bug fixes

src/composables/useAllData.ts

@@ -106,7 +106,7 @@ export function useUser() {
   const userValue = ref(me?.sso_id)
   async function fetchUserList() {
     const res = await getUserList()
-    let { me, students, teachers } = res.data.items
+    let { me, students = [], teachers = [] } = res.data.items
     me = { ...me, role: 'me' }
     students = students.map((item: any) => {
       return { ...item, role: 'student' }