diff --git a/plugins/sys-opt/index.html b/plugins/sys-opt/index.html
index 37b7bab7d..369363bd2 100755
--- a/plugins/sys-opt/index.html
+++ b/plugins/sys-opt/index.html
@@ -3,10 +3,10 @@
 		<div class="bt-w-menu">
 			<p class="bgw" onclick="pluginService('sys-opt');">服务</p>
 			<p onclick="pluginConfigTpl('sys-opt');">系统配置</p>
-			<p onclick="pluginLogs('sys-opt','','sec_run_log', 100);">安全日志</p>
-			<p onclick="pluginLogs('sys-opt','','msg_run_log', 100);">常用日志</p>
-			<p onclick="pluginLogs('sys-opt','','cron_run_log', 100);">任务日志</p>
-			<p onclick="pluginRollingLogs('sys-opt','','sys_run_log', 100);">系统日志</p>
+			<p onclick="pluginLogs('sys-opt','','sec_run_log', 20);">安全日志</p>
+			<p onclick="pluginLogs('sys-opt','','msg_run_log', 20);">常用日志</p>
+			<p onclick="pluginLogs('sys-opt','','cron_run_log', 20);">任务日志</p>
+			<p onclick="pluginRollingLogs('sys-opt','','sys_run_log', 20);">系统日志</p>
 			<p onclick="pRead()">说明</p>
 		</div>
 		<div class="bt-w-con pd15">
diff --git a/plugins/sys-opt/index.py b/plugins/sys-opt/index.py
index 58328a619..0b97057be 100755
--- a/plugins/sys-opt/index.py
+++ b/plugins/sys-opt/index.py
@@ -110,10 +110,14 @@ def secRunLog():
 
 
 def msgRunLog():
+    if os.path.exists('/var/log/kern.log'):
+        return '/var/log/kern.log'
     return '/var/log/messages'
 
 
 def cronRunLog():
+    if os.path.exists('/var/log/syslog.log'):
+        return '/var/log/syslog.log'
     return '/var/log/cron'