diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/xml/SysAnnouncementSendMapper.xml b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/xml/SysAnnouncementSendMapper.xml
index 9925f50a..e767ee33 100644
--- a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/xml/SysAnnouncementSendMapper.xml
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/xml/SysAnnouncementSendMapper.xml
@@ -46,10 +46,10 @@
 	   and sa.del_flag = '0'
 	   and sas.user_id = #{announcementSendModel.userId}
 	   <if test="announcementSendModel.titile !=null and announcementSendModel.titile != ''">
-	   		and sa.titile LIKE concat(concat('%',#{announcementSendModel.titile}),'%')
+	   		and sa.titile LIKE concat(concat('%',#{announcementSendModel.titile,javaType=String,jdbcType=VARCHAR}::text),'%')
 	   </if>
 	   <if test="announcementSendModel.sender !=null and announcementSendModel.sender != ''">
-	   		and sa.sender LIKE concat(concat('%',#{announcementSendModel.sender}),'%')
+	   		and sa.sender LIKE concat(concat('%',#{announcementSendModel.sender,javaType=String,jdbcType=VARCHAR}::text),'%')
 	   </if>
 	   <if test="announcementSendModel.readFlag !=null and announcementSendModel.readFlag != ''">
 	   		and sas.read_flag = #{announcementSendModel.readFlag}