优化安装脚本

public/index.html

@@ -395,9 +395,12 @@
                   style="padding: 10px 14px; background: var(--bg-input); border: 1px solid var(--border-color); border-radius: var(--radius-sm); color: var(--text-primary);">
                   <option value="dark">默认夜间模式</option>
                   <option value="light">默认白天模式</option>
-                  <option value="auto">跟随浏览器/系统</option>
                 </select>
               </div>
+              <div class="form-group" style="margin-top: 15px; display: flex; align-items: center; gap: 10px;">
+                <input type="checkbox" id="show95BandwidthInput" style="width: 18px; height: 18px; cursor: pointer;">
+                <label for="show95BandwidthInput" style="cursor: pointer; user-select: none;">24h趋势图默认显示 95计费线</label>
+              </div>
               <div class="form-actions" style="margin-top: 25px; display: flex; justify-content: flex-end;">
                 <button class="btn btn-add" id="btnSaveSiteSettings">保存设置</button>
               </div>