fix

src/views/main/TemplateList.vue

@@ -184,7 +184,7 @@ export default {
     deleteCourse(id) {
       DeleteCourse({ id }).then(() => {
         this.queryCourseList();
-        this.$message.success(this.$i18n.t('Key253'));
+        this.$message.success('删除课程成功');
       });
     },