diff --git a/lib/app-error.ts b/lib/app-error.ts
index 2591e3e..8592bfb 100644
--- a/lib/app-error.ts
+++ b/lib/app-error.ts
@@ -95,6 +95,22 @@ export function toAppError(error: unknown, fallback?: AppErrorOptions) {
     return error;
   }
 
+  // Prisma 唯一约束冲突
+  if (error instanceof Error && (error as any).code === "P2002") {
+    return conflictError("数据已存在，请检查是否重复", "UNIQUE_CONSTRAINT");
+  }
+
+  // Telefunc 重新包装错误后 instanceof 失效，通过 name 识别
+  if (error instanceof Error && error.name === "AppError") {
+    const e = error as AppError;
+    return new AppError(e.message, {
+      code: e.code,
+      statusCode: e.statusCode,
+      expose: e.expose,
+      cause: e.cause,
+    });
+  }
+
   const abortValue = getTelefuncAbortValue(error);
   if (abortValue?.message && typeof abortValue.message === "string") {
     return new AppError(abortValue.message, {
@@ -117,6 +133,7 @@ export function toAppError(error: unknown, fallback?: AppErrorOptions) {
 }
 
 export function normalizeTelefuncError(error: unknown, fallbackMessage: string) {
+
   const abortValue = getTelefuncAbortValue(error);
   if (abortValue?.message && typeof abortValue.message === "string") {
     return abortValue.message;
diff --git a/modules/catalog/service.ts b/modules/catalog/service.ts
index fa1c0e1..1cf188a 100644
--- a/modules/catalog/service.ts
+++ b/modules/catalog/service.ts
@@ -51,13 +51,19 @@ export async function saveCategory(input: {
     throw badRequestError("分类 slug 不能为空", "CATEGORY_SLUG_REQUIRED");
   }
 
-  const record = await upsertCategoryRecord(prisma, {
-    id: input.id,
-    name,
-    slug,
-    description: input.description?.trim() || null,
-    sort: Number.isFinite(input.sort) ? Number(input.sort) : 0,
-  });
+  let record;
+  try {
+    record = await upsertCategoryRecord(prisma, {
+      id: input.id,
+      name,
+      slug,
+      description: input.description?.trim() || null,
+      sort: Number.isFinite(input.sort) ? Number(input.sort) : 0,
+    });
+  } catch (e: any) {
+    if (e?.code === "P2002") throw conflictError("分类名称或 Slug 已存在，请换一个", "CATEGORY_SLUG_CONFLICT");
+    throw e;
+  }
 
   await logAdminOperation(
     {
diff --git a/pages/+Layout.vue b/pages/+Layout.vue
index 7a5344e..972c880 100644
--- a/pages/+Layout.vue
+++ b/pages/+Layout.vue
@@ -40,7 +40,12 @@
             {{ footerText ? footerText : "© 2026 designed" }} & developed by edgeKey 
           </a>
         </span>
-        <span v-html="supportContact"></span>
+        <p v-if="supportContact" class="flex items-center">
+          <svg class="w-5 h-5 mr-2 text-gray-800 dark:text-white" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24">
+            <path stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.079 6.839a3 3 0 0 0-4.255.1M13 20h1.083A3.916 3.916 0 0 0 18 16.083V9A6 6 0 1 0 6 9v7m7 4v-1a1 1 0 0 0-1-1h-1a1 1 0 0 0-1 1v1a1 1 0 0 0 1 1h1a1 1 0 0 0 1-1Zm-7-4v-6H5a2 2 0 0 0-2 2v2a2 2 0 0 0 2 2h1Zm12-6h1a2 2 0 0 1 2 2v2a2 2 0 0 1-2 2h-1v-6Z"/>
+          </svg>
+          <p>{{ supportContact }}</p>
+        </p>
       </div>
     </footer>
   </div>
diff --git a/pages/admin/categories/+Page.vue b/pages/admin/categories/+Page.vue
index 8f87c1f..bb3bf20 100644
--- a/pages/admin/categories/+Page.vue
+++ b/pages/admin/categories/+Page.vue
@@ -1,12 +1,9 @@
 <template>
   <section class="card bg-base-100 shadow-sm">
     <div class="card-body space-y-4">
-      <div class="flex items-center justify-between gap-4 max-md:flex-col max-md:items-start">
-        <div>
-          <h1 class="text-2xl font-bold">分类管理</h1>
-          <p class="text-sm text-base-content/70">管理前台商品分类、排序和启用状态。</p>
-        </div>
-        <AppButton variant="primary" size="sm" @click="resetForm">新增分类</AppButton>
+      <div>
+        <h1 class="text-2xl font-bold">分类管理</h1>
+        <p class="text-sm text-base-content/70">管理前台商品分类、排序和启用状态。</p>
       </div>
 
       <div class="grid gap-6 lg:grid-cols-[1.2fr_2fr]">
@@ -37,45 +34,32 @@
           </div>
         </section>
 
-        <section class="overflow-x-auto">
-          <table class="table table-zebra w-full">
-            <thead>
-              <tr>
-                <th>ID</th>
-                <th>名称</th>
-                <th>Slug</th>
-                <th>排序</th>
-                <th>状态</th>
-                <th></th>
-              </tr>
-            </thead>
-            <tbody>
-              <tr v-if="!categoryList.length">
-                <td colspan="6" class="text-center text-base-content/60">当前还没有分类，先创建第一条。</td>
-              </tr>
-              <tr v-for="category in categoryList" :key="category.id">
-                <td>{{ category.id }}</td>
-                <td>
-                  <div class="font-medium">{{ category.name }}</div>
-                  <div v-if="category.description" class="text-xs text-base-content/60">{{ category.description }}</div>
-                </td>
-                <td>{{ category.slug }}</td>
-                <td>{{ category.sort }}</td>
-                <td>
-                  <StatusTag :type="category.status === 'ACTIVE' ? 'success' : 'default'">
-                    {{ category.status === 'ACTIVE' ? '启用' : '停用' }}
-                  </StatusTag>
-                </td>
-                <td>
-                  <div class="flex gap-2">
-                    <AppButton size="xs" variant="outline" @click="startEdit(category)">编辑</AppButton>
-                    <AppButton size="xs" variant="outline" @click="handleToggle(category)">{{ category.status === 'ACTIVE' ? '停用' : '启用' }}</AppButton>
-                    <AppButton size="xs" variant="danger" @click="handleDelete(category)">删除</AppButton>
-                  </div>
-                </td>
-              </tr>
-            </tbody>
-          </table>
+        <section>
+          <DataTable
+            :columns="columns"
+            :rows="categoryList"
+            :total="categoryList.length"
+            :page="1"
+            :page-size="categoryList.length || 1"
+            empty-text="当前还没有分类，先创建第一条。"
+          >
+            <template #name="{ row }">
+              <div class="font-medium">{{ row.name }}</div>
+              <div v-if="row.description" class="text-xs text-base-content/60">{{ row.description }}</div>
+            </template>
+            <template #status="{ row }">
+              <StatusTag :type="row.status === 'ACTIVE' ? 'success' : 'default'">
+                {{ row.status === 'ACTIVE' ? '启用' : '停用' }}
+              </StatusTag>
+            </template>
+            <template #actions="{ row }">
+              <div class="flex gap-2">
+                <AppButton size="xs" variant="outline" @click="startEdit(row)">编辑</AppButton>
+                <AppButton size="xs" variant="outline" @click="handleToggle(row)">{{ row.status === 'ACTIVE' ? '停用' : '启用' }}</AppButton>
+                <AppButton size="xs" variant="danger" @click="handleDelete(row)">删除</AppButton>
+              </div>
+            </template>
+          </DataTable>
         </section>
       </div>
     </div>
@@ -88,6 +72,7 @@ import { normalizeTelefuncError } from "../../../lib/app-error";
 import { reactive, ref, useTemplateRef } from "vue";
 import ConfirmDialog from "../../../components/ConfirmDialog.vue";
 import AppButton from "../../../components/AppButton.vue";
+import DataTable from "../../../components/DataTable.vue";
 import { useData } from "vike-vue/useData";
 import StatusTag from "../../../components/StatusTag.vue";
 import { onDeleteCategory } from "./deleteCategory.telefunc";
@@ -97,6 +82,15 @@ import type { Data } from "./+data";
 
 const { categories } = useData<Data>();
 
+const columns = [
+  { key: "id", label: "ID" },
+  { key: "name", label: "名称" },
+  { key: "slug", label: "Slug" },
+  { key: "sort", label: "排序" },
+  { key: "status", label: "状态" },
+  { key: "actions", label: "操作" },
+];
+
 const categoryList = ref([...categories]);
 const saving = ref(false);
 const errorMessage = ref("");
diff --git a/pages/admin/email/+Page.vue b/pages/admin/email/+Page.vue
index 9d2946e..583219c 100644
--- a/pages/admin/email/+Page.vue
+++ b/pages/admin/email/+Page.vue
@@ -7,7 +7,7 @@
       </div>
     </div>
 
-    <div role="tablist" class="tabs tabs-box">
+    <div role="tablist" class="tabs tabs-border">
       <a role="tab" class="tab" :class="{ 'tab-active': activeTab === 'stats' }" @click="activeTab = 'stats'">统计</a>
       <a role="tab" class="tab" :class="{ 'tab-active': activeTab === 'config' }" @click="activeTab = 'config'">配置</a>
       <a role="tab" class="tab" :class="{ 'tab-active': activeTab === 'list' }" @click="activeTab = 'list'">日志</a>
diff --git a/pages/admin/products/+Page.vue b/pages/admin/products/+Page.vue
index 9535f5c..8ad8631 100644
--- a/pages/admin/products/+Page.vue
+++ b/pages/admin/products/+Page.vue
@@ -9,47 +9,45 @@
         <AppButton href="/admin/products/new" variant="primary" size="sm">新建商品</AppButton>
       </div>
 
-      <div class="overflow-x-auto">
-        <table class="table table-zebra w-full">
-          <thead>
-            <tr>
-              <th>ID</th>
-              <th>商品</th>
-              <th>分类</th>
-              <th>价格</th>
-              <th>限购</th>
-              <th>状态</th>
-              <th></th>
-            </tr>
-          </thead>
-          <tbody>
-            <tr v-if="!productList.length">
-              <td colspan="7" class="text-center text-base-content/60">当前还没有商品，请先创建第一个商品。</td>
-            </tr>
-            <tr v-for="product in productList" :key="product.id">
-              <td>{{ product.id }}</td>
-              <td>
-                <div class="font-medium">{{ product.name }}</div>
-                <div class="text-xs text-base-content/60">{{ product.slug }}</div>
-              </td>
-              <td>{{ product.categoryName || "未分类" }}</td>
-              <td>{{ formatCents(product.price) }}</td>
-              <td>{{ product.minBuy }} - {{ product.maxBuy }}</td>
-              <td>
-                <StatusTag :type="product.status === 'ACTIVE' ? 'success' : 'default'">
-                  {{ product.status === 'ACTIVE' ? '上架' : '下架' }}
-                </StatusTag>
-              </td>
-              <td>
-                <div class="flex gap-2">
-                  <AppButton :href="`/admin/products/${product.id}/edit`" variant="outline" size="xs">编辑</AppButton>
-                  <AppButton size="xs" variant="danger" @click="handleDelete(product)">删除</AppButton>
-                </div>
-              </td>
-            </tr>
-          </tbody>
-        </table>
+      <div class="flex flex-wrap gap-3 items-center">
+        <input v-model="filter.name" class="input input-sm input-bordered w-48" placeholder="商品名称" />
+        <select v-model="filter.status" class="select select-sm select-bordered w-32">
+          <option value="">全部状态</option>
+          <option value="ACTIVE">上架</option>
+          <option value="INACTIVE">下架</option><option value="DRAFT">草稿</option>
+        </select>
+        <AppButton size="sm" variant="primary" @click="handleSearch">搜索</AppButton>
+        <AppButton size="sm" variant="ghost" @click="handleReset">重置</AppButton>
       </div>
+
+      <DataTable
+        :columns="columns"
+        :rows="pageData.items"
+        :total="pageData.total"
+        :page="currentPage"
+        :page-size="PAGE_SIZE"
+        empty-text="当前还没有商品，请先创建第一个商品。"
+        @update:page="fetchPage"
+      >
+        <template #name="{ row }">
+          <div class="font-medium">{{ row.name }}</div>
+          <div class="text-xs text-base-content/60">{{ row.slug }}</div>
+        </template>
+        <template #categoryName="{ value }">{{ value || '未分类' }}</template>
+        <template #price="{ value }">{{ formatCents(value) }}</template>
+        <template #buy="{ row }">{{ row.minBuy }} - {{ row.maxBuy }}</template>
+        <template #status="{ row }">
+          <StatusTag :type="row.status === 'ACTIVE' ? 'success' : 'default'">
+            {{ row.status === 'ACTIVE' ? '上架' : '下架' }}
+          </StatusTag>
+        </template>
+        <template #actions="{ row }">
+          <div class="flex gap-2">
+            <AppButton :href="`/admin/products/${row.id}/edit`" variant="outline" size="xs">编辑</AppButton>
+            <AppButton size="xs" variant="danger" @click="handleDelete(row)">删除</AppButton>
+          </div>
+        </template>
+      </DataTable>
     </div>
   </section>
   <ConfirmDialog ref="confirmRef" />
@@ -57,27 +55,58 @@
 
 <script setup lang="ts">
 import { normalizeTelefuncError } from "../../../lib/app-error";
-import { ref, useTemplateRef } from "vue";
+import { ref, reactive, useTemplateRef } from "vue";
 import AppButton from "../../../components/AppButton.vue";
 import ConfirmDialog from "../../../components/ConfirmDialog.vue";
+import DataTable from "../../../components/DataTable.vue";
+import StatusTag from "../../../components/StatusTag.vue";
 import { useData } from "vike-vue/useData";
 import { formatCents } from "../../../lib/utils/money";
-import StatusTag from "../../../components/StatusTag.vue";
 import { onDeleteProduct } from "./deleteProduct.telefunc";
+import { onQueryProducts } from "./queryProducts.telefunc";
 import type { Data } from "./+data";
 
-const { products } = useData<Data>();
-const productList = ref([...products]);
+const { products, total } = useData<Data>();
+
+const PAGE_SIZE = 20;
+const currentPage = ref(1);
+const pageData = ref({ items: [...products], total });
+const filter = reactive({ name: "", status: "" });
 const confirmRef = useTemplateRef<InstanceType<typeof ConfirmDialog>>("confirmRef");
 
-async function handleDelete(product: (typeof products)[number]) {
-  if (!await confirmRef.value?.confirm({ title: "删除商品", message: `确认删除商品"${product.name}"吗？`, confirmText: "删除", danger: true })) {
-    return;
-  }
+const columns = [
+  { key: "id", label: "ID" },
+  { key: "name", label: "商品" },
+  { key: "categoryName", label: "分类" },
+  { key: "price", label: "价格" },
+  { key: "buy", label: "限购" },
+  { key: "status", label: "状态" },
+  { key: "actions", label: "操作" },
+];
 
+async function fetchPage(page: number) {
+  pageData.value = await onQueryProducts({
+    name: filter.name || undefined,
+    status: filter.status || undefined,
+    page,
+    pageSize: PAGE_SIZE,
+  });
+  currentPage.value = page;
+}
+
+async function handleSearch() { await fetchPage(1); }
+
+async function handleReset() {
+  filter.name = "";
+  filter.status = "";
+  await fetchPage(1);
+}
+
+async function handleDelete(product: (typeof products)[number]) {
+  if (!await confirmRef.value?.confirm({ title: "删除商品", message: `确认删除商品"${product.name}"吗？`, confirmText: "删除", danger: true })) return;
   try {
     await onDeleteProduct({ id: product.id });
-    productList.value = productList.value.filter((item) => item.id !== product.id);
+    await fetchPage(currentPage.value);
   } catch (error) {
     await confirmRef.value?.alert({ title: "错误", message: normalizeTelefuncError(error, "删除失败") });
   }
diff --git a/pages/admin/products/+data.ts b/pages/admin/products/+data.ts
index bcb5489..be4731d 100644
--- a/pages/admin/products/+data.ts
+++ b/pages/admin/products/+data.ts
@@ -13,8 +13,10 @@ export async function data(pageContext: {
     };
   }
 
+  const products = await getAdminProducts(pageContext.prisma);
   return {
-    products: await getAdminProducts(pageContext.prisma),
+    products,
+    total: products.length,
     categories: await getAdminCategories(pageContext.prisma),
   };
 }
diff --git a/pages/admin/products/queryProducts.telefunc.ts b/pages/admin/products/queryProducts.telefunc.ts
new file mode 100644
index 0000000..e970b90
--- /dev/null
+++ b/pages/admin/products/queryProducts.telefunc.ts
@@ -0,0 +1,20 @@
+import { listAdminProducts } from "../../../modules/catalog/queries";
+import { getContext } from "telefunc";
+
+export async function onQueryProducts(input: {
+  name?: string;
+  status?: string;
+  page: number;
+  pageSize: number;
+}) {
+  const { prisma } = getContext() as any;
+  const all = await listAdminProducts(prisma);
+
+  let items = all;
+  if (input.name) items = items.filter(p => p.name.includes(input.name!));
+  if (input.status) items = items.filter(p => p.status === input.status);
+
+  const total = items.length;
+  const start = (input.page - 1) * input.pageSize;
+  return { items: items.slice(start, start + input.pageSize), total };
+}
\ No newline at end of file