diff --git a/xxl-job-admin/src/main/resources/mybatis-mapper/XxlJobLogMapper.xml b/xxl-job-admin/src/main/resources/mybatis-mapper/XxlJobLogMapper.xml
index d141f7ce..4cd4950b 100644
--- a/xxl-job-admin/src/main/resources/mybatis-mapper/XxlJobLogMapper.xml
+++ b/xxl-job-admin/src/main/resources/mybatis-mapper/XxlJobLogMapper.xml
@@ -215,8 +215,8 @@
 			<if test="clearBeforeNum gt 0">
 				AND id NOT in(
 				SELECT id FROM(
-				SELECT id FROM xxl_job_log t
-				<trim prefix="WHERE" prefixOverrides="AND | OR" >
+				SELECT id, rownum rn FROM xxl_job_log t
+				<trim prefix="WHERE" prefixOverrides="AND | OR">
 					<if test="jobGroup gt 0">
 						AND t.job_group = #{jobGroup}
 					</if>
@@ -225,8 +225,7 @@
 					</if>
 				</trim>
 				ORDER BY t.trigger_time desc
-				LIMIT 0, #{clearBeforeNum}
-				) t1
+				) where rn <![CDATA[ <= ]]> #{limit}
 				)
 			</if>
 		</trim>