diff --git a/iot-common/iot-common-dao/iot-data-service/src/main/java/cc/iotkit/data/system/ISysRoleData.java b/iot-common/iot-common-dao/iot-data-service/src/main/java/cc/iotkit/data/system/ISysRoleData.java
index 963d15d6..b6972e5d 100644
--- a/iot-common/iot-common-dao/iot-data-service/src/main/java/cc/iotkit/data/system/ISysRoleData.java
+++ b/iot-common/iot-common-dao/iot-data-service/src/main/java/cc/iotkit/data/system/ISysRoleData.java
@@ -60,4 +60,6 @@ public interface ISysRoleData extends ICommonData<SysRole, Long> {
     int updateById(SysRole role);
 
     List<SysRole> selectRoleList(SysRole role);
+
+    List<SysRole> findByUserId(Long id);
 }
diff --git a/iot-common/iot-common-dao/iot-data-serviceImpl-rdb/src/main/java/cc/iotkit/data/service/SysPostDataImpl.java b/iot-common/iot-common-dao/iot-data-serviceImpl-rdb/src/main/java/cc/iotkit/data/service/SysPostDataImpl.java
index 08c23185..009f9cb5 100644
--- a/iot-common/iot-common-dao/iot-data-serviceImpl-rdb/src/main/java/cc/iotkit/data/service/SysPostDataImpl.java
+++ b/iot-common/iot-common-dao/iot-data-serviceImpl-rdb/src/main/java/cc/iotkit/data/service/SysPostDataImpl.java
@@ -62,7 +62,7 @@ public class SysPostDataImpl implements ISysPostData, IJPACommData<SysPost, Long
 
     @Override
     public List<Long> selectPostListByUserId(Long userId) {
-        return jpaQueryFactory.select(Projections.bean(Long.class, tbSysPost.id))
+        return jpaQueryFactory.select( tbSysPost.id)
                 .from(tbSysPost)
                 .leftJoin(tbSysUserPost).on(tbSysUserPost.postId.eq(tbSysPost.id))
                 .leftJoin(tbSysUser).on(tbSysUser.id.eq(tbSysUserPost.userId))