修复导航栏显示路径问题

app/_layout.tsx

@@ -39,6 +39,7 @@ export default function RootLayout() {
             <Stack.Screen name="agreement" options={{ headerShown: false }} />
             <Stack.Screen name="profile" options={{ headerShown: false }} />
             <Stack.Screen name="test" options={{ headerShown: false }} />
+            <Stack.Screen name="lottery" options={{ headerShown: false }} />
             <Stack.Screen name="modal" options={{ presentation: 'modal', title: 'Modal' }} />
           </Stack>
           <StatusBar style="auto" />