diff --git a/trunk/auto/options.sh b/trunk/auto/options.sh
index 6a274db01..6326c37bc 100755
--- a/trunk/auto/options.sh
+++ b/trunk/auto/options.sh
@@ -44,8 +44,8 @@ do
 
     case "$option" in
         -*=*) 
-            value=`echo "$option" | sed -e 's/[-_a-zA-Z0-9]*=//'` 
-            option=`echo "$option" | sed -e 's/=[-_a-zA-Z0-9]*//'`
+            value=`echo "$option" | sed -e 's|[-_a-zA-Z0-9/]*=||'` 
+            option=`echo "$option" | sed -e 's|=[-_a-zA-Z0-9/]*||'`
         ;;
            *) value="" ;;
     esac
diff --git a/trunk/configure b/trunk/configure
index 420c8ce15..d6b3cbe82 100755
--- a/trunk/configure
+++ b/trunk/configure
@@ -162,6 +162,7 @@ cat << END > ${SRS_MAKEFILE}
 
 # install prefix.
 SRS_PREFIX=${SRS_PREFIX}
+DESTDIR=\$(SRS_PREFIX)
 
 END
 
@@ -217,22 +218,22 @@ uninstall:
 	@rm -rf \$(SRS_PREFIX)
 
 install-api: install
-	@echo "mkdir \$(SRS_PREFIX)"
-	@mkdir -p \$(SRS_PREFIX)
+	@echo "mkdir \$(DESTDIR)"
+	@mkdir -p \$(DESTDIR)
 	@echo "copy binary files"
-	@mkdir -p \$(SRS_PREFIX)/research/api-server
-	@cp research/api-server/server.py \$(SRS_PREFIX)/research/api-server
-	@mkdir -p \$(SRS_PREFIX)/objs/ffmpeg/bin
-	@cp objs/ffmpeg/bin/ffmpeg \$(SRS_PREFIX)/objs/ffmpeg/bin
+	@mkdir -p \$(DESTDIR)/research/api-server
+	@cp research/api-server/server.py \$(DESTDIR)/research/api-server
+	@mkdir -p \$(DESTDIR)/objs/ffmpeg/bin
+	@cp objs/ffmpeg/bin/ffmpeg \$(DESTDIR)/objs/ffmpeg/bin
 	@echo "copy html files"
-	@mkdir -p \$(SRS_PREFIX)/research/api-server/static-dir/players
-	@cp research/api-server/static-dir/crossdomain.xml \$(SRS_PREFIX)/research/api-server/static-dir
-	@cp research/api-server/static-dir/index.html \$(SRS_PREFIX)/research/api-server/static-dir
-	@cp -r research/api-server/static-dir/players/* \$(SRS_PREFIX)/research/api-server/static-dir/players
+	@mkdir -p \$(DESTDIR)/research/api-server/static-dir/players
+	@cp research/api-server/static-dir/crossdomain.xml \$(DESTDIR)/research/api-server/static-dir
+	@cp research/api-server/static-dir/index.html \$(DESTDIR)/research/api-server/static-dir
+	@cp -r research/api-server/static-dir/players/* \$(DESTDIR)/research/api-server/static-dir/players
 	@echo "copy init.d script files"
-	@mkdir -p \$(SRS_PREFIX)/etc/init.d
-	@cp etc/init.d/srs-api \$(SRS_PREFIX)/etc/init.d
-	@sed -i "s|^ROOT=.*|ROOT=\"\$(SRS_PREFIX)\"|g" \$(SRS_PREFIX)/etc/init.d/srs-api
+	@mkdir -p \$(DESTDIR)/etc/init.d
+	@cp etc/init.d/srs-api \$(DESTDIR)/etc/init.d
+	@sed -i "s|^ROOT=.*|ROOT=\"\$(SRS_PREFIX)\"|g" \$(DESTDIR)/etc/init.d/srs-api
 	@echo ""
 	@echo "api installed, to link and start api:"
 	@echo "     sudo ln -sf /usr/local/srs/etc/init.d/srs-api /etc/init.d/srs-api"
@@ -241,18 +242,18 @@ install-api: install
 	@echo "@see: https://github.com/winlinvip/simple-rtmp-server/wiki/LinuxService"
 
 install:
-	@echo "mkdir \$(SRS_PREFIX)"
-	@mkdir -p \$(SRS_PREFIX)
+	@echo "mkdir \$(DESTDIR)"
+	@mkdir -p \$(DESTDIR)
 	@echo "copy binary files"
-	@mkdir -p \$(SRS_PREFIX)/objs
-	@cp objs/srs \$(SRS_PREFIX)/objs
+	@mkdir -p \$(DESTDIR)/objs
+	@cp objs/srs \$(DESTDIR)/objs
 	@echo "copy srs conf files"
-	@mkdir -p \$(SRS_PREFIX)/conf
-	@cp conf/*.conf \$(SRS_PREFIX)/conf
+	@mkdir -p \$(DESTDIR)/conf
+	@cp conf/*.conf \$(DESTDIR)/conf
 	@echo "copy init.d script files"
-	@mkdir -p \$(SRS_PREFIX)/etc/init.d
-	@cp etc/init.d/srs \$(SRS_PREFIX)/etc/init.d
-	@sed -i "s|^ROOT=.*|ROOT=\"\$(SRS_PREFIX)\"|g" \$(SRS_PREFIX)/etc/init.d/srs
+	@mkdir -p \$(DESTDIR)/etc/init.d
+	@cp etc/init.d/srs \$(DESTDIR)/etc/init.d
+	@sed -i "s|^ROOT=.*|ROOT=\"\$(SRS_PREFIX)\"|g" \$(DESTDIR)/etc/init.d/srs
 	@echo ""
 	@echo "srs installed, to link and start srs:"
 	@echo "     sudo ln -sf /usr/local/srs/etc/init.d/srs /etc/init.d/srs"
diff --git a/trunk/scripts/_log.sh b/trunk/scripts/_log.sh
new file mode 100755
index 000000000..a91a2c820
--- /dev/null
+++ b/trunk/scripts/_log.sh
@@ -0,0 +1,49 @@
+# import log utility and check the detail log file is ok
+# @param log the log file path, default to /dev/null
+
+#######################################
+# color echo.
+#######################################
+RED="\\e[31m"
+GREEN="\\e[32m"
+YELLOW="\\e[33m"
+BLACK="\\e[0m"
+POS="\\e[110G"
+
+# if need to log to file, change the log path.
+if [[ ! $log ]]; then
+    log=/dev/null;
+fi
+
+ok_msg(){
+    echo -e "${1}${POS}${BLACK}[${GREEN}  OK  ${BLACK}]"
+    
+    # write to log file.
+    echo "[info] ${1}" >> $log
+}
+
+warn_msg(){
+    echo -e "${1}${POS}${BLACK}[ ${YELLOW}WARN${BLACK} ]"
+    
+    # write to log file.
+    echo "[error] ${1}" >> $log
+}
+
+failed_msg(){
+    echo -e "${1}${POS}${BLACK}[${RED}FAILED${BLACK}]"
+    
+    # write to log file.
+    echo "[error] ${1}" >> $log
+}
+
+function check_log(){
+    log_dir="`dirname $log`"
+    (mkdir -p ${log_dir} && sudo chmod 777 ${log_dir} && touch $log)
+    ret=$?; if [[ $ret -ne 0 ]]; then failed_msg "create log failed, ret=$ret"; return $ret; fi
+    ok_msg "create log( ${log} ) success"
+    
+    echo "bravo-vms setup `date`" >> $log
+    ok_msg "see detail log: tailf ${log}"
+    
+    return 0
+}
diff --git a/trunk/scripts/install.sh b/trunk/scripts/install.sh
new file mode 100755
index 000000000..4670d9314
--- /dev/null
+++ b/trunk/scripts/install.sh
@@ -0,0 +1,103 @@
+#!/bin/bash
+
+# user can config the following configs, then package.
+INSTALL=/usr/local/srs
+
+##################################################################################
+##################################################################################
+##################################################################################
+# discover the current work dir, the log and access.
+echo "argv[0]=$0"
+if [[ ! -f $0 ]]; then 
+    echo "directly execute the scripts on shell.";
+    work_dir=`pwd`
+else 
+    echo "execute scripts in file: $0";
+    work_dir=`dirname $0`; work_dir=`(cd ${work_dir} && pwd)`
+fi
+product_dir=$work_dir
+
+log="${work_dir}/logs/package.`date +%s`.log" && . ${product_dir}/scripts/_log.sh && check_log
+ret=$?; if [[ $ret -ne 0 ]]; then exit $ret; fi
+
+# user must stop service first.
+ok_msg "check previous install"
+if [[ -f /etc/init.d/srs ]]; then
+    /etc/init.d/srs status >/dev/null 2>&1
+    ret=$?; if [[ 0 -eq ${ret} ]]; then 
+        failed_msg "you must stop the service first: sudo /etc/init.d/srs stop"; 
+        exit 1; 
+    fi
+fi
+ok_msg "previous install checked"
+
+# backup old srs
+ok_msg "backup old srs"
+install_root=$INSTALL
+install_bin=$install_root/objs/srs
+if [[ -d $install_root ]]; then
+    version="unknown"
+    if [[ -f $install_bin ]]; then
+        version=`$install_bin -v 2>/dev/stdout 1>/dev/null`
+    fi
+    
+    backup_dir=${install_root}.`date "+%Y-%m-%d_%H-%M-%S"`.v-$version
+    ok_msg "backup installed dir, version=$version"
+    ok_msg "    to=$backup_dir"
+    mv $install_root $backup_dir >>$log 2>&1
+    ret=$?; if [[ 0 -ne ${ret} ]]; then failed_msg "backup installed dir failed"; exit $ret; fi
+    ok_msg "backup installed dir success"
+fi
+ok_msg "old srs backuped"
+
+# prepare files.
+ok_msg "prepare files"
+(
+    sed -i "s|^ROOT=.*|ROOT=\"${INSTALL}\"|g" $work_dir/etc/init.d/srs
+) >> $log 2>&1
+ret=$?; if [[ 0 -ne ${ret} ]]; then failed_msg "prepare files failed"; exit $ret; fi
+ok_msg "prepare files success"
+
+# copy core files
+ok_msg "copy core components"
+(
+    mkdir -p $install_root
+    cp -r $work_dir/conf $install_root &&
+    cp -r $work_dir/etc $install_root &&
+    cp -r $work_dir/objs $install_root
+) >>$log 2>&1
+ret=$?; if [[ 0 -ne ${ret} ]]; then failed_msg "copy core components failed"; exit $ret; fi
+ok_msg "copy core components success"
+
+# install init.d scripts
+ok_msg "install init.d scripts"
+(
+    rm -rf /etc/init.d/srs &&
+    ln -sf $install_root/etc/init.d/srs /etc/init.d/srs
+) >>$log 2>&1
+ret=$?; if [[ 0 -ne ${ret} ]]; then failed_msg "install init.d scripts failed"; exit $ret; fi
+ok_msg "install init.d scripts success"
+
+# install system service
+lsb_release --id|grep "CentOS" >/dev/null 2>&1; os_id_centos=$?
+lsb_release --id|grep "Ubuntu" >/dev/null 2>&1; os_id_ubuntu=$?
+if [[ 0 -eq $os_id_centos ]]; then
+    ok_msg "install system service for CentOS"
+    /sbin/chkconfig --add srs && /sbin/chkconfig srs on
+    ret=$?; if [[ 0 -ne ${ret} ]]; then failed_msg "install system service failed"; exit $ret; fi
+    ok_msg "install system service success"
+elif [[ 0 -eq $os_id_ubuntu ]]; then
+    ok_msg "install system service for Ubuntu"
+    update-rc.d srs defaults
+    ret=$?; if [[ 0 -ne ${ret} ]]; then failed_msg "install system service failed"; exit $ret; fi
+    ok_msg "install system service success"
+else
+    warn_msg "ignore and donot install system service for `lsb_release --id|awk '{print $3}'`."
+fi
+
+echo ""
+echo "see: https://github.com/winlinvip/simple-rtmp-server/wiki/LinuxService"
+echo "install success, you can:"
+echo -e "${GREEN}      sudo /etc/init.d/srs start${BLACK}"
+
+exit 0
\ No newline at end of file
diff --git a/trunk/scripts/package.sh b/trunk/scripts/package.sh
new file mode 100755
index 000000000..f5f2d9e1c
--- /dev/null
+++ b/trunk/scripts/package.sh
@@ -0,0 +1,70 @@
+#!/bin/bash
+
+# user can config the following configs, then package.
+INSTALL=/usr/local/srs
+
+##################################################################################
+##################################################################################
+##################################################################################
+# discover the current work dir, the log and access.
+echo "argv[0]=$0"
+if [[ ! -f $0 ]]; then 
+    echo "directly execute the scripts on shell.";
+    work_dir=`pwd`
+else 
+    echo "execute scripts in file: $0";
+    work_dir=`dirname $0`; work_dir=`(cd ${work_dir} && pwd)`
+fi
+work_dir=`(cd ${work_dir}/.. && pwd)`
+product_dir=$work_dir
+build_objs=${work_dir}/objs
+package_dir=${build_objs}/package
+
+log="${build_objs}/logs/package.`date +%s`.log" && . ${product_dir}/scripts/_log.sh && check_log
+ret=$?; if [[ $ret -ne 0 ]]; then exit $ret; fi
+
+# check os version
+os_name=`lsb_release --id|awk '{print $3}'` &&
+os_release=`lsb_release --release|awk '{print $2}'` &&
+os_major_version=`echo $os_release|awk -F '.' '{print $1}'`
+ret=$?; if [[ $ret -ne 0 ]]; then failed_msg "lsb_release get os info failed."; exit $ret; fi
+ok_msg "target os is ${os_name}-${os_major_version} ${os_release}"
+
+# build srs
+# @see https://github.com/winlinvip/simple-rtmp-server/wiki/Build
+ok_msg "start build srs"
+(
+    cd $work_dir && 
+    ./configure --with-ssl --with-hls --with-nginx --with-ffmpeg --with-http-callback --prefix=$INSTALL &&
+    make && rm -rf $package_dir && make DESTDIR=$package_dir install
+) >> $log 2>&1
+ret=$?; if [[ 0 -ne ${ret} ]]; then failed_msg "build srs failed"; exit $ret; fi
+ok_msg "build srs success"
+
+# copy extra files to package.
+ok_msg "start copy extra files to package"
+(
+    cp $work_dir/scripts/install.sh $package_dir/INSTALL &&
+    sed -i "s|^INSTALL=.*|INSTALL=${INSTALL}|g" $package_dir/INSTALL &&
+    mkdir -p $package_dir/scripts &&
+    cp $work_dir/scripts/_log.sh $package_dir/scripts/_log.sh &&
+    chmod +x $package_dir/INSTALL
+) >> $log 2>&1
+ret=$?; if [[ 0 -ne ${ret} ]]; then failed_msg "copy extra files failed"; exit $ret; fi
+ok_msg "copy extra files success"
+
+# zip package.
+ok_msg "start zip package"
+(
+    srs_version=`${build_objs}/srs -v 2>/dev/stdout 1>/dev/null` &&
+    zip_dir="SRS-${os_name}${os_major_version}-${srs_version}" &&
+    mv $package_dir ${build_objs}/${zip_dir} &&
+    cd ${build_objs} && zip -q -r ${zip_dir}.zip ${zip_dir} &&
+    mv ${build_objs}/${zip_dir} $package_dir
+) >> $log 2>&1
+ret=$?; if [[ 0 -ne ${ret} ]]; then failed_msg "zip package failed"; exit $ret; fi
+ok_msg "zip package success"
+
+ok_msg "srs package success"
+
+exit 0
diff --git a/trunk/src/app/srs_app_config.cpp b/trunk/src/app/srs_app_config.cpp
index cf3164015..ec6db32de 100644
--- a/trunk/src/app/srs_app_config.cpp
+++ b/trunk/src/app/srs_app_config.cpp
@@ -639,7 +639,7 @@ int SrsConfig::parse_options(int argc, char** argv)
     }
     
     if (show_version) {
-        printf("%s\n", RTMP_SIG_SRS_VERSION);
+        fprintf(stderr, "%s\n", RTMP_SIG_SRS_VERSION);
     }
     
     if (show_help || show_version) {