diff --git a/src/views/portal/course/Index.vue b/src/views/portal/course/Index.vue
index 660ab96b..d66574f7 100644
--- a/src/views/portal/course/Index.vue
+++ b/src/views/portal/course/Index.vue
@@ -58,7 +58,7 @@
                     </el-radio-group>
                   </div>
                    <div class="search-item-sub" v-if="types.towSubList.length != 0">
-                    <el-radio-group v-model="types.subTow" size="mini" @change="searchData">
+                    <el-radio-group v-model="types.subTow" size="mini" @change="changeTypeTow">
                       <el-radio-button label="0">全部</el-radio-button>
                       <el-radio-button v-for="item in types.towSubList" :key="item.id" :label="item.id">{{item.name}}</el-radio-button>
                     </el-radio-group>
@@ -447,6 +447,8 @@ export default {
           this.course[i] = "";
           if (i === "sysType1") {
             this.types.sysTypes = "";
+            // this.types.oneSubList = [];
+            // this.types.towSubList = [];
           }
           if (i === "sysType2") {
             this.types.subOne = "";
@@ -500,12 +502,21 @@ export default {
     changeTypeSub(num) {
       this.types.subTow = "0";
       let list = {};
-      if (num !== 0) {
+      
+      if (num != 0) {
         apiType.list(1, num).then(res => {
           if (res.status === 200) {
             this.types.towSubList = res.result;
           }
         });
+      } else {
+        this.types.oneSubList = [];
+      }
+      this.searchData();
+    },
+    changeTypeTow(num) {
+      if(num == 0) {
+        this.types.towSubList=[]
       }
       this.searchData();
     },