diff --git a/src/index.ts b/src/index.ts
index 043babc..0e2c4f8 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -116,9 +116,10 @@ function renderMenu(menuList: MenuItem[]): void {
  * 添加标签页
  * @param tabGroup 标签组
  * @param menuItem 菜单项
+ * @param allowCloseTab 是否允许关闭标签页
  * @returns 标签页
  */
-async function addTabAsync(tabGroup: TabGroup, menuItem: MenuItem): Promise<Tab | null> {
+async function addTabAsync(tabGroup: TabGroup, menuItem: MenuItem, allowCloseTab: boolean = true): Promise<Tab | null> {
   const url: string = menuItem.Url.startsWith("http") ? menuItem.Url : `http://${menuItem.Url}`;
   const result: { ok: boolean; status: number; message?: string } = await window.electronAPI.checkUrlAvailable(url);
   if (result.ok && result.status >= 200 && result.status < 400) {
@@ -140,7 +141,7 @@ async function addTabAsync(tabGroup: TabGroup, menuItem: MenuItem): Promise<Tab
 
   const tab: Tab = tabGroup.addTab({
     active: true,
-    closable: true,
+    closable: allowCloseTab,
     title: menuItem.ShowName,
     src: url,
     iconURL: menuItem.IconConfig._1x.Default,
@@ -401,7 +402,7 @@ async function initialize(): Promise<void> {
 
     // Create initial tab
     const firstMenuItem: MenuItem = menuList[0];
-    await addTabAsync(tabGroup, firstMenuItem);
+    await addTabAsync(tabGroup, firstMenuItem, false);
 
     // Bind help icon click event
     const helpMenuItem: MenuItem = menuList[menuList.length - 2];