diff --git a/docker-images/quick-start/wrapper.conf b/docker-images/quick-start/wrapper.conf
index 7ca257ffe..a54439746 100644
--- a/docker-images/quick-start/wrapper.conf
+++ b/docker-images/quick-start/wrapper.conf
@@ -28,17 +28,16 @@ wrapper.java.library.path.1=lib
 wrapper.java.additional.1=-DDBLE_HOME=.
 wrapper.java.additional.2=-agentlib:jdwp=transport=dt_socket,server=y,address=8088,suspend=n
 wrapper.java.additional.3=-server
-wrapper.java.additional.4=-XX:MaxPermSize=64M
-wrapper.java.additional.5=-XX:+AggressiveOpts
-wrapper.java.additional.6=-Dfile.encoding=UTF-8
-wrapper.java.additional.7=-Dcom.sun.management.jmxremote
-wrapper.java.additional.8=-Dcom.sun.management.jmxremote.port=1984
-wrapper.java.additional.9=-Dcom.sun.management.jmxremote.authenticate=false
-wrapper.java.additional.10=-Dcom.sun.management.jmxremote.ssl=false
-wrapper.java.additional.11=-Dcom.sun.management.jmxremote.host=127.0.0.1
-wrapper.java.additional.12=-Xmx4G
-wrapper.java.additional.13=-Xms1G
-wrapper.java.additional.14=-XX:MaxDirectMemorySize=1G
+wrapper.java.additional.4=-XX:+AggressiveOpts
+wrapper.java.additional.5=-Dfile.encoding=UTF-8
+wrapper.java.additional.6=-Dcom.sun.management.jmxremote
+wrapper.java.additional.7=-Dcom.sun.management.jmxremote.port=1984
+wrapper.java.additional.8=-Dcom.sun.management.jmxremote.authenticate=false
+wrapper.java.additional.9=-Dcom.sun.management.jmxremote.ssl=false
+wrapper.java.additional.10=-Dcom.sun.management.jmxremote.host=127.0.0.1
+wrapper.java.additional.11=-Xmx4G
+wrapper.java.additional.12=-Xms1G
+wrapper.java.additional.13=-XX:MaxDirectMemorySize=1G
 
 # Initial Java Heap Size (in MB)
 #wrapper.java.initmemory=3
diff --git a/pom.xml b/pom.xml
index 347e42f51..5c3a5cc56 100644
--- a/pom.xml
+++ b/pom.xml
@@ -539,7 +539,6 @@
                                 </systemProperties>
                                 <extraArguments>
                                     <extraArgument>-server</extraArgument>
-                                    <extraArgument>-XX:MaxPermSize=64M</extraArgument>
                                     <extraArgument>-XX:+AggressiveOpts</extraArgument>
                                     <extraArgument>-Dfile.encoding=UTF-8</extraArgument>
                                     <!-- 远程JMX -->
diff --git a/src/main/assembly/bin/init_ucore_data.sh b/src/main/assembly/bin/init_ucore_data.sh
index f731998df..792f8f6a8 100644
--- a/src/main/assembly/bin/init_ucore_data.sh
+++ b/src/main/assembly/bin/init_ucore_data.sh
@@ -21,5 +21,5 @@ if [ ! -n "$1" ]; then
     DBLE_HOME=`pwd`
 fi
 cd $CURR_DIR
-$JAVA_CMD -Xms256M -Xmx1G -XX:MaxPermSize=64M  -DDBLE_HOME=$DBLE_HOME -cp "$DBLE_HOME/conf:$DBLE_HOME/lib/*" $MAIN_CLASS
+$JAVA_CMD -Xms256M -Xmx1G  -DDBLE_HOME=$DBLE_HOME -cp "$DBLE_HOME/conf:$DBLE_HOME/lib/*" $MAIN_CLASS
 echo "---------finished------------"
diff --git a/src/main/assembly/bin/init_zk_data.sh b/src/main/assembly/bin/init_zk_data.sh
index b7797f704..fb98be954 100644
--- a/src/main/assembly/bin/init_zk_data.sh
+++ b/src/main/assembly/bin/init_zk_data.sh
@@ -15,5 +15,5 @@ CURR_DIR=`pwd`
 cd ..
 DBLE_HOME=`pwd`
 cd $CURR_DIR
-$JAVA_CMD -Xms256M -Xmx1G -XX:MaxPermSize=64M  -DDBLE_HOME=$DBLE_HOME -cp "$DBLE_HOME/conf:$DBLE_HOME/lib/*" $MAIN_CLASS
+$JAVA_CMD -Xms256M -Xmx1G  -DDBLE_HOME=$DBLE_HOME -cp "$DBLE_HOME/conf:$DBLE_HOME/lib/*" $MAIN_CLASS
 echo "---------finished------------"
diff --git a/src/main/assembly/bin/startup_nowrap.sh b/src/main/assembly/bin/startup_nowrap.sh
index 46ea0bcd0..29e8662be 100644
--- a/src/main/assembly/bin/startup_nowrap.sh
+++ b/src/main/assembly/bin/startup_nowrap.sh
@@ -16,8 +16,8 @@ if $noJavaHome ; then
 fi
 #==============================================================================
 #set JAVA_OPTS
-JAVA_OPTS="-server -Xms2G -Xmx2G -XX:MaxPermSize=64M  -XX:+AggressiveOpts -XX:MaxDirectMemorySize=2G"
-#JAVA_OPTS="-server -Xms4G -Xmx4G -XX:MaxPermSize=64M  -XX:+AggressiveOpts -XX:MaxDirectMemorySize=6G"
+JAVA_OPTS="-server -Xms2G -Xmx2G  -XX:+AggressiveOpts -XX:MaxDirectMemorySize=2G"
+#JAVA_OPTS="-server -Xms4G -Xmx4G  -XX:+AggressiveOpts -XX:MaxDirectMemorySize=6G"
 #performance Options
 #JAVA_OPTS="$JAVA_OPTS -Xss256k"
 #JAVA_OPTS="$JAVA_OPTS -XX:+AggressiveOpts"
diff --git a/src/main/resources/wrapper.conf b/src/main/resources/wrapper.conf
index 77515662f..2c1d04c24 100644
--- a/src/main/resources/wrapper.conf
+++ b/src/main/resources/wrapper.conf
@@ -28,17 +28,16 @@ wrapper.java.library.path.1=lib
 wrapper.java.additional.1=-DDBLE_HOME=.
 wrapper.java.additional.2=-agentlib:jdwp=transport=dt_socket,server=y,address=8088,suspend=n
 wrapper.java.additional.3=-server
-wrapper.java.additional.4=-XX:MaxPermSize=64M
-wrapper.java.additional.5=-XX:+AggressiveOpts
-wrapper.java.additional.6=-Dfile.encoding=UTF-8
-wrapper.java.additional.7=-Dcom.sun.management.jmxremote
-wrapper.java.additional.8=-Dcom.sun.management.jmxremote.port=1984
-wrapper.java.additional.9=-Dcom.sun.management.jmxremote.authenticate=false
-wrapper.java.additional.10=-Dcom.sun.management.jmxremote.ssl=false
-wrapper.java.additional.11=-Dcom.sun.management.jmxremote.host=127.0.0.1
-wrapper.java.additional.12=-Xmx4G
-wrapper.java.additional.13=-Xms1G
-wrapper.java.additional.14=-XX:MaxDirectMemorySize=2G
+wrapper.java.additional.4=-XX:+AggressiveOpts
+wrapper.java.additional.5=-Dfile.encoding=UTF-8
+wrapper.java.additional.6=-Dcom.sun.management.jmxremote
+wrapper.java.additional.7=-Dcom.sun.management.jmxremote.port=1984
+wrapper.java.additional.8=-Dcom.sun.management.jmxremote.authenticate=false
+wrapper.java.additional.9=-Dcom.sun.management.jmxremote.ssl=false
+wrapper.java.additional.10=-Dcom.sun.management.jmxremote.host=127.0.0.1
+wrapper.java.additional.11=-Xmx4G
+wrapper.java.additional.12=-Xms1G
+wrapper.java.additional.13=-XX:MaxDirectMemorySize=2G
 
 # Initial Java Heap Size (in MB)
 #wrapper.java.initmemory=3
diff --git a/src/test/java/com/actiontech/dble/cache/TestCachePoolPerformance.java b/src/test/java/com/actiontech/dble/cache/TestCachePoolPerformance.java
index 9ac7e101d..709cfb51b 100644
--- a/src/test/java/com/actiontech/dble/cache/TestCachePoolPerformance.java
+++ b/src/test/java/com/actiontech/dble/cache/TestCachePoolPerformance.java
@@ -14,7 +14,7 @@ import net.sf.ehcache.config.MemoryUnit;
 
 /**
  * test cache performance ,for encache test set  VM param  -server -Xms1100M -Xmx1100M
- * for mapdb set vm param -server -Xms100M -Xmx100M -XX:MaxPermSize=1G
+ * for mapdb set vm param -server -Xms100M -Xmx100M
  */
 
 public class TestCachePoolPerformance {