修改Aqua的ligerui-grid.css .l-panel-topbar 样式
修改为:
.l-panel-topbar{padding: 0;background: #CEDFEF url('../images/panel/panel-toolbar.gif') repeat-x;height: 23px;border: 1px solid #9CBAE7;border-top: 1px solid #EFF7F7;}