diff --git a/src/components/Navbars/HomeNavbar.js b/src/components/Navbars/HomeNavbar.js
index dbc27f9f..dd3e0a05 100644
--- a/src/components/Navbars/HomeNavbar.js
+++ b/src/components/Navbars/HomeNavbar.js
@@ -51,6 +51,8 @@ const SecondaryNav = ({ showCompletenessAlert }) => {
     const location = useLocation();
     const navbarBg = useColorModeValue('gray.50', 'gray.700');
     const itemHoverBg = useColorModeValue('white', 'gray.600');
+    // ⚠️ 必须在组件顶层调用所有Hooks（不能在JSX中调用）
+    const borderColorValue = useColorModeValue('gray.200', 'gray.600');
 
     // 定义二级导航结构
     const secondaryNavConfig = {
@@ -108,7 +110,7 @@ const SecondaryNav = ({ showCompletenessAlert }) => {
         <Box
             bg={navbarBg}
             borderBottom="1px"
-            borderColor={useColorModeValue('gray.200', 'gray.600')}
+            borderColor={borderColorValue}
             py={2}
             position="sticky"
             top={showCompletenessAlert ? "120px" : "60px"}
@@ -301,6 +303,9 @@ const NavItems = ({ isAuthenticated, user }) => {
     const navigate = useNavigate();
     const location = useLocation();
 
+    // ⚠️ 必须在组件顶层调用所有Hooks（不能在JSX中调用）
+    const contactTextColor = useColorModeValue('gray.500', 'gray.300');
+
     // 辅助函数：判断导航项是否激活
     const isActive = useCallback((paths) => {
         return paths.some(path => location.pathname.includes(path));
@@ -452,7 +457,7 @@ const NavItems = ({ isAuthenticated, user }) => {
                         联系我们
                     </MenuButton>
                     <MenuList minW="260px" p={4}>
-                        <Text fontSize="sm" color={useColorModeValue('gray.500', 'gray.300')}>敬请期待</Text>
+                        <Text fontSize="sm" color={contactTextColor}>敬请期待</Text>
                     </MenuList>
                 </Menu>
             </HStack>