diff --git a/components/layout/H5TopBar.tsx b/components/layout/H5TopBar.tsx
index 8bb3e93..f3057cb 100644
--- a/components/layout/H5TopBar.tsx
+++ b/components/layout/H5TopBar.tsx
@@ -280,16 +280,14 @@ export default function H5TopBar({ onSelectHomeTab }: H5TopBarProps) {
                         height={undefined}
                         bodyStyle={{ padding: 0 }}
                         maskClosable
-                        zIndex={59}
                         // 64px 顶栏高度 + 8px 安全间距
-                        maskStyle={{ position: 'absolute', top: '4rem', height: 'calc(100dvh - 4rem)', backgroundColor: 'transparent' }}
+                        maskStyle={{ position: 'absolute', top: '3.5rem', height: 'calc(100dvh - 3.5rem)', backgroundColor: 'transparent' }}
                         styles={{
-                          content: { position: 'absolute', top: '4rem', height: isHome ? 'auto' : 'calc(100dvh - 4rem)' },
+                          content: { position: 'absolute', top: '3.5rem', height: isHome ? 'auto' : 'calc(100dvh - 3.5rem)' },
                           body: { padding: 0 },
                           header: { display: 'none' },
-                          mask: { position: 'absolute', top: '4rem', height: 'calc(100dvh - 4rem)', backgroundColor: 'transparent' },
+                          mask: { position: 'absolute', top: '3.5rem', height: 'calc(100dvh - 3.5rem)', backgroundColor: 'transparent' },
                         }}
-                        rootStyle={{ zIndex: 59 }}
                         className="[&_.ant-drawer-content]:bg-white [&_.ant-drawer-content]:text-black dark:[&_.ant-drawer-content]:bg-[#0b0b0b] dark:[&_.ant-drawer-content]:text-white dark:[&_.ant-drawer-body]:bg-[#0b0b0b] dark:[&_.ant-drawer-body]:text-white"
                     >
                             <div data-alt="drawer-container" className="h-full flex flex-col">