修改

src/components/common/choiceMaterial.vue

@@ -48,7 +48,6 @@
           if (res.data.resultCode == 1) {
             var dataArray = res.data.data;
             this.dataList = dataArray;
-            console.log(this.dataList,'dataList');
           } else {
             this.Error(res.data.message);
           }
@@ -97,7 +96,10 @@
         }
         return this.checkedObj;
       },
-
+      //清空多选方法
+      toggleSelection(rows) {
+        this.$refs.tree.setCheckedKeys([]) 
+      },
     },
     mounted() {
       this.getList();