diff --git a/src/views/portal/course/Index.vue b/src/views/portal/course/Index.vue
index 2d8a3786..3224c44d 100644
--- a/src/views/portal/course/Index.vue
+++ b/src/views/portal/course/Index.vue
@@ -561,12 +561,18 @@ export default {
           this.course[i] = "";
           if (i === "sysType1") {
             this.types.sysTypes = "";
+            this.types.subOne = "";
+            this.types.subTow = "";
+            this.types.oneSubList = [];
+            this.types.towSubList = [];
           }
           if (i === "sysType2") {
             this.types.subOne = "";
+            this.types.oneSubList = [];
           }
           if (i === "sysType3") {
             this.types.subTow = "";
+            this.types.towSubList = [];
           }
           if (i === "type") {
             this.category = "";