diff --git a/VERSION.txt b/VERSION.txt
index d2db2b5..363da30 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-20250731011829
\ No newline at end of file
+20250731020402
\ No newline at end of file
diff --git a/src/components/MobileBottomNav.tsx b/src/components/MobileBottomNav.tsx
index 8a03e2b..70aae9b 100644
--- a/src/components/MobileBottomNav.tsx
+++ b/src/components/MobileBottomNav.tsx
@@ -87,7 +87,11 @@ const MobileBottomNav = ({ activePath }: MobileBottomNavProps) => {
         {navItems.map((item) => {
           const active = isActive(item.href);
           return (
-            <li key={item.href} className='flex-shrink-0 w-20 min-w-20'>
+            <li
+              key={item.href}
+              className='flex-shrink-0'
+              style={{ width: '20vw', minWidth: '20vw' }}
+            >
               <Link
                 href={item.href}
                 className='flex flex-col items-center justify-center w-full h-14 gap-1 text-xs'
diff --git a/src/lib/version.ts b/src/lib/version.ts
index e96b8a2..4d24152 100644
--- a/src/lib/version.ts
+++ b/src/lib/version.ts
@@ -2,7 +2,7 @@
 
 'use client';
 
-const CURRENT_VERSION = '20250731011829';
+const CURRENT_VERSION = '20250731020402';
 
 // 版本检查结果枚举
 export enum UpdateStatus {