diff --git a/packaging/deb/DEBIAN/preinst b/packaging/deb/DEBIAN/preinst
index d31129ba2cbe7d3d2d41dc0176e4a3bd43bde60d..472d853637d8f39f02de2f872555794e3e026d5b 100644
--- a/packaging/deb/DEBIAN/preinst
+++ b/packaging/deb/DEBIAN/preinst
@@ -5,20 +5,15 @@ if command -v sudo > /dev/null; then
     csudo="sudo"
 fi
 
-function is_using_systemd() {
-    if pidof systemd &> /dev/null; then
-        return 0
-    else
-        return 1
-    fi
-}
-
 # Stop the service if running
 if pidof taosd &> /dev/null; then
-    if is_using_systemd; then
+    if pidof systemd &> /dev/null; then
         ${csudo} systemctl stop taosd || :
-    else
+    elif $(which insserv &> /dev/null); then
         ${csudo} service taosd stop || :
+    else
+        pid=$(ps -ef | grep "taosd" | grep -v "grep" | awk '{print $2}')
+        ${csudo} kill -9 ${pid}   || :
     fi
     echo "Stop taosd service success!"
     sleep 1
@@ -29,5 +24,7 @@ cfg_install_dir="/etc/taos"
 install_main_dir="/usr/local/taos"
 if [ -f ${cfg_install_dir}/taos.cfg ]; then
     ${csudo} rm -f ${install_main_dir}/cfg/taos.cfg   || :
-fi    
+fi
 
+# there can not libtaos.so*, otherwise ln -s  error
+${csudo} rm -f ${install_main_dir}/driver/libtaos*   || :    
diff --git a/packaging/deb/DEBIAN/prerm b/packaging/deb/DEBIAN/prerm
index e5a7c027a30ba1a7790e25ad03999462a6bdf30d..1af6a0494331774a12fd297979dc98914490ce97 100644
--- a/packaging/deb/DEBIAN/prerm
+++ b/packaging/deb/DEBIAN/prerm
@@ -7,6 +7,34 @@ if command -v sudo > /dev/null; then
     csudo="sudo"
 fi
 
-${csudo} chmod -R 744 ${insmetaPath}
-cd ${insmetaPath}
-${csudo} ./preun.sh
+${csudo} chmod -R 744 ${insmetaPath}  || :
+#cd ${insmetaPath}
+#${csudo} ./preun.sh
+if [ -f ${insmetaPath}/preun.sh ]; then
+    cd ${insmetaPath}
+    ${csudo} ./preun.sh
+else
+    bin_link_dir="/usr/bin"
+    lib_link_dir="/usr/lib"
+    inc_link_dir="/usr/include"
+    
+    data_link_dir="/usr/local/taos/data"
+    log_link_dir="/usr/local/taos/log"
+    cfg_link_dir="/usr/local/taos/cfg"
+
+    # Remove all links
+    ${csudo} rm -f ${bin_link_dir}/taos       || :
+    ${csudo} rm -f ${bin_link_dir}/taosd      || :
+    ${csudo} rm -f ${bin_link_dir}/taosdemo   || :
+    ${csudo} rm -f ${bin_link_dir}/taosdump   || :
+    ${csudo} rm -f ${cfg_link_dir}/*          || :
+    ${csudo} rm -f ${inc_link_dir}/taos.h     || :
+    ${csudo} rm -f ${lib_link_dir}/libtaos.*  || :
+    
+    ${csudo} rm -f ${log_link_dir}            || :
+    ${csudo} rm -f ${data_link_dir}           || :
+    
+    pid=$(ps -ef | grep "taosd" | grep -v "grep" | awk '{print $2}')
+    ${csudo} kill -9 ${pid}   || :
+fi
+
diff --git a/packaging/rpm/tdengine.spec b/packaging/rpm/tdengine.spec
index 42f67a37f7c75502b7f9f2677c3aef0eebd7b923..7b0a1afd6e75b68719a190848e0c50b2c170ef0d 100644
--- a/packaging/rpm/tdengine.spec
+++ b/packaging/rpm/tdengine.spec
@@ -1,5 +1,6 @@
 %define homepath         /usr/local/taos
 %define cfg_install_dir  /etc/taos
+%define __strip /bin/true
 
 Name:		  tdengine
 Version:	%{_version}
@@ -98,6 +99,9 @@ if [ -f %{cfg_install_dir}/taos.cfg ]; then
     ${csudo} rm -f %{homepath}/cfg/taos.cfg   || :
 fi 
 
+# there can not libtaos.so*, otherwise ln -s  error
+${csudo} rm -f %{homepath}/driver/libtaos*   || :
+
 #Scripts executed after installation
 %post
 csudo=""
@@ -115,8 +119,36 @@ if command -v sudo > /dev/null; then
 fi
 # only remove package to call preun.sh, not but update(2) 
 if [ $1 -eq 0 ];then
-  cd %{homepath}/script
-  ${csudo} ./preun.sh
+  #cd %{homepath}/script
+  #${csudo} ./preun.sh
+  
+  if [ -f %{homepath}/script/preun.sh ]; then
+    cd %{homepath}/script
+    ${csudo} ./preun.sh
+  else
+    bin_link_dir="/usr/bin"
+    lib_link_dir="/usr/lib"
+    inc_link_dir="/usr/include"
+    
+    data_link_dir="/usr/local/taos/data"
+    log_link_dir="/usr/local/taos/log"
+    cfg_link_dir="/usr/local/taos/cfg"
+
+    # Remove all links
+    ${csudo} rm -f ${bin_link_dir}/taos       || :
+    ${csudo} rm -f ${bin_link_dir}/taosd      || :
+    ${csudo} rm -f ${bin_link_dir}/taosdemo   || :
+    ${csudo} rm -f ${bin_link_dir}/taosdump   || :
+    ${csudo} rm -f ${cfg_link_dir}/*          || :
+    ${csudo} rm -f ${inc_link_dir}/taos.h     || :
+    ${csudo} rm -f ${lib_link_dir}/libtaos.*  || :
+    
+    ${csudo} rm -f ${log_link_dir}            || :
+    ${csudo} rm -f ${data_link_dir}           || :
+    
+    pid=$(ps -ef | grep "taosd" | grep -v "grep" | awk '{print $2}')
+    ${csudo} kill -9 ${pid}   || :      
+  fi  
 fi
  
 # Scripts executed after uninstall
diff --git a/packaging/tools/make_install.sh b/packaging/tools/make_install.sh
index 4bb4a6495a0c6b0c14d718b47d482a5e11e652e2..19e7cc4efea60aa1990baeb46097d718eb3cbfc7 100755
--- a/packaging/tools/make_install.sh
+++ b/packaging/tools/make_install.sh
@@ -26,7 +26,7 @@ inc_link_dir="/usr/include"
 #install main path
 install_main_dir="/usr/local/taos"
 
-# old bin
+# old bin dir
 bin_dir="/usr/local/taos/bin"
 
 service_config_dir="/etc/systemd/system"
@@ -43,18 +43,27 @@ if command -v sudo > /dev/null; then
     csudo="sudo"
 fi
 
-function is_using_systemd() {
-    if pidof systemd &> /dev/null; then
-        return 0
-    else
-        return 1
-    fi
-}
-
-if ! is_using_systemd; then
+initd_mod=0
+service_mod=2
+if pidof systemd &> /dev/null; then
+    service_mod=0
+elif $(which insserv &> /dev/null); then
+    service_mod=1
+    initd_mod=1
     service_config_dir="/etc/init.d"
+elif $(which update-rc.d &> /dev/null); then
+    service_mod=1
+    initd_mod=2
+    service_config_dir="/etc/init.d"
+else 
+    service_mod=2
 fi
 
+function kill_taosd() {
+  pid=$(ps -ef | grep "taosd" | grep -v "grep" | awk '{print $2}')
+  ${csudo} kill -9 ${pid}   || :
+}
+
 function install_main_path() {
     #create install main dir and all sub dir
     ${csudo} rm -rf ${install_main_dir}    || :
@@ -65,35 +74,32 @@ function install_main_path() {
     ${csudo} mkdir -p ${install_main_dir}/driver
     ${csudo} mkdir -p ${install_main_dir}/examples
     ${csudo} mkdir -p ${install_main_dir}/include
-    ${csudo} mkdir -p ${install_main_dir}/init.d     
+    ${csudo} mkdir -p ${install_main_dir}/init.d
 }
 
 function install_bin() {
     # Remove links
     ${csudo} rm -f ${bin_link_dir}/taos     || :
     ${csudo} rm -f ${bin_link_dir}/taosd    || :
-    ${csudo} rm -f ${bin_link_dir}/taosdump || :
     ${csudo} rm -f ${bin_link_dir}/taosdemo || :
+    ${csudo} rm -f ${bin_link_dir}/taosdump || :
     ${csudo} rm -f ${bin_link_dir}/rmtaos   || :
 
-    ${csudo} cp -r ${binary_dir}/build/bin/taos ${install_main_dir}/bin 
-    ${csudo} cp -r ${binary_dir}/build/bin/taosd ${install_main_dir}/bin
-    ${csudo} cp -r ${binary_dir}/build/bin/taosdemo ${install_main_dir}/bin
-    ${csudo} cp -r ${binary_dir}/build/bin/taosdump ${install_main_dir}/bin
-    ${csudo} cp -r ${script_dir}/remove.sh ${install_main_dir}/bin       
+    ${csudo} cp -r ${binary_dir}/build/bin/* ${install_main_dir}/bin 
+    ${csudo} cp -r ${script_dir}/remove.sh   ${install_main_dir}/bin       
     ${csudo} chmod 0555 ${install_main_dir}/bin/*
 
     #Make link
-    [ -x ${install_main_dir}/bin/taos ] && ${csudo} ln -s ${install_main_dir}/bin/taos ${bin_link_dir}/taos             || :
-    [ -x ${install_main_dir}/bin/taosd ] && ${csudo} ln -s ${install_main_dir}/bin/taosd ${bin_link_dir}/taosd          || :  
-    [ -x ${install_main_dir}/bin/taosdemo ] && ${csudo} ln -s ${install_main_dir}/bin/taosdemo ${bin_link_dir}/taosdemo || : 
-    [ -x ${install_main_dir}/bin/taosdump ] && ${csudo} ln -s ${install_main_dir}/bin/taosdump ${bin_link_dir}/taosdump || :
-    [ -x ${install_main_dir}/bin/remove.sh ] && ${csudo} ln -s ${install_main_dir}/bin/remove.sh ${bin_link_dir}/rmtaos || :
+    [ -x ${install_main_dir}/bin/taos ]      && ${csudo} ln -s ${install_main_dir}/bin/taos ${bin_link_dir}/taos         || :
+    [ -x ${install_main_dir}/bin/taosd ]     && ${csudo} ln -s ${install_main_dir}/bin/taosd ${bin_link_dir}/taosd       || : 
+    [ -x ${install_main_dir}/bin/taosdump ]  && ${csudo} ln -s ${install_main_dir}/bin/taosdump ${bin_link_dir}/taosdump || :
+    [ -x ${install_main_dir}/bin/taosdemo ]  && ${csudo} ln -s ${install_main_dir}/bin/taosdemo ${bin_link_dir}/taosdemo || : 
+    [ -x ${install_main_dir}/bin/remove.sh ] && ${csudo} ln -s ${install_main_dir}/bin/remove.sh ${bin_link_dir}/rmtaos  || :
 }
 
 function install_lib() {
     # Remove links
-    ${csudo} rm -f ${lib_link_dir}/libtaos.so     || :
+    ${csudo} rm -f ${lib_link_dir}/libtaos.*     || :    
     
     versioninfo=$(${script_dir}/get_version.sh)
     ${csudo} cp ${binary_dir}/build/lib/libtaos.so.${versioninfo} ${install_main_dir}/driver && ${csudo} chmod 777 ${install_main_dir}/driver/*
@@ -152,7 +158,13 @@ function clean_service_on_sysvinit() {
     fi
     ${csudo} sed -i "\|${restart_config_str}|d" /etc/inittab || :
     ${csudo} rm -f ${service_config_dir}/taosd || :
-    ${csudo} update-rc.d -f taosd remove || :
+
+    if ((${initd_mod}==1)); then
+        ${csudo} grep -q -F "taos" /etc/inittab && ${csudo} insserv -r taosd || :
+    elif ((${initd_mod}==2)); then
+        ${csudo} grep -q -F "taos" /etc/inittab && ${csudo} update-rc.d -f taosd remove || :
+    fi
+#    ${csudo} update-rc.d -f taosd remove || :
     ${csudo} init q || :
 }
 
@@ -162,12 +174,18 @@ function install_service_on_sysvinit() {
     sleep 1
 
     # Install taosd service
-    ${csudo} cp ${script_dir}/../rpm/init.d/taosd ${service_config_dir} && ${csudo} chmod a+x ${service_config_dir}/taosd
+    ${csudo} cp -f ${script_dir}/../deb/init.d/taosd ${install_main_dir}/init.d
+    ${csudo} cp    ${script_dir}/../deb/init.d/taosd ${service_config_dir} && ${csudo} chmod a+x ${service_config_dir}/taosd
     restart_config_str="taos:2345:respawn:${service_config_dir}/taosd start"
 
     ${csudo} grep -q -F "$restart_config_str" /etc/inittab || ${csudo} bash -c "echo '${restart_config_str}' >> /etc/inittab"
     # TODO: for centos, change here
-    ${csudo} update-rc.d taosd defaults
+    if ((${initd_mod}==1)); then
+        ${csudo} insserv taosd || :
+    elif ((${initd_mod}==2)); then
+        ${csudo} update-rc.d taosd defaults || :
+    fi
+#    ${csudo} update-rc.d taosd defaults
     # chkconfig mysqld on
 }
 
@@ -213,10 +231,13 @@ function install_service_on_systemd() {
 }
 
 function install_service() {
-    if is_using_systemd; then
+    if ((${service_mod}==0)); then
         install_service_on_systemd
-    elif $(which update-rc.d &> /dev/null); then
+    elif ((${service_mod}==1)); then
         install_service_on_sysvinit
+    else
+        # must manual start taosd
+        kill_taosd
     fi
 }
 
@@ -224,37 +245,40 @@ function update_TDengine() {
     echo -e "${GREEN}Start to update TDEngine...${NC}"
     # Stop the service if running
     if pidof taosd &> /dev/null; then
-        if is_using_systemd; then
+        if ((${service_mod}==0)); then
             ${csudo} systemctl stop taosd || :
-        else
+        elif ((${service_mod}==1)); then
             ${csudo} service taosd stop || :
+        else
+            kill_taosd
         fi
         sleep 1
     fi
-
+    
     install_main_path
 
     install_log
     install_header
     install_lib
-    install_bin
-    # install_service
-    install_config
     install_connector
     install_examples
+    install_bin
+    install_service
+    install_config
 
-    echo
-    echo -e "\033[44;32;1mTDengine is updated successfully!${NC}"
-    echo
-    echo -e "${GREEN_DARK}To configure TDengine ${NC}: edit /etc/taos/taos.cfg"
-    # if is_using_systemd; then
-    #     echo -e "${GREEN_DARK}To start TDengine     ${NC}: ${csudo} systemctl start taosd${NC}"
-    # else
-    #     echo -e "${GREEN_DARK}To start TDengine     ${NC}: ${csudo} update-rc.d taosd default  ${RED} for the first time${NC}"
-    #     echo -e "                      : ${csudo} service taosd start ${RED} after${NC}"
-    # fi
-
-    # echo -e "${GREEN_DARK}To access TDengine    ${NC}: use ${GREEN_UNDERLINE}taos${NC} in shell${NC}"
+     echo
+     echo -e "\033[44;32;1mTDengine is updated successfully!${NC}"
+     echo
+     echo -e "${GREEN_DARK}To configure TDengine ${NC}: edit /etc/taos/taos.cfg"
+     if ((${service_mod}==0)); then
+         echo -e "${GREEN_DARK}To start TDengine     ${NC}: ${csudo} systemctl start taosd${NC}"
+     elif ((${service_mod}==1)); then
+            echo -e "${GREEN_DARK}To start TDengine     ${NC}: ${csudo} service taosd start${NC}"
+      else
+          echo -e "${GREEN_DARK}To start TDengine     ${NC}: ./taosd${NC}"
+      fi
+
+    echo -e "${GREEN_DARK}To access TDengine    ${NC}: use ${GREEN_UNDERLINE}taos${NC} in shell${NC}"
     echo
     echo -e "\033[44;32;1mTDengine is updated successfully!${NC}"
 }
@@ -267,26 +291,27 @@ function install_TDengine() {
     install_data
     install_log 
     install_header
-    install_bin
     install_lib
-    # install_service
-    install_config	    
     install_connector
     install_examples
 
+    install_bin
+    install_service
+    install_config	
     # Ask if to start the service
     echo
     echo -e "\033[44;32;1mTDengine is installed successfully!${NC}"
     echo
     echo -e "${GREEN_DARK}To configure TDengine ${NC}: edit /etc/taos/taos.cfg"
-    # if is_using_systemd; then
-    #    echo -e "${GREEN_DARK}To start TDengine     ${NC}: ${csudo} systemctl start taosd${NC}"
-    # else
-    #    echo -e "${GREEN_DARK}To start TDengine     ${NC}: ${csudo} update-rc.d taosd default  ${RED} for the first time${NC}"
-    #    echo -e "                      : ${csudo} service taosd start ${RED} after${NC}"
-    #3 fi
-
-    # echo -e "${GREEN_DARK}To access TDengine    ${NC}: use ${GREEN_UNDERLINE}taos${NC} in shell${NC}"
+    if ((${service_mod}==0)); then
+        echo -e "${GREEN_DARK}To start TDengine     ${NC}: ${csudo} systemctl start taosd${NC}"
+    elif ((${service_mod}==1)); then
+            echo -e "${GREEN_DARK}To start TDengine    ${NC}: ${csudo} service taosd start${NC}"
+    else
+        echo -e "${GREEN_DARK}To start TDengine     ${NC}: ./taosd${NC}"
+    fi
+
+    echo -e "${GREEN_DARK}To access TDengine    ${NC}: use ${GREEN_UNDERLINE}taos${NC} in shell${NC}"
     echo
     echo -e "\033[44;32;1mTDengine is installed successfully!${NC}"
 }
diff --git a/packaging/tools/post.sh b/packaging/tools/post.sh
index a143e085320479998f2164420d0ba3cf9aefe5db..7dd64306602ee1c4d28a6622f3f96d7ed37377cf 100755
--- a/packaging/tools/post.sh
+++ b/packaging/tools/post.sh
@@ -66,7 +66,7 @@ function install_include() {
 }
 
 function install_lib() {
-    ${csudo} rm -f ${lib_link_dir}/libtaos.so || :
+    ${csudo} rm -f ${lib_link_dir}/libtaos* || :
     
     ${csudo} ln -s ${lib_dir}/libtaos.* ${lib_link_dir}/libtaos.so.1
     ${csudo} ln -s ${lib_link_dir}/libtaos.so.1 ${lib_link_dir}/libtaos.so
diff --git a/packaging/tools/preun.sh b/packaging/tools/preun.sh
index b245d7bd833a4d07da267ead9e96e314bf166b7b..4566db1b5afd185c415238f6501277da3638fcdc 100755
--- a/packaging/tools/preun.sh
+++ b/packaging/tools/preun.sh
@@ -22,18 +22,28 @@ if command -v sudo > /dev/null; then
     csudo="sudo"
 fi
 
-function is_using_systemd() {
-    if pidof systemd &> /dev/null; then
-        return 0
-    else
-        return 1
-    fi
-}
-
-if ! is_using_systemd; then
+initd_mod=0
+service_mod=2
+if pidof systemd &> /dev/null; then
+    service_mod=0
+elif $(which insserv &> /dev/null); then
+    service_mod=1
+    initd_mod=1
+    service_config_dir="/etc/init.d"
+elif $(which update-rc.d &> /dev/null); then
+    service_mod=1
+    initd_mod=2
     service_config_dir="/etc/init.d"
+else 
+    service_mod=2
 fi
 
+
+function kill_taosd() {
+  pid=$(ps -ef | grep "taosd" | grep -v "grep" | awk '{print $2}')
+  ${csudo} kill -9 ${pid}   || :
+}
+
 function clean_service_on_systemd() {
     taosd_service_config="${service_config_dir}/${taos_service_name}.service"
 
@@ -48,23 +58,29 @@ function clean_service_on_systemd() {
 
 function clean_service_on_sysvinit() {
     restart_config_str="taos:2345:respawn:${service_config_dir}/taosd start"
-
     if pidof taosd &> /dev/null; then
-        echo "TDengine taosd is running, stopping it..."
         ${csudo} service taosd stop || :
     fi
-
     ${csudo} sed -i "\|${restart_config_str}|d" /etc/inittab || :
     ${csudo} rm -f ${service_config_dir}/taosd || :
-    ${csudo} update-rc.d -f taosd remove || :
+
+    if ((${initd_mod}==1)); then
+        ${csudo} grep -q -F "taos" /etc/inittab && ${csudo} insserv -r taosd || :
+    elif ((${initd_mod}==2)); then
+        ${csudo} grep -q -F "taos" /etc/inittab && ${csudo} update-rc.d -f taosd remove || :
+    fi
+#    ${csudo} update-rc.d -f taosd remove || :
     ${csudo} init q || :
 }
 
 function clean_service() {
-    if is_using_systemd; then
+    if ((${service_mod}==0)); then
         clean_service_on_systemd
-    else
+    elif ((${service_mod}==1)); then
         clean_service_on_sysvinit
+    else
+        # must manual start taosd
+        kill_taosd
     fi
 }
 
@@ -83,4 +99,8 @@ ${csudo} rm -f ${lib_link_dir}/libtaos.*  || :
 ${csudo} rm -f ${log_link_dir}            || :
 ${csudo} rm -f ${data_link_dir}           || :
 
+if ((${service_mod}==2)); then
+    kill_taosd
+fi
+
 echo -e "${GREEN}TDEngine is removed successfully!${NC}"
diff --git a/src/os/linux/src/os.c b/src/os/linux/src/os.c
index 41dee256593256a216730c7851ea5f26a6e8e79f..7b6be057c801f6b9be5d48d82b4772514815bd5f 100644
--- a/src/os/linux/src/os.c
+++ b/src/os/linux/src/os.c
@@ -278,7 +278,7 @@ ssize_t tsendfile(int dfd, int sfd, off_t *offset, size_t size) {
 ssize_t twrite(int fd, void *buf, size_t n) {
   size_t nleft = n; 
   ssize_t nwritten = 0;
-  char *tbuf = (char *)buf
+  char *tbuf = (char *)buf;
 
   while (nleft > 0) {
     nwritten = write(fd, (void *)tbuf, nleft);
diff --git a/src/system/src/dnodeService.c b/src/system/src/dnodeService.c
index c3eab50048ace2078a7a938b04a4f804d51c6ce7..8249c51faa658e16347d51e3948f827670ea5b23 100644
--- a/src/system/src/dnodeService.c
+++ b/src/system/src/dnodeService.c
@@ -67,6 +67,8 @@ int main(int argc, char *argv[]) {
       }
     } else if (strcmp(argv[i], "-V") == 0) {
       printf("%s %s\n", version, compatible_version);
+      printf("gitinfo: %s\n", gitinfo);
+      printf("buildinfo: %s\n", buildinfo);
       return 0;
     }
   }