diff --git a/src/pages/ideContainer/sideBar.tsx b/src/pages/ideContainer/sideBar.tsx
index ea114a6..58c33f6 100644
--- a/src/pages/ideContainer/sideBar.tsx
+++ b/src/pages/ideContainer/sideBar.tsx
@@ -22,7 +22,8 @@ import {
   IconPlus,
   IconEyeInvisible,
   IconExpand,
-  IconShrink
+  IconShrink,
+  IconLeft
 } from '@arco-design/web-react/icon';
 import { menuData1, menuData2 } from './config/menuData';
 import { Selected } from '@/pages/ideContainer/types';
@@ -350,8 +351,7 @@ const SideBar: React.FC<SideBarProps> = ({
     }
 
     // 调用外部传入的菜单选择处理函数
-    // 单独针对这个title过滤
-    if (item.title !== '应用列表') onMenuSelect?.({ ...item });
+    onMenuSelect?.({ ...item });
   };
 
   // 监听 selected 状态变化，更新 activeKey
@@ -879,6 +879,15 @@ const SideBar: React.FC<SideBarProps> = ({
               {renderMenuItems(filteredMenu[activeKey]?.children)}
             </Tree>
           </div>
+
+          {/* 底部折叠按钮 */}
+          {!isSubMenuCollapsed && <div
+            className={styles['collapse-btn']}
+            onClick={toggleSubMenu}
+            title="收起侧边栏"
+          >
+            <IconLeft style={{ fontSize: 16 }} />
+          </div>}
         </div>
       </ResizeBox>}
 
diff --git a/src/pages/ideContainer/style/sideBar.module.less b/src/pages/ideContainer/style/sideBar.module.less
index 655aa8a..4d4ec03 100644
--- a/src/pages/ideContainer/style/sideBar.module.less
+++ b/src/pages/ideContainer/style/sideBar.module.less
@@ -65,6 +65,8 @@
   border-right: 1px solid #ddd;
   position: relative;
   border-left: 1px solid #ddd;
+  display: flex;
+  flex-direction: column;
 
   .handle-box {
     display: flex;
@@ -72,6 +74,35 @@
   }
 }
 
+.collapse-btn {
+  position: absolute;
+  bottom: 20px;
+  left: 50%;
+  transform: translateX(-50%);
+  width: 40px;
+  height: 40px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background-color: #fff;
+  border: 1px solid #e5e5e5;
+  border-radius: 50%;
+  cursor: pointer;
+  transition: all 0.2s ease-in-out;
+  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
+  z-index: 10;
+
+  &:hover {
+    background-color: #f5f5f5;
+    border-color: #d0d0d0;
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+  }
+
+  &:active {
+    transform: translateX(-50%) scale(0.95);
+  }
+}
+
 .context-menu {
   background: #fff;
   border-radius: 4px;