diff --git a/pom.xml b/pom.xml
index 6973658..70ffa0d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -249,6 +249,13 @@
             <artifactId>redisson-spring-boot-starter</artifactId>
             <version>${redisson.version}</version>
         </dependency>
+        
+        <!-- FastJSON 用于 JetCache 序列化 -->
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>1.2.83</version>
+        </dependency>
 
     </dependencies>
     <dependencyManagement>
diff --git a/src/main/resources/mapper/CmsContentLikeMapper.xml b/src/main/resources/mapper/CmsContentLikeMapper.xml
index eaac1b2..01d3ea5 100644
--- a/src/main/resources/mapper/CmsContentLikeMapper.xml
+++ b/src/main/resources/mapper/CmsContentLikeMapper.xml
@@ -47,7 +47,7 @@
     </select>
     
     <select id="queryRecentLikesByUserId" resultType="Long">
-        SELECT DISTINCT content_id FROM cms_content_like 
+        SELECT content_id FROM cms_content_like 
         WHERE user_id = #{userId} AND delete_flag = 0
         ORDER BY like_time DESC
         LIMIT #{limit}
diff --git a/src/main/resources/mapper/CmsContentMapper.xml b/src/main/resources/mapper/CmsContentMapper.xml
index be9def7..124885e 100644
--- a/src/main/resources/mapper/CmsContentMapper.xml
+++ b/src/main/resources/mapper/CmsContentMapper.xml
@@ -298,7 +298,7 @@
     
     <!--查询用户最近创建的内容ID列表-->
     <select id="queryRecentCreatedByUserId" resultType="Long">
-        select distinct content_id from cms_content 
+        select content_id from cms_content
         where author_id = #{userId} and delete_flag = 0
         order by create_time desc
         limit #{limit}
diff --git a/src/main/resources/mapper/CmsContentViewMapper.xml b/src/main/resources/mapper/CmsContentViewMapper.xml
index dfe301a..f9f86ce 100644
--- a/src/main/resources/mapper/CmsContentViewMapper.xml
+++ b/src/main/resources/mapper/CmsContentViewMapper.xml
@@ -47,7 +47,7 @@
     </select>
     
     <select id="queryRecentViewsByUserId" resultType="Long">
-        SELECT DISTINCT content_id FROM cms_content_view 
+        SELECT content_id FROM cms_content_view 
         WHERE user_id = #{userId} AND delete_flag = 0
         ORDER BY view_time DESC
         LIMIT #{limit}