diff --git a/src/components/layout/Sidebar.tsx b/src/components/layout/Sidebar.tsx
index dfc31e6..90c97ad 100644
--- a/src/components/layout/Sidebar.tsx
+++ b/src/components/layout/Sidebar.tsx
@@ -179,8 +179,8 @@ export function Sidebar({
 
           <span
             className={[
-              "min-w-0 flex-1 overflow-hidden transition-all duration-300 ease-[cubic-bezier(0.22,1,0.36,1)]",
-              collapsed ? "w-0 opacity-0 -translate-x-2" : "opacity-100 translate-x-0",
+              "min-w-0 overflow-hidden transition-all duration-300 ease-[cubic-bezier(0.22,1,0.36,1)]",
+              collapsed ? "w-0 flex-none opacity-0 -translate-x-2" : "flex-1 opacity-100 translate-x-0",
             ].join(" ")}
           >
             <span className="block truncate text-sm font-medium text-foreground">
@@ -203,8 +203,8 @@ export function Sidebar({
           onClick={onToggle}
           title={collapsed ? "展开侧栏" : "收起侧栏"}
           className={[
-            "group flex h-10 w-full items-center gap-2 overflow-hidden rounded-full border border-hairline-strong text-sm text-muted-foreground transition-[background-color,color,border-color,transform] duration-200 hover:bg-surface-strong hover:text-foreground active:scale-[0.98]",
-            collapsed ? "justify-center px-0" : "justify-between px-3.5",
+            "group flex h-10 w-full items-center overflow-hidden rounded-full border border-hairline-strong text-sm text-muted-foreground transition-[background-color,color,border-color,transform] duration-200 hover:bg-surface-strong hover:text-foreground active:scale-[0.98]",
+            collapsed ? "justify-center gap-0 px-0" : "justify-between gap-2 px-3.5",
           ].join(" ")}
         >
           <span