style(web): 统一后台图标与全局视觉

src/views/contentManagement/CategoryManagementView.vue

@@ -3,7 +3,7 @@
 <script setup>
 import { onMounted, reactive, ref } from 'vue'
 import { ElMessage, ElMessageBox } from 'element-plus'
-import { Plus } from '@element-plus/icons-vue'
+import { AppIcons } from '@/constants/icons'
 import {
   createDramaCategoryApi,
   deleteDramaCategoryApi,
@@ -100,7 +100,7 @@ onMounted(load)
     description="维护短剧类型，供新建短剧选择，也作为客户端分类筛选的依据。"
   >
     <el-button v-if="can('drama:create')" type="primary" class="primary-button" @click="openCreate">
-      <el-icon><Plus /></el-icon>
+      <AppIcon :icon="AppIcons.add" />
       新建类型
     </el-button>
   </PageHeading>