diff --git a/mh-system/src/main/resources/mapper/system/SysLogininforMapper.xml b/mh-system/src/main/resources/mapper/system/SysLogininforMapper.xml
index c771912..637e0c9 100644
--- a/mh-system/src/main/resources/mapper/system/SysLogininforMapper.xml
+++ b/mh-system/src/main/resources/mapper/system/SysLogininforMapper.xml
@@ -34,10 +34,10 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 				AND user_name like concat('%', #{userName}, '%')
 			</if>
 			<if test="params.beginTime != null and params.beginTime != ''"><!-- 开始时间检索 -->
-				AND login_time &gt;= #{params.beginTime}
+				AND login_time &gt;= #{params.beginTime}::timestamp
 			</if>
 			<if test="params.endTime != null and params.endTime != ''"><!-- 结束时间检索 -->
-				AND login_time &lt;= #{params.endTime}
+				AND login_time &lt;= #{params.endTime}::timestamp
 			</if>
 		</where>
 		order by info_id desc
diff --git a/mh-system/src/main/resources/mapper/system/SysNoticeMapper.xml b/mh-system/src/main/resources/mapper/system/SysNoticeMapper.xml
index 956df39..7f475dc 100644
--- a/mh-system/src/main/resources/mapper/system/SysNoticeMapper.xml
+++ b/mh-system/src/main/resources/mapper/system/SysNoticeMapper.xml
@@ -18,7 +18,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     </resultMap>
     
     <sql id="selectNoticeVo">
-        select notice_id, notice_title, notice_type, cast(notice_content as char) as notice_content, status, create_by, create_time, update_by, update_time, remark 
+        select notice_id, notice_title, notice_type, notice_content, status, create_by, create_time, update_by, update_time, remark
 		from sys_notice
     </sql>
     
diff --git a/mh-system/src/main/resources/mapper/system/SysOperLogMapper.xml b/mh-system/src/main/resources/mapper/system/SysOperLogMapper.xml
index 13aebbd..4871356 100644
--- a/mh-system/src/main/resources/mapper/system/SysOperLogMapper.xml
+++ b/mh-system/src/main/resources/mapper/system/SysOperLogMapper.xml
@@ -59,10 +59,10 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 				AND oper_name like concat('%', #{operName}, '%')
 			</if>
 			<if test="params.beginTime != null and params.beginTime != ''"><!-- 开始时间检索 -->
-				AND oper_time &gt;= #{params.beginTime}
+				AND oper_time &gt;= #{params.beginTime}::timestamp
 			</if>
 			<if test="params.endTime != null and params.endTime != ''"><!-- 结束时间检索 -->
-				AND oper_time &lt;= #{params.endTime}
+				AND oper_time &lt;= #{params.endTime}::timestamp
 			</if>
 		</where>
 		order by oper_id desc