diff --git a/README.md b/README.md
index 41629d6df392ec069d6a0660f82ac9d0cb815170..2d84389f78365025bbb579497ba87956bf24313e 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 [![Build Status](https://travis-ci.org/taosdata/TDengine.svg?branch=master)](https://travis-ci.org/taosdata/TDengine)
 [![Build status](https://ci.appveyor.com/api/projects/status/kf3pwh2or5afsgl9/branch/master?svg=true)](https://ci.appveyor.com/project/sangshuduo/tdengine-2n8ge/branch/master)
 [![Coverage Status](https://coveralls.io/repos/github/taosdata/TDengine/badge.svg?branch=develop)](https://coveralls.io/github/taosdata/TDengine?branch=develop)
+[![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/4201/badge)](https://bestpractices.coreinfrastructure.org/projects/4201)
 
 [![TDengine](TDenginelogo.png)](https://www.taosdata.com)
 
diff --git a/packaging/release.sh b/packaging/release.sh
index 7a585431a2cc5e85d8670b8824b782d9f6b6eb91..2302b4587587ca43d9ebfb0d63364f4ae86cff0e 100755
--- a/packaging/release.sh
+++ b/packaging/release.sh
@@ -10,6 +10,7 @@ set -e
 #             -o [Linux | Kylin | Alpine | Raspberrypi | Darwin | Windows | ...]  
 #             -V [stable | beta]
 #             -l [full | lite]
+#             -n [2.0.0.3]
 
 # set parameters by default value
 verMode=edge     # [cluster, edge]
@@ -17,8 +18,9 @@ verType=stable   # [stable, beta]
 cpuType=x64      # [aarch32 | aarch64 | x64 | x86 | mips64 ...]
 osType=Linux     # [Linux | Kylin | Alpine | Raspberrypi | Darwin | Windows | ...]
 pagMode=full     # [full | lite]
+verNumber=""
 
-while getopts "hv:V:c:o:l:" arg
+while getopts "hv:V:c:o:l:n:" arg
 do
   case $arg in
     v)
@@ -37,12 +39,21 @@ do
       #echo "pagMode=$OPTARG"
       pagMode=$(echo $OPTARG)
       ;;
+    n)
+      #echo "verNumber=$OPTARG"
+      verNumber=$(echo $OPTARG)
+      ;;
     o)
       #echo "osType=$OPTARG"
       osType=$(echo $OPTARG)
       ;;
     h)
-      echo "Usage: `basename $0` -v [cluster | edge]  -c [aarch32 | aarch64 | x64 | x86 | mips64 ...] -o [Linux | Kylin | Alpine | Raspberrypi | Darwin | Windows | ...]  -V [stable | beta] -l [full | lite]"
+      echo "Usage: `basename $0` -v [cluster | edge] "
+      echo "                  -c [aarch32 | aarch64 | x64 | x86 | mips64 ...] "
+      echo "                  -o [Linux | Kylin | Alpine | Raspberrypi | Darwin | Windows | ...] "
+      echo "                  -V [stable | beta] "
+      echo "                  -l [full | lite] "
+      echo "                  -n [version number] "
       exit 0
       ;;
     ?) #unknow option 
@@ -52,7 +63,7 @@ do
   esac
 done
 
-echo "verMode=${verMode} verType=${verType} cpuType=${cpuType} osType=${osType} pagMode=${pagMode}"
+echo "verMode=${verMode} verType=${verType} cpuType=${cpuType} osType=${osType} pagMode=${pagMode} verNumber=${verNumber}"
 
 curr_dir=$(pwd)
 
@@ -80,7 +91,6 @@ function is_valid_version() {
     if [[ $1 =~ $rx ]]; then
         return 0
     fi
-
     return 1
 }
 
@@ -89,26 +99,25 @@ function vercomp () {
         echo 0
         exit 0
     fi
+    
     local IFS=.
     local i ver1=($1) ver2=($2)
+
     # fill empty fields in ver1 with zeros
     for ((i=${#ver1[@]}; i<${#ver2[@]}; i++)); do
         ver1[i]=0
     done
 
     for ((i=0; i<${#ver1[@]}; i++)); do
-        if [[ -z ${ver2[i]} ]]
-        then
+        if [[ -z ${ver2[i]} ]]; then
             # fill empty fields in ver2 with zeros
             ver2[i]=0
         fi
-        if ((10#${ver1[i]} > 10#${ver2[i]}))
-        then
+        if ((10#${ver1[i]} > 10#${ver2[i]})); then
             echo 1
             exit 0
         fi
-        if ((10#${ver1[i]} < 10#${ver2[i]}))
-        then
+        if ((10#${ver1[i]} < 10#${ver2[i]})); then
             echo 2
             exit 0
         fi
@@ -120,10 +129,11 @@ function vercomp () {
 version=$(cat ${versioninfo} | grep " version" | cut -d '"' -f2)
 compatible_version=$(cat ${versioninfo} | grep " compatible_version" | cut -d '"' -f2)
 
-while true; do
-  read -p "Do you want to release a new version? [y/N]: " is_version_change
+if [ -z ${verNumber} ]; then
+  while true; do
+    read -p "Do you want to release a new version? [y/N]: " is_version_change
 
-  if [[ ( "${is_version_change}" == "y") || ( "${is_version_change}" == "Y") ]]; then
+    if [[ ( "${is_version_change}" == "y") || ( "${is_version_change}" == "Y") ]]; then
       read -p "Please enter the new version: " tversion
       while true; do
           if (! is_valid_version $tversion) || [ "$(vercomp $tversion $version)" = '2' ]; then
@@ -152,13 +162,24 @@ while true; do
       done
 
       break
-  elif [[ ( "${is_version_change}" == "n") || ( "${is_version_change}" == "N") ]]; then
+    elif [[ ( "${is_version_change}" == "n") || ( "${is_version_change}" == "N") ]]; then
       echo "Use old version: ${version} compatible version: ${compatible_version}."
       break
-  else
+    else
       continue
-  fi
-done
+    fi
+  done
+else 
+  echo "old version: $version, new version: $verNumber"
+  #if ( ! is_valid_version $verNumber ) || [[ "$(vercomp $version $verNumber)" == '2' ]]; then
+  #  echo "please enter correct version"
+  #  exit 0
+  #else
+    version=${verNumber}
+  #fi  
+fi  
+
+echo "=======================new version number: ${version}======================================"
 
 # output the version info to the buildinfo file.
 build_time=$(date +"%F %R")
diff --git a/packaging/tools/install.sh b/packaging/tools/install.sh
index 0700ed46828674ac0eda71643c65f4b4b462f2cb..f27595a3566dee7fc3df53a0925f68cc9ab9721d 100644
--- a/packaging/tools/install.sh
+++ b/packaging/tools/install.sh
@@ -168,6 +168,7 @@ function install_bin() {
     ${csudo} rm -f ${bin_link_dir}/taosdemo || :
     ${csudo} rm -f ${bin_link_dir}/rmtaos   || :
     ${csudo} rm -f ${bin_link_dir}/tarbitrator   || :
+    ${csudo} rm -f ${bin_link_dir}/set_core   || :
 
     ${csudo} cp -r ${script_dir}/bin/* ${install_main_dir}/bin && ${csudo} chmod 0555 ${install_main_dir}/bin/*
 
@@ -176,6 +177,7 @@ function install_bin() {
     [ -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/remove.sh ] && ${csudo} ln -s ${install_main_dir}/bin/remove.sh ${bin_link_dir}/rmtaos          || :
+    [ -x ${install_main_dir}/bin/set_core.sh ] && ${csudo} ln -s ${install_main_dir}/bin/set_core.sh ${bin_link_dir}/set_core    || :
     [ -x ${install_main_dir}/bin/tarbitrator ] && ${csudo} ln -s ${install_main_dir}/bin/tarbitrator ${bin_link_dir}/tarbitrator || :
 
     if [ "$verMode" == "cluster" ]; then
@@ -196,8 +198,10 @@ function install_lib() {
     ${csudo} ln -s ${install_main_dir}/driver/libtaos.* ${lib_link_dir}/libtaos.so.1
     ${csudo} ln -s ${lib_link_dir}/libtaos.so.1 ${lib_link_dir}/libtaos.so
     
-    ${csudo} ln -s ${install_main_dir}/driver/libtaos.* ${lib64_link_dir}/libtaos.so.1       || :
-    ${csudo} ln -s ${lib64_link_dir}/libtaos.so.1 ${lib64_link_dir}/libtaos.so               || :
+    if [ -d ${lib64_link_dir} ]; then
+      ${csudo} ln -s ${install_main_dir}/driver/libtaos.* ${lib64_link_dir}/libtaos.so.1       || :
+      ${csudo} ln -s ${lib64_link_dir}/libtaos.so.1 ${lib64_link_dir}/libtaos.so               || :
+    fi
         
 	  #if [ "$verMode" == "cluster" ]; then
     #    # Compatible with version 1.5
@@ -205,6 +209,8 @@ function install_lib() {
     #    ${csudo} ln -s ${install_main_dir}/connector/taos-jdbcdriver-1.0.2-dist.jar ${v15_java_app_dir}/JDBCDriver-1.0.2-dist.jar
     #    ${csudo} chmod 777 ${v15_java_app_dir} || :
     #fi
+    
+    ${csudo} ldconfig
 }
 
 function install_header() {
diff --git a/packaging/tools/install_client.sh b/packaging/tools/install_client.sh
index 0ec8dbd0cce46cd6861ef4f93b4b180df949a65f..6a1b7be191b626f59ab61510a6c2b701b85bca9e 100755
--- a/packaging/tools/install_client.sh
+++ b/packaging/tools/install_client.sh
@@ -88,6 +88,7 @@ function install_bin() {
       ${csudo} rm -f ${bin_link_dir}/taosdump || :
   fi
   ${csudo} rm -f ${bin_link_dir}/rmtaos       || :
+  ${csudo} rm -f ${bin_link_dir}/set_core     || :
 
   ${csudo} cp -r ${script_dir}/bin/* ${install_main_dir}/bin && ${csudo} chmod 0555 ${install_main_dir}/bin/*
 
@@ -97,6 +98,7 @@ function install_bin() {
       [ -x ${install_main_dir}/bin/taosdump ] && ${csudo} ln -s ${install_main_dir}/bin/taosdump ${bin_link_dir}/taosdump || :
   fi
   [ -x ${install_main_dir}/bin/remove_client.sh ] && ${csudo} ln -s ${install_main_dir}/bin/remove_client.sh ${bin_link_dir}/rmtaos || :
+  [ -x ${install_main_dir}/bin/set_core.sh ] && ${csudo} ln -s ${install_main_dir}/bin/set_core.sh ${bin_link_dir}/set_core || :
 }
 
 function clean_lib() {
@@ -115,12 +117,17 @@ function install_lib() {
     if [ "$osType" != "Darwin" ]; then
         ${csudo} ln -s ${install_main_dir}/driver/libtaos.* ${lib_link_dir}/libtaos.so.1
         ${csudo} ln -s ${lib_link_dir}/libtaos.so.1 ${lib_link_dir}/libtaos.so
-        ${csudo} ln -s ${install_main_dir}/driver/libtaos.* ${lib64_link_dir}/libtaos.so.1       || :
-        ${csudo} ln -s ${lib64_link_dir}/libtaos.so.1 ${lib64_link_dir}/libtaos.so               || :
+        
+        if [ -d "${lib64_link_dir}" ]; then
+	        ${csudo} ln -s ${install_main_dir}/driver/libtaos.* ${lib64_link_dir}/libtaos.so.1       || :
+	        ${csudo} ln -s ${lib64_link_dir}/libtaos.so.1 ${lib64_link_dir}/libtaos.so               || :
+	      fi
     else
         ${csudo} ln -s ${install_main_dir}/driver/libtaos.* ${lib_link_dir}/libtaos.1.dylib
         ${csudo} ln -s ${lib_link_dir}/libtaos.1.dylib ${lib_link_dir}/libtaos.dylib
     fi
+    
+    ${csudo} ldconfig
 }
 
 function install_header() {
diff --git a/packaging/tools/make_install.sh b/packaging/tools/make_install.sh
index 2200c7f13d20ecd19b75c8fe39185a3c69558f22..1a5c4d75b5f1ff9d98b62923d96eb3f45c619468 100755
--- a/packaging/tools/make_install.sh
+++ b/packaging/tools/make_install.sh
@@ -34,6 +34,7 @@ cfg_install_dir="/etc/taos"
 if [ "$osType" != "Darwin" ]; then
     bin_link_dir="/usr/bin"
     lib_link_dir="/usr/lib"
+    lib64_link_dir="/usr/lib64"
     inc_link_dir="/usr/include"
 else
     bin_link_dir="/usr/local/bin"
@@ -141,6 +142,7 @@ function install_bin() {
         ${csudo} rm -f ${bin_link_dir}/taosd    || :
         ${csudo} rm -f ${bin_link_dir}/taosdemo || :
         ${csudo} rm -f ${bin_link_dir}/taosdump || :
+        ${csudo} rm -f ${bin_link_dir}/set_core || :
     fi
 
     ${csudo} rm -f ${bin_link_dir}/rmtaos       || :
@@ -149,6 +151,7 @@ function install_bin() {
 
     if [ "$osType" != "Darwin" ]; then
         ${csudo} cp -r ${script_dir}/remove.sh   ${install_main_dir}/bin
+        ${csudo} cp -r ${script_dir}/set_core.sh   ${install_main_dir}/bin
     else
         ${csudo} cp -r ${script_dir}/remove_client.sh   ${install_main_dir}/bin
     fi
@@ -161,6 +164,7 @@ function install_bin() {
         [ -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}/set_core.sh ]  && ${csudo} ln -s ${install_main_dir}/bin/set_core.sh ${bin_link_dir}/set_core || :
     fi
 
     if [ "$osType" != "Darwin" ]; then
@@ -173,17 +177,25 @@ function install_bin() {
 function install_lib() {
     # Remove links
     ${csudo} rm -f ${lib_link_dir}/libtaos.*     || :
+    ${csudo} rm -f ${lib64_link_dir}/libtaos.*   || :
     
     versioninfo=$(${script_dir}/get_version.sh ${source_dir}/src/util/src/version.c)
     if [ "$osType" != "Darwin" ]; then
         ${csudo} cp ${binary_dir}/build/lib/libtaos.so.${versioninfo} ${install_main_dir}/driver && ${csudo} chmod 777 ${install_main_dir}/driver/*
         ${csudo} ln -sf ${install_main_dir}/driver/libtaos.so.${versioninfo} ${lib_link_dir}/libtaos.so.1
         ${csudo} ln -sf ${lib_link_dir}/libtaos.so.1 ${lib_link_dir}/libtaos.so
+        
+        if [ -d "${lib64_link_dir}" ]; then
+          ${csudo} ln -sf ${install_main_dir}/driver/libtaos.so.${versioninfo} ${lib64_link_dir}/libtaos.so.1
+          ${csudo} ln -sf ${lib64_link_dir}/libtaos.so.1 ${lib64_link_dir}/libtaos.so
+        fi
     else
         ${csudo} cp ${binary_dir}/build/lib/libtaos.${versioninfo}.dylib ${install_main_dir}/driver && ${csudo} chmod 777 ${install_main_dir}/driver/*
         ${csudo} ln -sf ${install_main_dir}/driver/libtaos.${versioninfo}.dylib ${lib_link_dir}/libtaos.1.dylib
         ${csudo} ln -sf ${lib_link_dir}/libtaos.1.dylib ${lib_link_dir}/libtaos.dylib
     fi
+    
+    ${csudo} ldconfig
 }
 
 function install_header() {
diff --git a/packaging/tools/makeclient.sh b/packaging/tools/makeclient.sh
index 6120f9fcc2bb676b716be5172967bd7dfe2f0090..855d0b9c27cce54d5fd15d99179a451b5a966096 100755
--- a/packaging/tools/makeclient.sh
+++ b/packaging/tools/makeclient.sh
@@ -45,7 +45,7 @@ if [ "$osType" != "Darwin" ]; then
     strip ${build_dir}/bin/taos
     bin_files="${build_dir}/bin/taos ${script_dir}/remove_client.sh"
   else  
-    bin_files="${build_dir}/bin/taos ${build_dir}/bin/taosdump ${script_dir}/remove_client.sh"
+    bin_files="${build_dir}/bin/taos ${build_dir}/bin/taosdump ${script_dir}/remove_client.sh ${script_dir}/set_core.sh"
   fi
   lib_files="${build_dir}/lib/libtaos.so.${version}"
 else
diff --git a/packaging/tools/makepkg.sh b/packaging/tools/makepkg.sh
index 1d65dd8069d1faf960d4b73100a162558b2ea7b8..16e0354dcfd086486b167c71cd21c57ae43f7365 100755
--- a/packaging/tools/makepkg.sh
+++ b/packaging/tools/makepkg.sh
@@ -36,7 +36,7 @@ if [ "$pagMode" == "lite" ]; then
   strip ${build_dir}/bin/taos
   bin_files="${build_dir}/bin/taosd ${build_dir}/bin/taos ${script_dir}/remove.sh"
 else 
-  bin_files="${build_dir}/bin/taosd ${build_dir}/bin/taos ${build_dir}/bin/taosdemo ${build_dir}/bin/tarbitrator ${script_dir}/remove.sh"
+  bin_files="${build_dir}/bin/taosd ${build_dir}/bin/taos ${build_dir}/bin/taosdemo ${build_dir}/bin/tarbitrator ${script_dir}/remove.sh ${script_dir}/set_core.sh"
 fi
 
 lib_files="${build_dir}/lib/libtaos.so.${version}"
diff --git a/packaging/tools/post.sh b/packaging/tools/post.sh
index e9a742e63219e87dce4d8e82904f3c538403eb0d..0feb64c795159b67920c8a39b53b0125dfb565bf 100755
--- a/packaging/tools/post.sh
+++ b/packaging/tools/post.sh
@@ -90,6 +90,7 @@ function install_bin() {
     ${csudo} rm -f ${bin_link_dir}/taosd    || :
     ${csudo} rm -f ${bin_link_dir}/taosdemo || :
     ${csudo} rm -f ${bin_link_dir}/rmtaos   || :
+    ${csudo} rm -f ${bin_link_dir}/set_core || :
 
     ${csudo} chmod 0555 ${bin_dir}/*
 
@@ -97,7 +98,7 @@ function install_bin() {
     [ -x ${bin_dir}/taos ] && ${csudo} ln -s ${bin_dir}/taos ${bin_link_dir}/taos             || :
     [ -x ${bin_dir}/taosd ] && ${csudo} ln -s ${bin_dir}/taosd ${bin_link_dir}/taosd          || :
     [ -x ${bin_dir}/taosdemo ] && ${csudo} ln -s ${bin_dir}/taosdemo ${bin_link_dir}/taosdemo || :
-#   [ -x ${bin_dir}/remove.sh ] && ${csudo} ln -s ${bin_dir}/remove.sh ${bin_link_dir}/rmtaos || :
+    [ -x ${bin_dir}/set_core.sh ] && ${csudo} ln -s ${bin_dir}/set_core.sh ${bin_link_dir}/set_core || :
 }
 
 function install_config() {
diff --git a/packaging/tools/preun.sh b/packaging/tools/preun.sh
index 0533410802c09e0aee2e60766d5c621dd53c4272..07b43c0e49d56fd136747399c3c71fdb1885bea3 100755
--- a/packaging/tools/preun.sh
+++ b/packaging/tools/preun.sh
@@ -8,6 +8,7 @@ NC='\033[0m'
 
 bin_link_dir="/usr/bin"
 lib_link_dir="/usr/lib"
+lib64_link_dir="/usr/lib64"
 inc_link_dir="/usr/include"
 
 data_link_dir="/usr/local/taos/data"
@@ -104,10 +105,12 @@ ${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 ${bin_link_dir}/set_core   || :
 ${csudo} rm -f ${cfg_link_dir}/*          || :
 ${csudo} rm -f ${inc_link_dir}/taos.h     || :
-${csudo} rm -f ${inc_link_dir}/taoserror.h     || :
-${csudo} rm -f ${lib_link_dir}/libtaos.*  || :
+${csudo} rm -f ${inc_link_dir}/taoserror.h || :
+${csudo} rm -f ${lib_link_dir}/libtaos.*   || :
+${csudo} rm -f ${lib64_link_dir}/libtaos.* || :
 
 ${csudo} rm -f ${log_link_dir}            || :
 ${csudo} rm -f ${data_link_dir}           || :
diff --git a/packaging/tools/set_core.sh b/packaging/tools/set_core.sh
new file mode 100755
index 0000000000000000000000000000000000000000..083b0516dbb03daafe8c19548b7fac494af7d24a
--- /dev/null
+++ b/packaging/tools/set_core.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+#
+# This file is used to set config for core when taosd crash
+
+set -e
+# set -x
+
+csudo=""
+if command -v sudo > /dev/null; then
+  csudo="sudo"
+fi
+
+#ulimit -c unlimited
+${csudo} sed -i '/ulimit -c unlimited/d' /etc/profile ||:
+${csudo} sed -i '$a\ulimit -c unlimited' /etc/profile ||:
+source /etc/profile
+
+${csudo} mkdir -p /coredump  ||:
+${csudo} sysctl -w kernel.core_pattern='/coredump/core-%e-%p'  ||:
+${csudo} echo '/coredump/core-%e-%p' | ${csudo} tee /proc/sys/kernel/core_pattern  ||:
diff --git a/src/common/src/tglobal.c b/src/common/src/tglobal.c
index 0d7df38b832b03fdc5e4cdf5ab0bc684e3d1d8e8..c11b2667e6f8125d2974c0d196eafd633a139fd7 100644
--- a/src/common/src/tglobal.c
+++ b/src/common/src/tglobal.c
@@ -54,7 +54,7 @@ int8_t  tsDaylight = 0;
 char    tsTimezone[TSDB_TIMEZONE_LEN] = {0};
 char    tsLocale[TSDB_LOCALE_LEN] = {0};
 char    tsCharset[TSDB_LOCALE_LEN] = {0};  // default encode string
-int32_t tsEnableCoreFile = 0;
+int32_t tsEnableCoreFile = 1;
 int32_t tsMaxBinaryDisplayWidth = 30;
 
 /*
diff --git a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBStatement.java b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBStatement.java
index 1cf024f30e4a49b79f12c0af8cb29e0416bd348b..777eef53d180db5905ca13b1a9a393a05c1dd83b 100644
--- a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBStatement.java
+++ b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBStatement.java
@@ -158,9 +158,9 @@ public class TSDBStatement implements Statement {
             throw new SQLException(TSDBConstants.FixErrMsg(TSDBConstants.JNI_CONNECTION_NULL));
         } else if (resultSetPointer == TSDBConstants.JNI_NULL_POINTER) {
             // no result set is retrieved
+			this.connecter.freeResultSet(pSql);
             res = false;
         }
-		this.connecter.freeResultSet(pSql);
 
 		return res;
 	}
diff --git a/src/connector/jdbc/src/test/java/TestAsyncTSDBSubscribe.java b/src/connector/jdbc/src/test/java/TestAsyncTSDBSubscribe.java
index 03a4761b9155838c2a23afedc1c98573a3313fd8..6d4c6b1e94b5bb5c507c1cce2b5c87b31ae36648 100644
--- a/src/connector/jdbc/src/test/java/TestAsyncTSDBSubscribe.java
+++ b/src/connector/jdbc/src/test/java/TestAsyncTSDBSubscribe.java
@@ -42,12 +42,14 @@ public class TestAsyncTSDBSubscribe {
         long subscribId = 0;
         try {
             Class.forName("com.taosdata.jdbc.TSDBDriver");
+
             Properties properties = new Properties();
-        properties.setProperty(TSDBDriver.PROPERTY_KEY_HOST, host);
-        properties.setProperty(TSDBDriver.PROPERTY_KEY_TIME_ZONE, "UTC-8");
-        properties.setProperty(TSDBDriver.PROPERTY_KEY_CHARSET, "UTF-8");
-        properties.setProperty(TSDBDriver.PROPERTY_KEY_LOCALE, "en_US.UTF-8");
-        properties.setProperty(TSDBDriver.PROPERTY_KEY_TIME_ZONE, "UTC-8");
+            properties.setProperty(TSDBDriver.PROPERTY_KEY_HOST, host);
+            properties.setProperty(TSDBDriver.PROPERTY_KEY_TIME_ZONE, "UTC-8");
+            properties.setProperty(TSDBDriver.PROPERTY_KEY_CHARSET, "UTF-8");
+            properties.setProperty(TSDBDriver.PROPERTY_KEY_LOCALE, "en_US.UTF-8");
+            properties.setProperty(TSDBDriver.PROPERTY_KEY_TIME_ZONE, "UTC-8");
+
             connection = DriverManager.getConnection("jdbc:TAOS://" + host + ":0/" + dbName + "?user=root&password=taosdata", properties);
             String rawSql = "select * from " + tName + ";";
             TSDBSubscribe subscribe = ((TSDBConnection) connection).createSubscribe();
diff --git a/src/inc/taosdef.h b/src/inc/taosdef.h
index f8b9d0ee7954b1a6d0b83a903970de44c06ce0ba..b4cecec8e4795dddd0c09ebae97557c8da7c2298 100644
--- a/src/inc/taosdef.h
+++ b/src/inc/taosdef.h
@@ -242,6 +242,7 @@ void tsDataSwap(void *pLeft, void *pRight, int32_t type, int32_t size);
 #define TSDB_MAX_BYTES_PER_ROW    16384
 #define TSDB_MAX_TAGS_LEN         16384
 #define TSDB_MAX_TAGS             128
+#define TSDB_MAX_TAG_CONDITIONS   1024
 
 #define TSDB_AUTH_LEN             16
 #define TSDB_KEY_LEN              16
diff --git a/src/kit/shell/src/shellEngine.c b/src/kit/shell/src/shellEngine.c
index 6c4bd1358bd4db369db454d14a96cdc72c25bea3..abc4f7a02cc82eb02a6e7f3d8765038e654d4000 100644
--- a/src/kit/shell/src/shellEngine.c
+++ b/src/kit/shell/src/shellEngine.c
@@ -379,6 +379,10 @@ static char* formatTimestamp(char* buf, int64_t val, int precision) {
   }
   */
 
+#ifdef WINDOWS
+  if (tt < 0) tt = 0;
+#endif
+
   struct tm* ptm = localtime(&tt);
   size_t pos = strftime(buf, 32, "%Y-%m-%d %H:%M:%S", ptm);
 
diff --git a/src/plugins/monitor/src/monitorMain.c b/src/plugins/monitor/src/monitorMain.c
index 32f5966e2d7818edffcfa379967bad7b35270278..55c242763b10d4c27124ad3760aca3b7ae6127a2 100644
--- a/src/plugins/monitor/src/monitorMain.c
+++ b/src/plugins/monitor/src/monitorMain.c
@@ -35,7 +35,7 @@
 
 #define SQL_LENGTH     1024
 #define LOG_LEN_STR    100
-#define IP_LEN_STR     18
+#define IP_LEN_STR     TSDB_EP_LEN
 #define CHECK_INTERVAL 1000
 
 typedef enum {
diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 2c02f476d5ef73541d749ef057023e637d1f56f6..c8efee03cd2dcff517e3bab9b970cd4fc5e0081b 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -5542,7 +5542,7 @@ static int32_t buildAirthmeticExprFromMsg(SExprInfo *pArithExprInfo, SQueryTable
   qDebug("qmsg:%p create arithmetic expr from binary string: %s", pQueryMsg, pArithExprInfo->base.arg[0].argValue.pz);
 
   tExprNode* pExprNode = NULL;
-  TRY(TSDB_MAX_TAGS) {
+  TRY(TSDB_MAX_TAG_CONDITIONS) {
     pExprNode = exprTreeFromBinary(pArithExprInfo->base.arg[0].argValue.pz, pArithExprInfo->base.arg[0].argBytes);
   } CATCH( code ) {
     CLEANUP_EXECUTE();
diff --git a/src/tsdb/src/tsdbRead.c b/src/tsdb/src/tsdbRead.c
index a7dda9a4afb0e5b5ae70553246ad0b1a718d6ec0..c89ae0698a7a721f21fcc4315de2d32ce6e06874 100644
--- a/src/tsdb/src/tsdbRead.c
+++ b/src/tsdb/src/tsdbRead.c
@@ -2402,7 +2402,7 @@ int32_t tsdbQuerySTableByTagCond(TSDB_REPO_T* tsdb, uint64_t uid, TSKEY skey, co
   int32_t ret = TSDB_CODE_SUCCESS;
   tExprNode* expr = NULL;
 
-  TRY(TSDB_MAX_TAGS) {
+  TRY(TSDB_MAX_TAG_CONDITIONS) {
     expr = exprTreeFromTableName(tbnameCond);
     if (expr == NULL) {
       expr = exprTreeFromBinary(pTagCond, len);
@@ -2596,4 +2596,4 @@ static int tsdbCheckInfoCompar(const void* key1, const void* key2) {
     ASSERT(false);
     return 0;
   }
-}
\ No newline at end of file
+}
diff --git a/src/util/src/version.c b/src/util/src/version.c
index d12c2f339ec4757f70a48cdb828b902575e9c658..d541b1afd342df79c060e1788fd8a842ea8d30ba 100644
--- a/src/util/src/version.c
+++ b/src/util/src/version.c
@@ -1,7 +1,7 @@
-char version[12] = "2.0.0.0";
+char version[12] = "2.0.0.6";
 char compatible_version[12] = "2.0.0.0";
-char gitinfo[48] = "8df8b7d9930342dd34ba13df160a7d538fad7bc7";
-char gitinfoOfInternal[48] = "bad4f040145fba581d1ab0c5dd718a5ede3e209f";
-char buildinfo[64] = "Built by root at 2020-08-03 17:23";
+char gitinfo[48] = "e9a20fafbe9e3b0b12cbdf55604163b4b9a41b41";
+char gitinfoOfInternal[48] = "dd679db0b9edeedad68574c1e031544711a9831f";
+char buildinfo[64] = "Built by  at 2020-08-12 07:59";
 
-void libtaos_2_0_0_0_Linux_x64() {};
+void libtaos_2_0_0_6_Linux_x64() {};
diff --git a/tests/pytest/client/client.py b/tests/pytest/client/client.py
index 6fd2a2b6bdd9a83c4f54b90cc37d16f05209b069..b40511094b3bf76825c2572c8ad747807a3f2d65 100644
--- a/tests/pytest/client/client.py
+++ b/tests/pytest/client/client.py
@@ -27,13 +27,7 @@ class TDTestCase:
 
         ret = tdSql.query('select database()')
         tdSql.checkData(0, 0, "db")        
-
-        ret = tdSql.query('select server_version()')
-        tdSql.checkData(0, 0, "2.0.0.0")
-
-        ret = tdSql.query('select client_version()')
-        tdSql.checkData(0, 0, "2.0.0.0")
-
+        
         ret = tdSql.query('select server_status()')
         tdSql.checkData(0, 0, 1)
 
diff --git a/tests/pytest/client/version.py b/tests/pytest/client/version.py
new file mode 100644
index 0000000000000000000000000000000000000000..bc2e58f106916b5e5f97d5864be070f05d3c87e1
--- /dev/null
+++ b/tests/pytest/client/version.py
@@ -0,0 +1,41 @@
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+import sys
+from util.log import *
+from util.cases import *
+from util.sql import *
+
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+
+    def run(self):
+        tdSql.prepare()
+
+        ret = tdSql.query('select server_version()')
+        tdSql.checkData(0, 0, "2.0.0.6")
+
+        ret = tdSql.query('select client_version()')
+        tdSql.checkData(0, 0, "2.0.0.6")
+      
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
diff --git a/tests/pytest/fulltest.sh b/tests/pytest/fulltest.sh
index cbe82b2c8c0b7dd4ef236fe1d4d27ad86a15d84c..8e0f6314e07843db1ea16d68aed1da4d931730bd 100755
--- a/tests/pytest/fulltest.sh
+++ b/tests/pytest/fulltest.sh
@@ -158,6 +158,7 @@ python3 ./test.py -f alter/alter_table_crash.py
 
 # client
 python3 ./test.py -f client/client.py
+python3 ./test.py -f client/version.py
 
 # Misc
 python3 testCompress.py
diff --git a/tests/pytest/regressiontest.sh b/tests/pytest/regressiontest.sh
index 61ec491f5de6ed946aafe3e0f549c233f6a250b7..20f4b4dc3b4ccea7d1e6f59555d337a0b21491ae 100755
--- a/tests/pytest/regressiontest.sh
+++ b/tests/pytest/regressiontest.sh
@@ -152,6 +152,7 @@ python3 ./test.py -f alter/alter_table_crash.py
 
 # client
 python3 ./test.py -f client/client.py
+python3 ./test.py -f client/version.py
 
 # Misc
 python3 testCompress.py
diff --git a/tests/tsim/src/simExe.c b/tests/tsim/src/simExe.c
index 677cea54c2e33b75d8e00b83e03b2e8be475ff3e..50d1a9b5beb7c281222743db7c61c60b37c65f08 100644
--- a/tests/tsim/src/simExe.c
+++ b/tests/tsim/src/simExe.c
@@ -791,6 +791,10 @@ bool simExecuteNativeSqlCommand(SScript *script, char *rest, bool isSlow) {
               }
               */
 
+#ifdef WINDOWS
+              if (tt < 0) tt = 0;
+#endif
+
               tp = localtime(&tt);
               strftime(timeStr, 64, "%y-%m-%d %H:%M:%S", tp);
               sprintf(value, "%s.%03d", timeStr,