update

src/components/pages/addCourse.vue

@@ -3656,7 +3656,7 @@ export default {
       this.isStepDisplay = bool
     },
     scrollChange() {
-      this.rightBoxHeight = $(".rightBox")[0].scrollHeight;
+      this.rightBoxHeight = $(".rightBox")[0].scrollHeight - 80;
     },
     handleCheckAllChange(val) {
       this.checkedCities = val ? cityOptions : [];