diff --git a/bin/ngxway b/bin/ngxway
index a11e150..9f137a8 100755
--- a/bin/ngxway
+++ b/bin/ngxway
@@ -42,17 +42,14 @@ function start(){
   mkdir -p $localVolumeLogsDir && chmod -R 777 $localVolumeLogsDir
 
   # Run container.
-  docker run --name ngxwayContainer -d -p $ngxwayAddr:8090 -v $localVolumeLogsDir:/dist/logs/ ngxway
+  docker run --ulimit nofile=1048576:1048576 \
+             --sysctl net.ipv4.ip_local_port_range="1024 65535" \
+             --name ngxwayContainer -d -p $ngxwayAddr:8090 -v $localVolumeLogsDir:/dist/logs/ ngxway
   if [ $? -ne 0 ]; then
     echo -e ">>>>>>>>Start failure: failed to run<<<<<<<<"
     exit 1
   fi
 
-  # Exec command: adjust the system parameters.
-  # docker run --sysctl net.ipv4.ip_local_port_range="32768 65535" \
-  #            --ulimit nofile=1024000:1024000
-  # docker run -d --ulimit nofile=1024000:1024000 ngxway
-
   # Exec command: start the go server.
   docker exec -d ngxwayContainer /dist/bin/goserver
   if [ $? -ne 0 ]; then
diff --git a/conf/nginx/nginx.conf b/conf/nginx/nginx.conf
index d13eed1..7aa8e6e 100644
--- a/conf/nginx/nginx.conf
+++ b/conf/nginx/nginx.conf
@@ -19,9 +19,10 @@
 # Enables the use of JIT for regular expressions to speed-up their processing.
 pcre_jit on;
 
-# worker_processes  auto;
-worker_processes     8;
-worker_cpu_affinity 000 001 010 011 100 101 110 111;
+# worker_processes     8;
+# worker_cpu_affinity 000 001 010 011 100 101 110 111;
+worker_processes auto;
+worker_cpu_affinity auto;
 
 events {
     worker_connections  1024;
diff --git a/scripts/adjust_system_param.sh b/scripts/adjust_system_param.sh
deleted file mode 100644
index cb106c4..0000000
--- a/scripts/adjust_system_param.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-# Go back to the root directory of ngxway.
-ngxwayPath=$(cd `dirname $0`; cd ..; pwd)
-cd $ngxwayPath
-
-# Require the common shell scripts.
-. $ngxwayPath/scripts/common.sh
-
-# Check the system, only available for Linux and Unix series.
-whichSystem=$(printWhichSystem)
-
-# Adjust system parameters to improve the performance of ngxway.
-if [ "${whichSystem}" == "Linux" ] ; then
-  echo $systemParamTemplate1 >> ~/.bashrc
-  source ~/.bashrc
-else
-  echo $systemParamTemplate1 >> ~/.bash_profile
-  source ~/.bash_profile
-fi