diff --git a/src/contexts/auth/index.tsx b/src/contexts/auth/index.tsx
index a01113a..d4dca3b 100644
--- a/src/contexts/auth/index.tsx
+++ b/src/contexts/auth/index.tsx
@@ -110,6 +110,12 @@ export const AuthProvider = ({ children }: { children: React.ReactNode }) => {
     }
     // 登出
     const logout = async () => {
+        setTimeout(()=>{
+            const a = document.createElement('a')
+            a.setAttribute('href','https://portal.chuhai.edu.hk/signout')
+            a.setAttribute('target','_blank')
+            a.click()
+        },0)
         setAuthToken(null)
         removeRoleStorage()
         dispatch({