存</button>
             </div>
         </div>
+    </div>
 
     <!-- 定时任务日志弹窗 -->
     <div class="modal-overlay" id="scheduleLogsModal">
@@ -497,8 +498,6 @@
         </div>
     </div>
 
-    </div>
-
     <!-- 反馈弹窗 -->
     <div class="modal-overlay" id="feedbackModal">
         <div class="modal" style="max-width: 560px;">