diff --git a/src/views/courselibrary/CourseExquisite.vue b/src/views/courselibrary/CourseExquisite.vue
index a8f6aff4..0c6dddca 100644
--- a/src/views/courselibrary/CourseExquisite.vue
+++ b/src/views/courselibrary/CourseExquisite.vue
@@ -665,7 +665,6 @@ export default defineComponent({
           },
           "精品课程导出",
           "xlsx",
-          "application/vnd.ms-excel;charset=UTF-8",
           false
         );
         message.success("导出成功");