diff --git a/src/views/standard/setUp/teacher.vue b/src/views/standard/setUp/teacher.vue
index 462ca27..2144947 100644
--- a/src/views/standard/setUp/teacher.vue
+++ b/src/views/standard/setUp/teacher.vue
@@ -193,7 +193,7 @@
               <li
                 class="grade-li"
                 v-for="item in teacherDetail.teacherCourseList"
-                :key="item.classId"
+                :key="item.classId+item.subjectName"
               >
                 <el-popconfirm
                   title="确定删除吗？"