diff --git a/pigx-visual/pigx-xxl-job-admin/src/main/resources/mybatis-mapper/XxlJobRegistryMapper.xml b/pigx-visual/pigx-xxl-job-admin/src/main/resources/mybatis-mapper/XxlJobRegistryMapper.xml
index 4cae667a2..459249aa0 100755
--- a/pigx-visual/pigx-xxl-job-admin/src/main/resources/mybatis-mapper/XxlJobRegistryMapper.xml
+++ b/pigx-visual/pigx-xxl-job-admin/src/main/resources/mybatis-mapper/XxlJobRegistryMapper.xml
@@ -22,7 +22,7 @@
 	<select id="findDead" parameterType="java.util.HashMap" resultType="java.lang.Integer" >
 		SELECT t.id
 		FROM xxl_job_registry AS t
-		WHERE t.update_time <![CDATA[ < ]]> DATE_ADD(#{nowTime},INTERVAL -#{timeout} SECOND)
+		WHERE t.update_time <![CDATA[ < ]]>	TIMESTAMPADD(SECOND,-#{timeout},#{nowTime})
 	</select>
 	
 	<delete id="removeDead" parameterType="java.lang.Integer" >
@@ -36,7 +36,7 @@
 	<select id="findAll" parameterType="java.util.HashMap" resultMap="XxlJobRegistry">
 		SELECT <include refid="Base_Column_List" />
 		FROM xxl_job_registry AS t
-		WHERE t.update_time <![CDATA[ > ]]> DATE_ADD(#{nowTime},INTERVAL -#{timeout} SECOND)
+		WHERE t.update_time <![CDATA[ > ]]> TIMESTAMPADD(SECOND,-#{timeout},#{nowTime})
 	</select>
 
     <update id="registryUpdate" >