Update components/Sidebar.tsx

components/Sidebar.tsx

@@ -222,7 +222,7 @@ export const Sidebar: React.FC<SidebarProps> = ({ currentView, onChangeView, use
           
           {/* Fallback for iOS/Manual if prompt missing but not installed */}
           {!isStandalone && !installPrompt && (
-             <div className="px-4 py-2 bg-slate-800 rounded-lg text-[10px] text-slate-400 border border-slate-700 flex gap-2 items-start">
+             <div className="lg:hidden px-4 py-2 bg-slate-800 rounded-lg text-[10px] text-slate-400 border border-slate-700 flex gap-2 items-start">
                  <Smartphone size={14} className="mt-0.5 shrink-0"/>
                  <div>
                      若未显示安装按钮：