diff --git a/cmake/version.inc b/cmake/version.inc
index dd9f313b2a955397eb578d6b84e35e6bcfff10f3..1de403f61ac789da3774e99a1b8ac2132dbab9cb 100755
--- a/cmake/version.inc
+++ b/cmake/version.inc
@@ -4,7 +4,7 @@ PROJECT(TDengine)
 IF (DEFINED VERNUMBER)
   SET(TD_VER_NUMBER ${VERNUMBER})
 ELSE ()
-  SET(TD_VER_NUMBER "2.4.0.14")
+  SET(TD_VER_NUMBER "2.4.0.16")
 ENDIF ()
 
 IF (DEFINED VERCOMPATIBLE)
diff --git a/packaging/clean_env.sh b/packaging/clean_env.sh
index 6d070c9a0d1dfd0b34333a2b6aa2254da1b20f84..51a0fe4eb218d2f5a1aaae097bf7f94e9f168599 100755
--- a/packaging/clean_env.sh
+++ b/packaging/clean_env.sh
@@ -26,24 +26,9 @@ fi
 
 cd $TOOLS_DIR
 git checkout -- .
-if [[ -e packaging/tools/install-khtools.sh ]]; then
-  rm -f packaging/tools/install-khtools.sh
-fi
-if [[ -e packaging/tools/uninstall-khtools.sh ]]; then
-  rm -f packaging/tools/uninstall-khtools.sh
-fi
-if [[ -e packaging/tools/install-prodbtools.sh ]]; then
-  rm -f packaging/tools/install-prodbtools.sh
-fi
-if [[ -e packaging/tools/uninstall-prodbtools.sh ]]; then
-  rm -f packaging/tools/uninstall-prodbtools.sh
-fi
-if [[ -e packaging/tools/install-powertools.sh ]]; then
-  rm -f packaging/tools/install-powertools.sh
-fi
-if [[ -e packaging/tools/uninstall-powertools.sh ]]; then
-  rm -f packaging/tools/uninstall-powertools.sh
-fi
+
+rm -f $(find packaging/tools/ -name install-*tools.sh | grep -v taos)
+rm -f $(find packaging/tools/ -name uninstall-*tools.sh | grep -v taos)
 
 rm -rf $COMMUNITY_DIR/debug/*
 rm -rf $COMMUNITY_DIR/release/*
diff --git a/packaging/tools/install.sh b/packaging/tools/install.sh
index 9c8d537ab0aa3ec88a78f96cb4f812591973a090..f07705ff442b65f1295431e59b48ef50a76cadc0 100755
--- a/packaging/tools/install.sh
+++ b/packaging/tools/install.sh
@@ -29,6 +29,9 @@ logDir="/var/log/taos"
 configDir="/etc/taos"
 installDir="/usr/local/taos"
 adapterName="taosadapter"
+benchmarkName="taosBenchmark"
+dumpName="taosdump"
+demoName="taosdemo"
 
 data_dir=${dataDir}
 log_dir=${logDir}
@@ -202,9 +205,9 @@ function install_bin() {
   [ -x ${install_main_dir}/bin/${clientName} ] && ${csudo}ln -s ${install_main_dir}/bin/${clientName} ${bin_link_dir}/${clientName} || :
   [ -x ${install_main_dir}/bin/${serverName} ] && ${csudo}ln -s ${install_main_dir}/bin/${serverName} ${bin_link_dir}/${serverName} || :
   [ -x ${install_main_dir}/bin/${adapterName} ] && ${csudo}ln -s ${install_main_dir}/bin/${adapterName} ${bin_link_dir}/${adapterName} || :
-  [ -x ${install_main_dir}/bin/taosBenchmark ] && ${csudo}ln -s ${install_main_dir}/bin/taosBenchmark ${bin_link_dir}/taosdemo || :
-  [ -x ${install_main_dir}/bin/taosBenchmark ] && ${csudo}ln -s ${install_main_dir}/bin/taosBenchmark ${bin_link_dir}/taosBenchmark || :
-  [ -x ${install_main_dir}/bin/taosdump ] && ${csudo}ln -s ${install_main_dir}/bin/taosdump ${bin_link_dir}/taosdump || :
+  [ -x ${install_main_dir}/bin/${benchmarkName} ] && ${csudo}ln -s ${install_main_dir}/bin/${benchmarkName} ${bin_link_dir}/${demoName} || :
+  [ -x ${install_main_dir}/bin/${benchmarkName} ] && ${csudo}ln -s ${install_main_dir}/bin/${benchmarkName} ${bin_link_dir}/${benchmarkName} || :
+  [ -x ${install_main_dir}/bin/${dumpName} ] && ${csudo}ln -s ${install_main_dir}/bin/${dumpName} ${bin_link_dir}/${dumpName} || :
   [ -x ${install_main_dir}/bin/TDinsight.sh ] && ${csudo}ln -s ${install_main_dir}/bin/TDinsight.sh ${bin_link_dir}/TDinsight.sh || :
   [ -x ${install_main_dir}/bin/remove.sh ] && ${csudo}ln -s ${install_main_dir}/bin/remove.sh ${bin_link_dir}/${uninstallScript} || :
   [ -x ${install_main_dir}/bin/set_core.sh ] && ${csudo}ln -s ${install_main_dir}/bin/set_core.sh ${bin_link_dir}/set_core || :
@@ -864,7 +867,7 @@ function updateProduct() {
     echo -e "\033[44;32;1m${productName} client is updated successfully!${NC}"
   fi
 
-  rm -rf $(tar -tf ${tarName} |grep -v "^\./$")
+  rm -rf $(tar -tf ${tarName} | grep -v "^\./$")
 }
 
 function installProduct() {
@@ -960,7 +963,7 @@ function installProduct() {
   fi
 
   touch ~/.${historyFile}
-  rm -rf $(tar -tf ${tarName} |grep -v "^\./$")
+  rm -rf $(tar -tf ${tarName} | grep -v "^\./$")
 }
 
 ## ==============================Main program starts from here============================
diff --git a/packaging/tools/makepkg.sh b/packaging/tools/makepkg.sh
index c03f5b5e856d99e2cd6b0d8d9530830012ca8570..139749e4e64bd2f7c4983915274c8c2b879ad775 100755
--- a/packaging/tools/makepkg.sh
+++ b/packaging/tools/makepkg.sh
@@ -64,9 +64,11 @@ if [ "$pagMode" == "lite" ]; then
   taostools_bin_files=""
 else
 
-  wget https://github.com/taosdata/grafanaplugin/releases/latest/download/TDinsight.sh -O ${build_dir}/bin/TDinsight.sh \
-      && echo "TDinsight.sh downloaded!" \
-      || echo "failed to download TDinsight.sh"
+
+  wget https://github.com/taosdata/grafanaplugin/releases/latest/download/TDinsight.sh -O ${build_dir}/bin/TDinsight.sh &&
+    echo "TDinsight.sh downloaded!" ||
+    echo "failed to download TDinsight.sh"
+
   # download TDinsight caches
   orig_pwd=$(pwd)
   tdinsight_caches=""
@@ -81,6 +83,7 @@ else
       ${build_dir}/bin/TDinsight.sh \
       $tdinsight_caches"
 
+  #!!! do not change taosadapter here
   bin_files="${build_dir}/bin/${serverName} \
       ${build_dir}/bin/${clientName} \
       ${taostools_bin_files} \
@@ -115,10 +118,11 @@ mkdir -p ${install_dir}
 mkdir -p ${install_dir}/inc && cp ${header_files} ${install_dir}/inc
 mkdir -p ${install_dir}/cfg && cp ${cfg_dir}/${configFile} ${install_dir}/cfg/${configFile}
 
+# !!! do not change the taosadapter here!!!
 if [ -f "${compile_dir}/test/cfg/taosadapter.toml" ]; then
   cp ${compile_dir}/test/cfg/taosadapter.toml ${install_dir}/cfg || :
 fi
-
+# !!! do not change the taosadapter here!!!
 if [ -f "${compile_dir}/test/cfg/taosadapter.service" ]; then
   cp ${compile_dir}/test/cfg/taosadapter.service ${install_dir}/cfg || :
 fi
@@ -141,50 +145,52 @@ mkdir -p ${install_dir}/init.d && cp ${init_file_rpm} ${install_dir}/init.d/${se
 mkdir -p ${install_dir}/init.d && cp ${init_file_tarbitrator_deb} ${install_dir}/init.d/tarbitratord.deb || :
 mkdir -p ${install_dir}/init.d && cp ${init_file_tarbitrator_rpm} ${install_dir}/init.d/tarbitratord.rpm || :
 
+# !!! do not change taosadaptor here
 if [ $adapterName != "taosadapter" ]; then
+  # !!! do not change taosadaptor here
   mv ${install_dir}/cfg/taosadapter.toml ${install_dir}/cfg/$adapterName.toml
   sed -i "s/path = \"\/var\/log\/taos\"/path = \"\/var\/log\/${productName}\"/g" ${install_dir}/cfg/$adapterName.toml
   sed -i "s/password = \"taosdata\"/password = \"${defaultPasswd}\"/g" ${install_dir}/cfg/$adapterName.toml
-
+  # !!! do not change taosadaptor here
   mv ${install_dir}/cfg/taosadapter.service ${install_dir}/cfg/$adapterName.service
   sed -i "s/TDengine/${productName}/g" ${install_dir}/cfg/$adapterName.service
   sed -i "s/taosAdapter/${adapterName}/g" ${install_dir}/cfg/$adapterName.service
   sed -i "s/taosadapter/${adapterName}/g" ${install_dir}/cfg/$adapterName.service
-
+  # !!! do not change taosadaptor here
   mv ${install_dir}/bin/taosadapter ${install_dir}/bin/${adapterName}
   mv ${install_dir}/bin/run_taosd_and_taosadapter.sh ${install_dir}/bin/run_${serverName}_and_${adapterName}.sh
   mv ${install_dir}/bin/taosd-dump-cfg.gdb ${install_dir}/bin/${serverName}-dump-cfg.gdb
 fi
 
 if [ -n "${taostools_bin_files}" ]; then
-    mkdir -p ${taostools_install_dir} || echo -e "failed to create ${taostools_install_dir}"
-    mkdir -p ${taostools_install_dir}/bin \
-        && cp ${taostools_bin_files} ${taostools_install_dir}/bin \
-        && chmod a+x ${taostools_install_dir}/bin/* || :
-
-    if [ -f ${top_dir}/src/kit/taos-tools/packaging/tools/install-${toolsName}.sh ]; then
-        cp ${top_dir}/src/kit/taos-tools/packaging/tools/install-${toolsName}.sh \
-            ${taostools_install_dir}/ > /dev/null \
-            && chmod a+x ${taostools_install_dir}/install-${toolsName}.sh \
-            || echo -e "failed to copy install-${toolsName}.sh"
-    else
-        echo -e "install-${toolsName}.sh not found"
-    fi
+  mkdir -p ${taostools_install_dir} || echo -e "failed to create ${taostools_install_dir}"
+  mkdir -p ${taostools_install_dir}/bin &&
+    cp ${taostools_bin_files} ${taostools_install_dir}/bin &&
+    chmod a+x ${taostools_install_dir}/bin/* || :
+
+  if [ -f ${top_dir}/src/kit/taos-tools/packaging/tools/install-${toolsName}.sh ]; then
+    cp ${top_dir}/src/kit/taos-tools/packaging/tools/install-${toolsName}.sh \
+      ${taostools_install_dir}/ >/dev/null &&
+      chmod a+x ${taostools_install_dir}/install-${toolsName}.sh ||
+      echo -e "failed to copy install-${toolsName}.sh"
+  else
+    echo -e "install-${toolsName}.sh not found"
+  fi
 
-    if [ -f ${top_dir}/src/kit/taos-tools/packaging/tools/uninstall-${toolsName}.sh ]; then
-        cp ${top_dir}/src/kit/taos-tools/packaging/tools/uninstall-${toolsName}.sh \
-            ${taostools_install_dir}/ > /dev/null \
-            && chmod a+x ${taostools_install_dir}/uninstall-${toolsName}.sh \
-            || echo -e "failed to copy uninstall-${toolsName}.sh"
-    else
-        echo -e "uninstall-${toolsName}.sh not found"
-    fi
+  if [ -f ${top_dir}/src/kit/taos-tools/packaging/tools/uninstall-${toolsName}.sh ]; then
+    cp ${top_dir}/src/kit/taos-tools/packaging/tools/uninstall-${toolsName}.sh \
+      ${taostools_install_dir}/ >/dev/null &&
+      chmod a+x ${taostools_install_dir}/uninstall-${toolsName}.sh ||
+      echo -e "failed to copy uninstall-${toolsName}.sh"
+  else
+    echo -e "uninstall-${toolsName}.sh not found"
+  fi
 
-    if [ -f ${build_dir}/lib/libavro.so.23.0.0 ]; then
-        mkdir -p ${taostools_install_dir}/avro/{lib,lib/pkgconfig} || echo -e "failed to create ${taostools_install_dir}/avro"
-        cp ${build_dir}/lib/libavro.* ${taostools_install_dir}/avro/lib
-        cp ${build_dir}/lib/pkgconfig/avro-c.pc ${taostools_install_dir}/avro/lib/pkgconfig
-    fi
+  if [ -f ${build_dir}/lib/libavro.so.23.0.0 ]; then
+    mkdir -p ${taostools_install_dir}/avro/{lib,lib/pkgconfig} || echo -e "failed to create ${taostools_install_dir}/avro"
+    cp ${build_dir}/lib/libavro.* ${taostools_install_dir}/avro/lib
+    cp ${build_dir}/lib/pkgconfig/avro-c.pc ${taostools_install_dir}/avro/lib/pkgconfig
+  fi
 fi
 
 if [ -f ${build_dir}/bin/jemalloc-config ]; then
@@ -366,13 +372,13 @@ if [ "$exitcode" != "0" ]; then
 fi
 
 if [ -n "${taostools_bin_files}" ]; then
-    wget https://github.com/taosdata/grafanaplugin/releases/latest/download/TDinsight.sh -O ${taostools_install_dir}/bin/TDinsight.sh && echo "TDinsight.sh downloaded!"|| echo "failed to download TDinsight.sh"
-    tar -zcv -f "$(basename ${taostools_pkg_name}).tar.gz" "$(basename ${taostools_install_dir})" --remove-files || :
-    exitcode=$?
-    if [ "$exitcode" != "0" ]; then
-        echo "tar ${taostools_pkg_name}.tar.gz error !!!"
-        exit $exitcode
-    fi
+  wget https://github.com/taosdata/grafanaplugin/releases/latest/download/TDinsight.sh -O ${taostools_install_dir}/bin/TDinsight.sh && echo "TDinsight.sh downloaded!" || echo "failed to download TDinsight.sh"
+  tar -zcv -f "$(basename ${taostools_pkg_name}).tar.gz" "$(basename ${taostools_install_dir})" --remove-files || :
+  exitcode=$?
+  if [ "$exitcode" != "0" ]; then
+    echo "tar ${taostools_pkg_name}.tar.gz error !!!"
+    exit $exitcode
+  fi
 fi
 
 cd ${curr_dir}
diff --git a/packaging/tools/remove.sh b/packaging/tools/remove.sh
index fa74734a24fe6a82cb8980f79815293649cab15a..644cc0eaca302c3b1903764d2ad13160e96172dd 100755
--- a/packaging/tools/remove.sh
+++ b/packaging/tools/remove.sh
@@ -17,6 +17,9 @@ clientName="taos"
 uninstallScript="rmtaos"
 productName="TDengine"
 adapterName="taosadapter"
+benchmarkName="taosBenchmark"
+dumpName="taosdump"
+demoName="taosdemo"
 
 #install main path
 install_main_dir=${installDir}
@@ -71,9 +74,9 @@ function clean_bin() {
   ${csudo}rm -f ${bin_link_dir}/${clientName} || :
   ${csudo}rm -f ${bin_link_dir}/${serverName} || :
   ${csudo}rm -f ${bin_link_dir}/${adapterName} || :
-  ${csudo}rm -f ${bin_link_dir}/taosBenchmark || :
-  ${csudo}rm -f ${bin_link_dir}/taosdemo || :
-  ${csudo}rm -f ${bin_link_dir}/taosdump || :
+  ${csudo}rm -f ${bin_link_dir}/${benchmarkName} || :
+  ${csudo}rm -f ${bin_link_dir}/${demoName} || :
+  ${csudo}rm -f ${bin_link_dir}/${dumpName} || :
   ${csudo}rm -f ${bin_link_dir}/${uninstallScript} || :
   ${csudo}rm -f ${bin_link_dir}/tarbitrator || :
   ${csudo}rm -f ${bin_link_dir}/set_core || :
@@ -146,7 +149,7 @@ function clean_service_on_systemd() {
 function clean_service_on_sysvinit() {
   if pidof ${serverName} &>/dev/null; then
     echo "${productName} ${serverName} is running, stopping it..."
-    ${csudo}service taosd stop || :
+    ${csudo}service ${serverName} stop || :
   fi
 
   if pidof tarbitrator &>/dev/null; then
diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index e175508dce0669ab81f9996564a9bf3f8f2da9ba..093f424e2be7eb0d5b72517f25f2276d1905d913 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -1,6 +1,6 @@
 name: tdengine
 base: core20
-version: '2.4.0.14'
+version: '2.4.0.16'
 icon: snap/gui/t-dengine.svg
 summary: an open-source big data platform designed and optimized for IoT. 
 description: |