diff --git a/src/views/portal/course/Index.vue b/src/views/portal/course/Index.vue
index d66574f7..10e9b6af 100644
--- a/src/views/portal/course/Index.vue
+++ b/src/views/portal/course/Index.vue
@@ -447,8 +447,10 @@ export default {
           this.course[i] = "";
           if (i === "sysType1") {
             this.types.sysTypes = "";
-            // this.types.oneSubList = [];
-            // this.types.towSubList = [];
+            this.types.subOne = "";
+            this.types.subTow = "";
+            this.types.oneSubList = [];
+            this.types.towSubList = [];
           }
           if (i === "sysType2") {
             this.types.subOne = "";
@@ -492,6 +494,8 @@ export default {
         list = this.optionsList.find(item => {
           return item.id === num;
         });
+      } else {
+        // this.types.towSubList = [];
       }
       if (list && list.children) {
         this.types.oneSubList = list.children;
@@ -510,7 +514,7 @@ export default {
           }
         });
       } else {
-        this.types.oneSubList = [];
+        this.types.towSubList = [];
       }
       this.searchData();
     },