🐛(component): 修复 table 工具栏 dropdown 随滚动条滚动

package/component/src/component/table/index.vue

@@ -183,11 +183,11 @@ findFindNodes(tableColumns.value);
  * @param arr2 数组
  */
 function diff(arr1: any[], arr2: any[]) {
-    var newArr = [];
-    arr1 = Array.from(new Set(arr1)); // 去重
-    arr2 = Array.from(new Set(arr2)); // 去重
-    newArr =arr1.concat(arr2);
-    return newArr.filter(x=>!(arr1.includes(x) && arr2.includes(x)))
+  var newArr = [];
+  arr1 = Array.from(new Set(arr1)); // 去重
+  arr2 = Array.from(new Set(arr2)); // 去重
+  newArr = arr1.concat(arr2);
+  return newArr.filter((x) => !(arr1.includes(x) && arr2.includes(x)));
 }
 
 /**
@@ -560,7 +560,7 @@ const renderTotalRowCell = (column: any) => {
           <slot name="toolbar"></slot>
         </div>
         <div v-if="defaultToolbar" class="layui-table-tool-self">
-          <lay-dropdown>
+          <lay-dropdown updateAtScroll>
             <div class="layui-inline" title="筛选列" lay-event="LAYTABLE_PRINT">
               <i class="layui-icon layui-icon-cols"></i>
             </div>
@@ -618,7 +618,12 @@ const renderTotalRowCell = (column: any) => {
                 </template>
               </colgroup>
               <thead>
-                <template v-for="(tableHeadColumn, tableHeadColumnIndex) in tableHeadColumns" :key="tableHeadColumnIndex">
+                <template
+                  v-for="(
+                    tableHeadColumn, tableHeadColumnIndex
+                  ) in tableHeadColumns"
+                  :key="tableHeadColumnIndex"
+                >
                   <tr>
                     <template
                       v-for="(column, columnIndex) in tableHeadColumn"