diff --git a/src/components/Course/courseForm.vue b/src/components/Course/courseForm.vue
index 4dcda9ca..ff52f144 100644
--- a/src/components/Course/courseForm.vue
+++ b/src/components/Course/courseForm.vue
@@ -1218,7 +1218,7 @@ export default {
           });
           this.teacherValues = tlist;
           this.teacherDownList = tlist;
-          if (this.courseInfo.tags != '') {
+          if (this.courseInfo.tags) {
             this.showTags = this.courseInfo.tags.split(',');
           }
           this.$nextTick(function() {