添加了供应商模块中空的联系人不能删除的问题

src/xt_pages/supply/components/addSupply.vue

         }
       } else if (this.show_type == 2) {
         delcontactone(params).then((res) => {
-          if (res.data.data.list == "删除成功") {
-            this.$message.success(res.data.data.list);
+          if (res.data.state == 1) {
+            this.$message.success("删除成功");
             this.getcontacts(this.supplier_ids);
           } else {
             this.$message.error(res.data.data.list);

src/xt_pages/supply/supplyQuery.vue

           <el-select
             v-model="type_name"
             style="width: 170px; margin-right: 10px"
+            clearable
             placeholder="请选择供应商类别"
             @change="changeTypeName"
           >