fix(teacher): 检查学生作业完成状态后再跳转记录页

防止未完成作业的学生跳转到记录页面，添加完成状态检查并提示

 <!--
  * @Date: 2025-11-19 21:00:00
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-12-15 11:39:57
+ * @LastEditTime: 2025-12-15 13:21:41
  * @FilePath: /mlaj/src/views/teacher/taskHomePage.vue
  * @Description: 教师端作业主页（头部介绍、统计、日历与学生完成情况）
 -->
@@ -125,6 +125,7 @@ import checkCorner from '@/assets/images/dui.png'
 import { getTeacherTaskDetailAPI } from '@/api/teacher'
 import { getCheckinTeacherCheckedDatesAPI } from '@/api/checkin'
 import dayjs from 'dayjs'
+import { showToast } from 'vant'
 
 const $route = useRoute()
 const $router = useRouter()
@@ -443,6 +444,12 @@ const go_student_record = (stu) => {
     if (task_type.value === 'checkin') {
         return
     }
+
+    if (!stu.completed) {
+        showToast('该学员未完成该作业')
+        return
+    }
+
     // 跳转到作业记录页面
     $router.push({
         name: 'StudentRecord',