diff --git a/netty-pad/src/main/resources/logback.xml b/netty-pad/src/main/resources/logback.xml
index 9e091c9..e7fb94d 100644
--- a/netty-pad/src/main/resources/logback.xml
+++ b/netty-pad/src/main/resources/logback.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF8"?>
 <configuration>
     <jmxConfigurator />
-    <property name="LOG_HOME" value="/home/log/svnettypad"/>
+    <property name="LOG_HOME" value="/home/log/pad_logs"/>
 
     <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
         <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
@@ -10,30 +10,37 @@
         </encoder>
     </appender>
 
-    <appender name="springLogFile"
+    <appender name="COMMON-DEFAULT"
               class="ch.qos.logback.core.rolling.RollingFileAppender">
-        <file>${LOG_HOME}/nettypad-spring.log</file>
+        <file>${LOG_HOME}/common-default.log</file>
         <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
-            <fileNamePattern>${LOG_HOME}/nettypad-spring-%d{yyyy-MM-dd_HH}.%i.log
+            <fileNamePattern>${LOG_HOME}/common-default-%d{yyyy-MM-dd}.log
             </fileNamePattern>
-            <timeBasedFileNamingAndTriggeringPolicy
-                    class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
-                <maxFileSize>10MB</maxFileSize>
-            </timeBasedFileNamingAndTriggeringPolicy>
         </rollingPolicy>
-
         <encoder>
             <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
         </encoder>
     </appender>
 
-    <logger name="org.springframework" level="info" additivity="false">
-        <appender-ref ref="springLogFile" />
-    </logger>
+    <appender name="COMMON-ERROR"
+              class="ch.qos.logback.core.rolling.RollingFileAppender">
+        <file>${LOG_HOME}/common-error.log</file>
+        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
+            <level>ERROR</level>
+        </filter>
+        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+            <fileNamePattern>${LOG_HOME}/common-error-%d{yyyy-MM-dd}.log
+            </fileNamePattern>
+        </rollingPolicy>
+        <encoder>
+            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
+        </encoder>
+    </appender>
 
     <!-- root -->
     <root level="info">
         <appender-ref ref="STDOUT" />
-        <appender-ref ref="springLogFile" />
+        <appender-ref ref="COMMON-DEFAULT" />
+        <appender-ref ref="COMMON-ERROR" />
     </root>
 </configuration>
\ No newline at end of file