为资产分类管理页面新增按钮添加自定义样式类

src/views/assets/category/index.vue

@@ -46,7 +46,7 @@
 				</el-table-column>
 				<el-table-column label="操作" width="200" fixed="right">
 					<template #default="scope">
-						<el-button size="small" text type="primary" @click="onOpenAddCategory(scope.row)">新增</el-button>
+						<el-button size="small" class="op-btn-add" text type="primary" @click="onOpenAddCategory(scope.row)">新增</el-button>
 						<el-button size="small" text type="primary" @click="onOpenEditCategory(scope.row)">修改</el-button>
 						<el-button size="small" text type="danger" @click="onRowDel(scope.row)">删除</el-button>
 					</template>