diff --git a/backend/app/http/admin/posts.go b/backend/app/http/admin/posts.go
index a8f3a42..9923db0 100644
--- a/backend/app/http/admin/posts.go
+++ b/backend/app/http/admin/posts.go
@@ -9,7 +9,7 @@ import (
 )
 
 type ListQuery struct {
-	Key *string `query:"key"`
+	Keyword *string `query:"keyword"`
 }
 
 // @provider
@@ -20,7 +20,7 @@ type posts struct{}
 // @Bind pagination query
 // @Bind query query
 func (ctl *posts) List(ctx fiber.Ctx, pagination *requests.Pagination, query *ListQuery) (*requests.Pager, error) {
-	cond := models.Posts.BuildConditionWithKey(query.Key)
+	cond := models.Posts.BuildConditionWithKey(query.Keyword)
 	return models.Posts.List(ctx.Context(), pagination, cond)
 }
 
diff --git a/backend/app/http/posts.go b/backend/app/http/posts.go
index 61e2ef5..60ac8d3 100644
--- a/backend/app/http/posts.go
+++ b/backend/app/http/posts.go
@@ -9,7 +9,7 @@ import (
 )
 
 type ListQuery struct {
-	Key *string `query:"key"`
+	keyword *string `query:"keyword"`
 }
 
 // @provider
@@ -20,7 +20,7 @@ type posts struct{}
 // @Bind pagination query
 // @Bind query query
 func (ctl *posts) List(ctx fiber.Ctx, pagination *requests.Pagination, query *ListQuery) (*requests.Pager, error) {
-	cond := models.Posts.BuildConditionWithKey(query.Key)
+	cond := models.Posts.BuildConditionWithKey(query.keyword)
 	return models.Posts.List(ctx.Context(), pagination, cond)
 }
 
diff --git a/backend/app/models/posts.go b/backend/app/models/posts.go
index 2704724..dcffa0f 100644
--- a/backend/app/models/posts.go
+++ b/backend/app/models/posts.go
@@ -3,6 +3,7 @@ package models
 import (
 	"context"
 	"errors"
+	"log"
 	"time"
 
 	"quyun/app/requests"
@@ -34,16 +35,19 @@ func (m *postsModel) BuildConditionWithKey(key *string) BoolExpression {
 	)
 
 	if key == nil || *key == "" {
+		log.Fatal(*key)
 		return cond
 	}
 
-	cond = tbl.Title.LIKE(String("%" + *key + "%")).
-		OR(
-			tbl.Content.LIKE(String("%" + *key + "%")),
-		).
-		OR(
-			tbl.Description.LIKE(String("%" + *key + "%")),
-		)
+	cond = cond.AND(
+		tbl.Title.LIKE(String("%" + *key + "%")).
+			OR(
+				tbl.Content.LIKE(String("%" + *key + "%")),
+			).
+			OR(
+				tbl.Description.LIKE(String("%" + *key + "%")),
+			),
+	)
 
 	return cond
 }
@@ -135,7 +139,7 @@ func (m *postsModel) List(ctx context.Context, pagination *requests.Pagination,
 		OFFSET(pagination.Offset)
 	m.log.Infof("sql: %s", stmt.DebugSql())
 
-	var posts []model.Posts
+	var posts []model.Posts = make([]model.Posts, 0)
 	err := stmt.QueryContext(ctx, db, &posts)
 	if err != nil {
 		m.log.Errorf("error querying post items: %v", err)
diff --git a/backend/test.http b/backend/test.http
index 1c04c34..3c317d8 100644
--- a/backend/test.http
+++ b/backend/test.http
@@ -39,4 +39,8 @@ Content-Type: application/json
 
 ### get posts
 GET {{host}}/v1/admin/posts HTTP/1.1
+Content-Type: application/json
+
+### get posts with keyword
+GET {{host}}/v1/admin/posts?page=1&limit=10&keyword=99123 HTTP/1.1
 Content-Type: application/json
\ No newline at end of file
diff --git a/frontend/admin/src/api/postService.js b/frontend/admin/src/api/postService.js
index 26dbaf9..e33ca39 100644
--- a/frontend/admin/src/api/postService.js
+++ b/frontend/admin/src/api/postService.js
@@ -1,9 +1,13 @@
 import httpClient from './httpClient';
 
 export const postService = {
-    getPosts({ page = 1, limit = 10 } = {}) {
+    getPosts({ page = 1, limit = 10, keyword = '' } = {}) {
         return httpClient.get('/admin/posts', {
-            params: { page, limit }
+            params: {
+                page,
+                limit,
+                keyword: keyword.trim()
+            }
         });
     },
     getPost(id) {
diff --git a/frontend/admin/src/pages/PostPage.vue b/frontend/admin/src/pages/PostPage.vue
index 223d4ba..0dddcab 100644
--- a/frontend/admin/src/pages/PostPage.vue
+++ b/frontend/admin/src/pages/PostPage.vue
@@ -38,6 +38,7 @@ const mediaTypeOptions = ref([
 
 const globalFilterValue = ref('');
 const loading = ref(false);
+const searchTimeout = ref(null);
 
 // Sample data - in a real app, this would come from an API
 const posts = ref([]);
@@ -116,7 +117,7 @@ const calculateDiscountPrice = (price, discount) => {
     return price * (1 - discount / 100);
 };
 
-// Fetch posts data with pagination
+// Fetch posts data with pagination and search
 const fetchPosts = async () => {
     loading.value = true;
     try {
@@ -126,7 +127,8 @@ const fetchPosts = async () => {
 
         const response = await postService.getPosts({
             page: currentPage,
-            limit: rows.value
+            limit: rows.value,
+            keyword: globalFilterValue.value
         });
 
         posts.value = response.items.map(post => ({
@@ -155,6 +157,18 @@ const onPage = (event) => {
     fetchPosts();
 };
 
+// Handle search with debounce
+const onSearch = (event) => {
+    if (searchTimeout.value) {
+        clearTimeout(searchTimeout.value);
+    }
+
+    searchTimeout.value = setTimeout(() => {
+        first.value = 0; // Reset to first page when searching
+        fetchPosts();
+    }, 300);
+};
+
 onMounted(() => {
     fetchPosts();
 });
@@ -195,7 +209,7 @@ const formatMediaTypes = (mediaTypes) => {
         <!-- Posts Table -->
         <div class="card mt-10">
             <div class="pb-10 flex">
-                <InputText v-model="globalFilterValue" placeholder="搜索文章..." class="flex-1" />
+                <InputText v-model="globalFilterValue" placeholder="搜索文章..." class="flex-1" @input="onSearch" />
             </div>
 
             <DataTable v-model:filters="filters" :value="posts" :paginator="true" :rows="rows" :totalRecords="total"