diff --git a/apps/blogai/components/user-menu.tsx b/apps/blogai/components/user-menu.tsx
index 6999d84..2962d1e 100644
--- a/apps/blogai/components/user-menu.tsx
+++ b/apps/blogai/components/user-menu.tsx
@@ -39,7 +39,7 @@ export function UserMenu({ user }: { user: UserData }) {
 
   const router = useRouter()
 
-  const getRandomColor = (name) => {
+  const getRandomColor = (name: string | undefined): string => {
     if (!name) return "#999"; // 默认颜色
     const colors = ["#FF5733", "#33FF57", "#3357FF", "#FF33A8", "#FFC300", "#FF5733", "#57FF33", "#A833FF"];
     const index = name.charCodeAt(0) % colors.length; // 根据名字的首字母选择颜色