diff --git a/cmake/cmake.install b/cmake/cmake.install
index b2421fac25..27edd8e27a 100644
--- a/cmake/cmake.install
+++ b/cmake/cmake.install
@@ -13,6 +13,7 @@ ELSEIF (TD_WINDOWS)
   INSTALL(FILES ${TD_SOURCE_DIR}/packaging/cfg/taos.cfg DESTINATION cfg)
   INSTALL(FILES ${TD_SOURCE_DIR}/include/client/taos.h DESTINATION include)
   INSTALL(FILES ${TD_SOURCE_DIR}/include/util/taoserror.h DESTINATION include)
+  INSTALL(FILES ${TD_SOURCE_DIR}/include/libs/function/taosudf.h DESTINATION include)
   INSTALL(FILES ${LIBRARY_OUTPUT_PATH}/taos.lib DESTINATION driver)
   INSTALL(FILES ${LIBRARY_OUTPUT_PATH}/taos_static.lib DESTINATION driver)
   INSTALL(FILES ${LIBRARY_OUTPUT_PATH}/taos.dll DESTINATION driver)
diff --git a/packaging/check_package.sh b/packaging/check_package.sh
index 81abff57a5..e728c6455a 100644
--- a/packaging/check_package.sh
+++ b/packaging/check_package.sh
@@ -170,7 +170,7 @@ function check_lib_path() {
 
 function check_header_path() {
 	# check all header
-	header_dir=("taos.h" "taosdef.h" "taoserror.h")
+	header_dir=("taos.h" "taosdef.h" "taoserror.h" "taosudf.h")
     for i in "${header_dir[@]}";do
         check_link ${inc_link_dir}/$i
     done
diff --git a/packaging/deb/DEBIAN/prerm b/packaging/deb/DEBIAN/prerm
index c01db74701..501398f350 100644
--- a/packaging/deb/DEBIAN/prerm
+++ b/packaging/deb/DEBIAN/prerm
@@ -29,6 +29,7 @@ else
     ${csudo}rm -f ${bin_link_dir}/taosdemo   || :
     ${csudo}rm -f ${cfg_link_dir}/*          || :
     ${csudo}rm -f ${inc_link_dir}/taos.h     || :
+    ${csudo}rm -f ${inc_link_dir}/taosudf.h     || :
     ${csudo}rm -f ${lib_link_dir}/libtaos.*  || :
 
     ${csudo}rm -f ${log_link_dir}            || :
diff --git a/packaging/deb/makedeb.sh b/packaging/deb/makedeb.sh
index 5a14aea4ec..043c1456b8 100755
--- a/packaging/deb/makedeb.sh
+++ b/packaging/deb/makedeb.sh
@@ -70,6 +70,7 @@ cp ${compile_dir}/build/lib/${libfile}              ${pkg_dir}${install_home_pat
 cp ${compile_dir}/../include/client/taos.h          ${pkg_dir}${install_home_path}/include
 cp ${compile_dir}/../include/common/taosdef.h       ${pkg_dir}${install_home_path}/include
 cp ${compile_dir}/../include/util/taoserror.h       ${pkg_dir}${install_home_path}/include
+cp ${compile_dir}/../include/libs/function/taosudf.h       ${pkg_dir}${install_home_path}/include
 cp -r ${top_dir}/examples/*                         ${pkg_dir}${install_home_path}/examples
 #cp -r ${top_dir}/src/connector/python               ${pkg_dir}${install_home_path}/connector
 #cp -r ${top_dir}/src/connector/go                   ${pkg_dir}${install_home_path}/connector
diff --git a/packaging/rpm/tdengine.spec b/packaging/rpm/tdengine.spec
index d61d12932f..f440f72aa2 100644
--- a/packaging/rpm/tdengine.spec
+++ b/packaging/rpm/tdengine.spec
@@ -77,6 +77,7 @@ cp %{_compiledir}/build/lib/${libfile}              %{buildroot}%{homepath}/driv
 cp %{_compiledir}/../include/client/taos.h          %{buildroot}%{homepath}/include
 cp %{_compiledir}/../include/common/taosdef.h       %{buildroot}%{homepath}/include
 cp %{_compiledir}/../include/util/taoserror.h       %{buildroot}%{homepath}/include
+cp %{_compiledir}/../include/libs/function/taosudf.h       %{buildroot}%{homepath}/include
 #cp -r %{_compiledir}/../src/connector/python        %{buildroot}%{homepath}/connector
 #cp -r %{_compiledir}/../src/connector/go            %{buildroot}%{homepath}/connector
 #cp -r %{_compiledir}/../src/connector/nodejs        %{buildroot}%{homepath}/connector
@@ -201,6 +202,7 @@ if [ $1 -eq 0 ];then
     ${csudo}rm -f ${inc_link_dir}/taos.h     || :
     ${csudo}rm -f ${inc_link_dir}/taosdef.h     || :
     ${csudo}rm -f ${inc_link_dir}/taoserror.h     || :
+    ${csudo}rm -f ${inc_link_dir}/taosudf.h     || :    
     ${csudo}rm -f ${lib_link_dir}/libtaos.*  || :
 
     ${csudo}rm -f ${log_link_dir}            || :
diff --git a/packaging/tools/install.sh b/packaging/tools/install.sh
index d730cc0d8a..7c7d5477cf 100755
--- a/packaging/tools/install.sh
+++ b/packaging/tools/install.sh
@@ -314,11 +314,12 @@ function install_jemalloc() {
 }
 
 function install_header() {
-  ${csudo}rm -f ${inc_link_dir}/taos.h ${inc_link_dir}/taosdef.h ${inc_link_dir}/taoserror.h || :
+  ${csudo}rm -f ${inc_link_dir}/taos.h ${inc_link_dir}/taosdef.h ${inc_link_dir}/taoserror.h ${inc_link_dir}/taosudf.h || :
   ${csudo}cp -f ${script_dir}/inc/* ${install_main_dir}/include && ${csudo}chmod 644 ${install_main_dir}/include/*
   ${csudo}ln -s ${install_main_dir}/include/taos.h ${inc_link_dir}/taos.h
   ${csudo}ln -s ${install_main_dir}/include/taosdef.h ${inc_link_dir}/taosdef.h
   ${csudo}ln -s ${install_main_dir}/include/taoserror.h ${inc_link_dir}/taoserror.h
+  ${csudo}ln -s ${install_main_dir}/include/taosudf.h ${inc_link_dir}/taosudf.h  
 }
 
 function add_newHostname_to_hosts() {
diff --git a/packaging/tools/install_arbi.sh b/packaging/tools/install_arbi.sh
index e3c63965d4..2863640153 100755
--- a/packaging/tools/install_arbi.sh
+++ b/packaging/tools/install_arbi.sh
@@ -115,11 +115,12 @@ function install_bin() {
 }
 
 function install_header() {
-  ${csudo}rm -f ${inc_link_dir}/taos.h ${inc_link_dir}/taosdef.h ${inc_link_dir}/taoserror.h || :
+  ${csudo}rm -f ${inc_link_dir}/taos.h ${inc_link_dir}/taosdef.h ${inc_link_dir}/taoserror.h ${inc_link_dir}/taosudf.h || :
   ${csudo}cp -f ${script_dir}/inc/* ${install_main_dir}/include && ${csudo}chmod 644 ${install_main_dir}/include/*
   ${csudo}ln -s ${install_main_dir}/include/taos.h ${inc_link_dir}/taos.h
   ${csudo}ln -s ${install_main_dir}/include/taosdef.h ${inc_link_dir}/taosdef.h
   ${csudo}ln -s ${install_main_dir}/include/taoserror.h ${inc_link_dir}/taoserror.h
+  ${csudo}ln -s ${install_main_dir}/include/taosudf.h ${inc_link_dir}/taosudf.h
 }
 
 function install_jemalloc() {
diff --git a/packaging/tools/install_client.sh b/packaging/tools/install_client.sh
index 5f449e5d91..0c86877c99 100755
--- a/packaging/tools/install_client.sh
+++ b/packaging/tools/install_client.sh
@@ -148,11 +148,12 @@ function install_lib() {
 }
 
 function install_header() {
-    ${csudo}rm -f ${inc_link_dir}/taos.h ${inc_link_dir}/taosdef.h ${inc_link_dir}/taoserror.h    || :
+    ${csudo}rm -f ${inc_link_dir}/taos.h ${inc_link_dir}/taosdef.h ${inc_link_dir}/taoserror.h  ${inc_link_dir}/taosudf.h  || :
     ${csudo}cp -f ${script_dir}/inc/* ${install_main_dir}/include && ${csudo}chmod 644 ${install_main_dir}/include/*
     ${csudo}ln -s ${install_main_dir}/include/taos.h ${inc_link_dir}/taos.h
     ${csudo}ln -s ${install_main_dir}/include/taosdef.h ${inc_link_dir}/taosdef.h
     ${csudo}ln -s ${install_main_dir}/include/taoserror.h ${inc_link_dir}/taoserror.h
+    ${csudo}ln -s ${install_main_dir}/include/taosudf.h ${inc_link_dir}/taosudf.h    
 }
 
 function install_jemalloc() {
diff --git a/packaging/tools/make_install.sh b/packaging/tools/make_install.sh
index 6726b3fe2d..59be60f8fc 100755
--- a/packaging/tools/make_install.sh
+++ b/packaging/tools/make_install.sh
@@ -349,16 +349,17 @@ function install_lib() {
 function install_header() {
 
   if [ "$osType" != "Darwin" ]; then
-    ${csudo}rm -f ${inc_link_dir}/taos.h ${inc_link_dir}/taosdef.h ${inc_link_dir}/taoserror.h || :
-    ${csudo}cp -f ${source_dir}/include/client/taos.h ${source_dir}/include/common/taosdef.h ${source_dir}/include/util/taoserror.h \
+    ${csudo}rm -f ${inc_link_dir}/taos.h ${inc_link_dir}/taosdef.h ${inc_link_dir}/taoserror.h ${inc_link_dir}/taosudf.h || :
+    ${csudo}cp -f ${source_dir}/include/client/taos.h ${source_dir}/include/common/taosdef.h ${source_dir}/include/util/taoserror.h ${source_dir}/include/libs/function/taosudf.h \
       ${install_main_dir}/include && ${csudo}chmod 644 ${install_main_dir}/include/*
     ${csudo}ln -s ${install_main_dir}/include/taos.h ${inc_link_dir}/taos.h
     ${csudo}ln -s ${install_main_dir}/include/taosdef.h ${inc_link_dir}/taosdef.h
     ${csudo}ln -s ${install_main_dir}/include/taoserror.h ${inc_link_dir}/taoserror.h
+    ${csudo}ln -s ${install_main_dir}/include/taosudf.h ${inc_link_dir}/taosudf.h
   else
-    ${csudo}cp -f ${source_dir}/include/client/taos.h ${source_dir}/include/common/taosdef.h ${source_dir}/include/util/taoserror.h \
+    ${csudo}cp -f ${source_dir}/include/client/taos.h ${source_dir}/include/common/taosdef.h ${source_dir}/include/util/taoserror.h ${source_dir}/include/libs/function/taosudf.h \
       ${install_main_dir}/include ||
-      ${csudo}cp -f ${source_dir}/include/client/taos.h ${source_dir}/include/common/taosdef.h ${source_dir}/include/util/taoserror.h \
+      ${csudo}cp -f ${source_dir}/include/client/taos.h ${source_dir}/include/common/taosdef.h ${source_dir}/include/util/taoserror.h ${source_dir}/include/libs/function/taosudf.h \
         ${install_main_2_dir}/include &&
       ${csudo}chmod 644 ${install_main_dir}/include/* ||
       ${csudo}chmod 644 ${install_main_2_dir}/include/*
diff --git a/packaging/tools/makearbi.sh b/packaging/tools/makearbi.sh
index 65a6dae9a4..cfae2b4a46 100755
--- a/packaging/tools/makearbi.sh
+++ b/packaging/tools/makearbi.sh
@@ -36,7 +36,7 @@ fi
 bin_files="${build_dir}/bin/tarbitrator ${script_dir}/remove_arbi.sh"
 install_files="${script_dir}/install_arbi.sh"
 
-#header_files="${code_dir}/include/client/taos.h ${code_dir}/include/common/taosdef.h ${code_dir}/include/util/taoserror.h"
+#header_files="${code_dir}/include/client/taos.h ${code_dir}/include/common/taosdef.h ${code_dir}/include/util/taoserror.h ${code_dir}/include/libs/function/taosudf.h"
 init_file_tarbitrator_deb=${script_dir}/../deb/tarbitratord
 init_file_tarbitrator_rpm=${script_dir}/../rpm/tarbitratord
 
diff --git a/packaging/tools/makeclient.sh b/packaging/tools/makeclient.sh
index 9e7f013006..0f1080521e 100755
--- a/packaging/tools/makeclient.sh
+++ b/packaging/tools/makeclient.sh
@@ -62,7 +62,7 @@ else
   lib_files="${build_dir}/lib/libtaos.${version}.dylib"
 fi
 
-header_files="${code_dir}/include/client/taos.h ${code_dir}/include/common/taosdef.h ${code_dir}/include/util/taoserror.h"
+header_files="${code_dir}/include/client/taos.h ${code_dir}/include/common/taosdef.h ${code_dir}/include/util/taoserror.h ${code_dir}/include/libs/function/taosudf.h"
 if [ "$dbName" != "taos" ]; then
   cfg_dir="${top_dir}/../enterprise/packaging/cfg"
 else
diff --git a/packaging/tools/makepkg.sh b/packaging/tools/makepkg.sh
index d0fbf0c4d7..0bc11b99b3 100755
--- a/packaging/tools/makepkg.sh
+++ b/packaging/tools/makepkg.sh
@@ -93,7 +93,7 @@ else
 fi
 
 lib_files="${build_dir}/lib/libtaos.so.${version}"
-header_files="${code_dir}/include/client/taos.h ${code_dir}/include/common/taosdef.h ${code_dir}/include/util/taoserror.h"
+header_files="${code_dir}/include/client/taos.h ${code_dir}/include/common/taosdef.h ${code_dir}/include/util/taoserror.h ${code_dir}/include/libs/function/taosudf.h"
 
 if [ "$dbName" != "taos" ]; then
   cfg_dir="${top_dir}/../enterprise/packaging/cfg"
diff --git a/packaging/tools/post.sh b/packaging/tools/post.sh
index 93849dd4eb..2d744233ba 100755
--- a/packaging/tools/post.sh
+++ b/packaging/tools/post.sh
@@ -81,10 +81,11 @@ function kill_taosd() {
 }
 
 function install_include() {
-    ${csudo}rm -f ${inc_link_dir}/taos.h ${inc_link_dir}/taosdef.h ${inc_link_dir}/taoserror.h|| :
+    ${csudo}rm -f ${inc_link_dir}/taos.h ${inc_link_dir}/taosdef.h ${inc_link_dir}/taoserror.h ${inc_link_dir}/taosudf.h || :
     ${csudo}ln -s ${inc_dir}/taos.h ${inc_link_dir}/taos.h
     ${csudo}ln -s ${inc_dir}/taosdef.h ${inc_link_dir}/taosdef.h
     ${csudo}ln -s ${inc_dir}/taoserror.h ${inc_link_dir}/taoserror.h
+    ${csudo}ln -s ${inc_dir}/taosudf.h ${inc_link_dir}/taosudf.h    
 }
 
 function install_lib() {
diff --git a/packaging/tools/preun.sh b/packaging/tools/preun.sh
index 2f35e41a48..8dee9da988 100755
--- a/packaging/tools/preun.sh
+++ b/packaging/tools/preun.sh
@@ -128,6 +128,7 @@ ${csudo}rm -f ${cfg_link_dir}/*.new      || :
 ${csudo}rm -f ${inc_link_dir}/taos.h     || :
 ${csudo}rm -f ${inc_link_dir}/taosdef.h  || :
 ${csudo}rm -f ${inc_link_dir}/taoserror.h || :
+${csudo}rm -f ${inc_link_dir}/taosudf.h || :
 ${csudo}rm -f ${lib_link_dir}/libtaos.*   || :
 ${csudo}rm -f ${lib64_link_dir}/libtaos.* || :
 
diff --git a/packaging/tools/remove.sh b/packaging/tools/remove.sh
index 3b043f44a3..413de17ee6 100755
--- a/packaging/tools/remove.sh
+++ b/packaging/tools/remove.sh
@@ -84,6 +84,7 @@ function clean_header() {
     ${csudo} rm -f ${inc_link_dir}/taos.h       || :
     ${csudo} rm -f ${inc_link_dir}/taosdef.h    || :
     ${csudo} rm -f ${inc_link_dir}/taoserror.h  || :
+    ${csudo} rm -f ${inc_link_dir}/taosudf.h  || :
 }
 
 function clean_config() {
diff --git a/packaging/tools/remove_arbi.sh b/packaging/tools/remove_arbi.sh
index 0a1162cd7a..c95c579d30 100755
--- a/packaging/tools/remove_arbi.sh
+++ b/packaging/tools/remove_arbi.sh
@@ -59,6 +59,8 @@ function clean_header() {
     ${csudo}rm -f ${inc_link_dir}/taos.h       || :
     ${csudo}rm -f ${inc_link_dir}/taosdef.h    || :
     ${csudo}rm -f ${inc_link_dir}/taoserror.h  || :
+    ${csudo}rm -f ${inc_link_dir}/taosudf.h  || :
+
 }
 
 function clean_log() {
diff --git a/packaging/tools/remove_client.sh b/packaging/tools/remove_client.sh
index f2cbccb45f..54f7a949f3 100755
--- a/packaging/tools/remove_client.sh
+++ b/packaging/tools/remove_client.sh
@@ -54,6 +54,7 @@ function clean_header() {
     ${csudo}rm -f ${inc_link_dir}/taos.h           || :
     ${csudo}rm -f ${inc_link_dir}/taosdef.h        || :
     ${csudo}rm -f ${inc_link_dir}/taoserror.h      || :
+    ${csudo}rm -f ${inc_link_dir}/taosudf.h      || :    
 }
 
 function clean_config() {