diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5048287cf6..66a6fd328d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,8 +16,6 @@ set(TD_SUPPORT_DIR "${TD_SOURCE_DIR}/cmake")
 set(TD_CONTRIB_DIR "${TD_SOURCE_DIR}/contrib")
 
 
-
-
 include(${TD_SUPPORT_DIR}/cmake.platform)
 include(${TD_SUPPORT_DIR}/cmake.define)
 include(${TD_SUPPORT_DIR}/cmake.options)
@@ -46,4 +44,4 @@ add_subdirectory(examples/c)
 include(${TD_SUPPORT_DIR}/cmake.install)
 
 # docs 
-add_subdirectory(docs/doxgen)
\ No newline at end of file
+add_subdirectory(docs/doxgen)
diff --git a/cmake/cmake.options b/cmake/cmake.options
index bacc5adfb7..d34c34dd89 100644
--- a/cmake/cmake.options
+++ b/cmake/cmake.options
@@ -128,12 +128,16 @@ option(
 IF(${TD_LINUX})
 
 option(
-    BUILD_WITH_S3
+    BUILD_S3
     "If build with s3"
     ON
 )
 
-IF(${BUILD_WITH_S3})
+option(
+    BUILD_WITH_S3
+    "If build with s3"
+    ON
+)
 
 option(
     BUILD_WITH_COS
@@ -141,16 +145,26 @@ option(
     OFF
 )
 
+ENDIF ()
+
+IF(${BUILD_S3})
+
+IF(${BUILD_WITH_S3})
+
+option(BUILD_WITH_COS "If build with cos" OFF)
+
 ELSE ()
 
-option(
-    BUILD_WITH_COS
-    "If build with cos"
-    ON
-)
+option(BUILD_WITH_COS "If build with cos" ON)
 
 ENDIF ()
 
+ELSE ()
+
+option(BUILD_WITH_S3 "If build with s3" OFF)
+
+option(BUILD_WITH_COS "If build with cos" OFF)
+
 ENDIF ()
 
 option(
diff --git a/cmake/cmake.platform b/cmake/cmake.platform
index 18fd17f018..9b96ebe7cb 100644
--- a/cmake/cmake.platform
+++ b/cmake/cmake.platform
@@ -93,36 +93,42 @@ ELSEIF (${CMAKE_SYSTEM_NAME} MATCHES "Windows")
 ENDIF()
 
 IF ("${CPUTYPE}" STREQUAL "")
-  IF (CMAKE_SYSTEM_PROCESSOR MATCHES "(amd64)|(AMD64)")
+  IF (CMAKE_SYSTEM_PROCESSOR MATCHES "(amd64)|(AMD64)|(x86_64)|(X86_64)")
     MESSAGE(STATUS "Current platform is amd64")
     SET(PLATFORM_ARCH_STR "amd64")
+    SET(CPUTYPE "x64")
     SET(TD_INTEL_64 TRUE)
     ADD_DEFINITIONS("-D_TD_X86_")
   ELSEIF (CMAKE_SYSTEM_PROCESSOR MATCHES "(x86)|(X86)")
     MESSAGE(STATUS "Current platform is x86")
     SET(PLATFORM_ARCH_STR "i386")
+    SET(CPUTYPE "x86")
     SET(TD_INTEL_32 TRUE)
     ADD_DEFINITIONS("-D_TD_X86_")
   ELSEIF (CMAKE_SYSTEM_PROCESSOR MATCHES "armv7l")
     MESSAGE(STATUS "Current platform is aarch32")
     SET(PLATFORM_ARCH_STR "arm")
+    SET(CPUTYPE "arm32")
     SET(TD_ARM_32 TRUE)
     ADD_DEFINITIONS("-D_TD_ARM_")
     ADD_DEFINITIONS("-D_TD_ARM_32")
   ELSEIF (CMAKE_SYSTEM_PROCESSOR MATCHES "(aarch64)|(arm64)")
     MESSAGE(STATUS "Current platform is aarch64")
     SET(PLATFORM_ARCH_STR "arm64")
+    SET(CPUTYPE "arm64")
     SET(TD_ARM_64 TRUE)
     ADD_DEFINITIONS("-D_TD_ARM_")
     ADD_DEFINITIONS("-D_TD_ARM_64")
   ELSEIF (CMAKE_SYSTEM_PROCESSOR MATCHES "loongarch64")
     MESSAGE(STATUS "The current platform is loongarch64")
     SET(PLATFORM_ARCH_STR "loongarch64")
+    SET(CPUTYPE "loongarch64")
     SET(TD_LOONGARCH_64 TRUE)
     ADD_DEFINITIONS("-D_TD_LOONGARCH_")
     ADD_DEFINITIONS("-D_TD_LOONGARCH_64")
   ELSEIF (CMAKE_SYSTEM_PROCESSOR MATCHES "mips64")
     SET(PLATFORM_ARCH_STR "mips")
+    SET(CPUTYPE "mips64")
     MESSAGE(STATUS "input cpuType: mips64")
     SET(TD_MIPS_64 TRUE)
     ADD_DEFINITIONS("-D_TD_MIPS_")
diff --git a/cmake/cmake.version b/cmake/cmake.version
index fa6ec4df17..b8871dbce3 100644
--- a/cmake/cmake.version
+++ b/cmake/cmake.version
@@ -50,7 +50,19 @@ ENDIF ()
 IF (DEFINED VERDATE)
   SET(TD_VER_DATE ${VERDATE})
 ELSE ()
-  STRING(TIMESTAMP TD_VER_DATE "%Y-%m-%d %H:%M:%S") 
+  STRING(COMPARE GREATER_EQUAL "${CMAKE_VERSION}" "3.26" TD_CMAKE_SUPPORT_TZ)
+
+  IF (TD_CMAKE_SUPPORT_TZ)
+    STRING(TIMESTAMP TD_VER_DATE "%Y-%m-%d %H:%M:%S %z")
+  ELSE ()
+    IF (TD_WINDOWS)
+      STRING(TIMESTAMP TD_VER_DATE "%Y-%m-%d %H:%M:%S")
+    ELSE ()
+      EXECUTE_PROCESS(COMMAND date +"%F %T %z" OUTPUT_VARIABLE TD_VER_DATE)
+      STRING(REPLACE "\"" "" TD_VER_DATE ${TD_VER_DATE})
+      STRING(STRIP ${TD_VER_DATE} TD_VER_DATE)
+    ENDIF ()
+  ENDIF ()
 ENDIF ()
 
 IF (DEFINED VERTYPE)
@@ -67,9 +79,9 @@ ELSE ()
   ELSEIF (TD_LINUX_32)
     SET(TD_VER_CPUTYPE "x86")  
   ELSEIF (TD_ARM_32)
-    SET(TD_VER_CPUTYPE "x86")  
+    SET(TD_VER_CPUTYPE "arm32")
   ELSEIF (TD_MIPS_32)
-    SET(TD_VER_CPUTYPE "x86")  
+    SET(TD_VER_CPUTYPE "mips32")  
   ELSE ()
     SET(TD_VER_CPUTYPE "x64")
   ENDIF ()
diff --git a/cmake/xml2_CMakeLists.txt.in b/cmake/xml2_CMakeLists.txt.in
index 4c234d7a37..ad0704cdb9 100644
--- a/cmake/xml2_CMakeLists.txt.in
+++ b/cmake/xml2_CMakeLists.txt.in
@@ -1,12 +1,18 @@
 
 # xml2
 ExternalProject_Add(xml2
-        GIT_REPOSITORY https://github.com/GNOME/libxml2
-        GIT_TAG v2.11.5
+        URL https://download.gnome.org/sources/libxml2/2.11/libxml2-2.11.5.tar.xz
+        URL_HASH SHA256=3727b078c360ec69fa869de14bd6f75d7ee8d36987b071e6928d4720a28df3a6
+        #https://github.com/GNOME/libxml2/archive/refs/tags/v2.11.5.tar.gz
+        #GIT_REPOSITORY https://github.com/GNOME/libxml2
+        #GIT_TAG v2.11.5
+        DOWNLOAD_NO_PROGRESS 1
+        DOWNLOAD_DIR "${TD_CONTRIB_DIR}/deps-download"
         SOURCE_DIR "${TD_CONTRIB_DIR}/xml2"
-        BINARY_DIR ""
-        CONFIGURE_COMMAND ""
-        BUILD_COMMAND ""
-        INSTALL_COMMAND ""
+        #BINARY_DIR ""
+        BUILD_IN_SOURCE TRUE
+        CONFIGURE_COMMAND ./configure --prefix=$ENV{HOME}/.cos-local.2 --enable-shared=no --enable-static=yes --without-python --without-lzma
+        BUILD_COMMAND make -j
+        INSTALL_COMMAND make install && ln -s $ENV{HOME}/.cos-local.2/include/libxml2/libxml $ENV{HOME}/.cos-local.2/include/libxml
         TEST_COMMAND ""
         )
diff --git a/contrib/CMakeLists.txt b/contrib/CMakeLists.txt
index e2a5378f0d..c5715bd53f 100644
--- a/contrib/CMakeLists.txt
+++ b/contrib/CMakeLists.txt
@@ -6,12 +6,10 @@ function(cat IN_FILE OUT_FILE)
     file(APPEND ${OUT_FILE} "${CONTENTS}")
 endfunction(cat IN_FILE OUT_FILE)
 
-if(${TD_LINUX})
-
 if(${BUILD_WITH_S3})
     file(MAKE_DIRECTORY $ENV{HOME}/.cos-local.2/)
 
-else()
+elseif(${BUILD_WITH_COS})
 
 set(CONTRIB_TMP_FILE3 "${CMAKE_BINARY_DIR}/deps_tmp_CMakeLists.txt.in3")
 configure_file("${TD_SUPPORT_DIR}/deps_CMakeLists.txt.in" ${CONTRIB_TMP_FILE3})
@@ -42,9 +40,8 @@ execute_process(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
 execute_process(COMMAND "${CMAKE_COMMAND}" --build .
         WORKING_DIRECTORY "${TD_CONTRIB_DIR}/deps-download")
 
-endif(${BUILD_WITH_S3})
+endif()
 
-endif(${TD_LINUX})
 
 set(CONTRIB_TMP_FILE "${CMAKE_BINARY_DIR}/deps_tmp_CMakeLists.txt.in")
 configure_file("${TD_SUPPORT_DIR}/deps_CMakeLists.txt.in" ${CONTRIB_TMP_FILE})
@@ -170,19 +167,16 @@ if(${BUILD_WITH_S3})
     cat("${TD_SUPPORT_DIR}/libs3_CMakeLists.txt.in" ${CONTRIB_TMP_FILE})
     add_definitions(-DUSE_S3)
 
-else()
-
 # cos
-if(${BUILD_WITH_COS})
+elseif(${BUILD_WITH_COS})
     #cat("${TD_SUPPORT_DIR}/mxml_CMakeLists.txt.in" ${CONTRIB_TMP_FILE})
     #cat("${TD_SUPPORT_DIR}/apr_CMakeLists.txt.in" ${CONTRIB_TMP_FILE})
     #cat("${TD_SUPPORT_DIR}/apr-util_CMakeLists.txt.in" ${CONTRIB_TMP_FILE})
     #cat("${TD_SUPPORT_DIR}/curl_CMakeLists.txt.in" ${CONTRIB_TMP_FILE})
     cat("${TD_SUPPORT_DIR}/cos_CMakeLists.txt.in" ${CONTRIB_TMP_FILE})
     add_definitions(-DUSE_COS)
-endif(${BUILD_WITH_COS})
 
-endif(${BUILD_WITH_S3})
+endif()
 
 # lucene
 if(${BUILD_WITH_LUCENE})
@@ -267,9 +261,9 @@ target_include_directories(
 unset(CMAKE_PROJECT_INCLUDE_BEFORE)
 
 # xml2
-if(${BUILD_WITH_S3})
-  add_subdirectory(xml2 EXCLUDE_FROM_ALL)
-endif(${BUILD_WITH_S3})
+#if(${BUILD_WITH_S3})
+#  add_subdirectory(xml2 EXCLUDE_FROM_ALL)
+#endif()
 
 # lz4
 add_subdirectory(lz4/build/cmake EXCLUDE_FROM_ALL)
@@ -417,10 +411,8 @@ if(${BUILD_WITH_S3})
     INCLUDE_DIRECTORIES($ENV{HOME}/.cos-local.2/include)
     MESSAGE("build with s3: ${BUILD_WITH_S3}")
 
-else()
-
 # cos
-if(${BUILD_WITH_COS})
+elseif(${BUILD_WITH_COS})
   if(${TD_LINUX})
     set(CMAKE_PREFIX_PATH $ENV{HOME}/.cos-local.1)
     #ADD_DEFINITIONS(-DMINIXML_LIBRARY=${CMAKE_BINARY_DIR}/build/lib/libxml.a)
@@ -442,9 +434,8 @@ if(${BUILD_WITH_COS})
   else()
 
   endif(${TD_LINUX})
-endif(${BUILD_WITH_COS})
 
-endif(${BUILD_WITH_S3})
+endif()
 
 # lucene
 # To support build on ubuntu: sudo apt-get install libboost-all-dev
diff --git a/include/util/tcache.h b/include/util/tcache.h
index d8ab018570..474e5274de 100644
--- a/include/util/tcache.h
+++ b/include/util/tcache.h
@@ -151,6 +151,8 @@ void       *taosCacheIterGetData(const SCacheIter *pIter, size_t *dataLen);
 void       *taosCacheIterGetKey(const SCacheIter *pIter, size_t *keyLen);
 void        taosCacheDestroyIter(SCacheIter *pIter);
 
+void taosCacheTryExtendLifeSpan(SCacheObj *pCacheObj, void **data);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/common/CMakeLists.txt b/source/common/CMakeLists.txt
index 6bdcdf7d1d..c35845f9df 100644
--- a/source/common/CMakeLists.txt
+++ b/source/common/CMakeLists.txt
@@ -17,15 +17,11 @@ IF (TD_STORAGE)
   ADD_DEFINITIONS(-D_STORAGE)
   TARGET_LINK_LIBRARIES(common PRIVATE storage)
 
-  IF(${TD_LINUX})
-    IF(${BUILD_WITH_COS})
-      add_definitions(-DUSE_COS)
-    ENDIF(${BUILD_WITH_COS})
-
-    IF(${BUILD_WITH_S3})
-      add_definitions(-DUSE_S3)
-    ENDIF(${BUILD_WITH_S3})
-  ENDIF(${TD_LINUX})
+  IF(${BUILD_WITH_S3})
+    add_definitions(-DUSE_S3)
+  ELSEIF(${BUILD_WITH_COS})
+    add_definitions(-DUSE_COS)
+  ENDIF()
 
 ENDIF ()
 
diff --git a/source/dnode/mnode/impl/src/mndProfile.c b/source/dnode/mnode/impl/src/mndProfile.c
index 1f8c3b161b..4366053237 100644
--- a/source/dnode/mnode/impl/src/mndProfile.c
+++ b/source/dnode/mnode/impl/src/mndProfile.c
@@ -59,7 +59,7 @@ static SConnObj *mndCreateConn(SMnode *pMnode, const char *user, int8_t connType
                                int32_t pid, const char *app, int64_t startTime);
 static void      mndFreeConn(SConnObj *pConn);
 static SConnObj *mndAcquireConn(SMnode *pMnode, uint32_t connId);
-static void      mndReleaseConn(SMnode *pMnode, SConnObj *pConn);
+static void      mndReleaseConn(SMnode *pMnode, SConnObj *pConn, bool extendLifespan);
 static void     *mndGetNextConn(SMnode *pMnode, SCacheIter *pIter);
 static void      mndCancelGetNextConn(SMnode *pMnode, void *pIter);
 static int32_t   mndProcessHeartBeatReq(SRpcMsg *pReq);
@@ -79,7 +79,7 @@ int32_t mndInitProfile(SMnode *pMnode) {
 
   // in ms
   int32_t checkTime = tsShellActivityTimer * 2 * 1000;
-  pMgmt->connCache = taosCacheInit(TSDB_DATA_TYPE_UINT, checkTime, true, (__cache_free_fn_t)mndFreeConn, "conn");
+  pMgmt->connCache = taosCacheInit(TSDB_DATA_TYPE_UINT, checkTime, false, (__cache_free_fn_t)mndFreeConn, "conn");
   if (pMgmt->connCache == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
     mError("failed to alloc profile cache since %s", terrstr());
@@ -185,11 +185,12 @@ static SConnObj *mndAcquireConn(SMnode *pMnode, uint32_t connId) {
   return pConn;
 }
 
-static void mndReleaseConn(SMnode *pMnode, SConnObj *pConn) {
+static void mndReleaseConn(SMnode *pMnode, SConnObj *pConn, bool extendLifespan) {
   if (pConn == NULL) return;
   mTrace("conn:%u, released from cache, data:%p", pConn->id, pConn);
 
   SProfileMgmt *pMgmt = &pMnode->profileMgmt;
+  if (extendLifespan) taosCacheTryExtendLifeSpan(pMgmt->connCache, (void **)&pConn);
   taosCacheRelease(pMgmt->connCache, (void **)&pConn, false);
 }
 
@@ -323,7 +324,7 @@ _OVER:
 
   mndReleaseUser(pMnode, pUser);
   mndReleaseDb(pMnode, pDb);
-  mndReleaseConn(pMnode, pConn);
+  mndReleaseConn(pMnode, pConn, true);
 
   return code;
 }
@@ -485,7 +486,7 @@ static int32_t mndProcessQueryHeartBeat(SMnode *pMnode, SRpcMsg *pMsg, SClientHb
 
     SQueryHbRspBasic *rspBasic = taosMemoryCalloc(1, sizeof(SQueryHbRspBasic));
     if (rspBasic == NULL) {
-      mndReleaseConn(pMnode, pConn);
+      mndReleaseConn(pMnode, pConn, true);
       terrno = TSDB_CODE_OUT_OF_MEMORY;
       mError("user:%s, conn:%u failed to process hb while since %s", pConn->user, pBasic->connId, terrstr());
       return -1;
@@ -508,7 +509,7 @@ static int32_t mndProcessQueryHeartBeat(SMnode *pMnode, SRpcMsg *pMsg, SClientHb
 
     mndCreateQnodeList(pMnode, &rspBasic->pQnodeList, -1);
 
-    mndReleaseConn(pMnode, pConn);
+    mndReleaseConn(pMnode, pConn, true);
 
     hbRsp.query = rspBasic;
   } else {
diff --git a/source/dnode/mnode/impl/src/mndTrans.c b/source/dnode/mnode/impl/src/mndTrans.c
index 1d8dd5e345..29a8ae1f29 100644
--- a/source/dnode/mnode/impl/src/mndTrans.c
+++ b/source/dnode/mnode/impl/src/mndTrans.c
@@ -428,6 +428,8 @@ static int32_t mndTransActionInsert(SSdb *pSdb, STrans *pTrans) {
   mInfo("trans:%d, perform insert action, row:%p stage:%s, callfunc:1, startFunc:%d", pTrans->id, pTrans,
         mndTransStr(pTrans->stage), pTrans->startFunc);
 
+  taosThreadMutexInit(&pTrans->mutex, NULL);
+
   if (pTrans->startFunc > 0) {
     TransCbFp fp = mndTransGetCbFp(pTrans->startFunc);
     if (fp) {
@@ -543,10 +545,6 @@ STrans *mndAcquireTrans(SMnode *pMnode, int32_t transId) {
   STrans *pTrans = sdbAcquire(pMnode->pSdb, SDB_TRANS, &transId);
   if (pTrans == NULL) {
     terrno = TSDB_CODE_MND_TRANS_NOT_EXIST;
-  } else {
-    #ifdef WINDOWS
-    taosThreadMutexInit(&pTrans->mutex, NULL);
-    #endif
   }
   return pTrans;
 }
diff --git a/source/dnode/vnode/CMakeLists.txt b/source/dnode/vnode/CMakeLists.txt
index b83d64c569..dcc9f9a115 100644
--- a/source/dnode/vnode/CMakeLists.txt
+++ b/source/dnode/vnode/CMakeLists.txt
@@ -161,7 +161,7 @@ target_link_libraries(
     PUBLIC index
 )
 
-if(${TD_LINUX})
+if(${BUILD_S3})
 
 if(${BUILD_WITH_S3})
   target_include_directories(
@@ -173,7 +173,8 @@ if(${BUILD_WITH_S3})
   set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
   set(CMAKE_PREFIX_PATH $ENV{HOME}/.cos-local.2)
   find_library(S3_LIBRARY s3)
-  find_library(CURL_LIBRARY curl)
+  find_library(CURL_LIBRARY curl $ENV{HOME}/.cos-local.2/lib NO_DEFAULT_PATH)
+  find_library(XML2_LIBRARY xml2)
   find_library(SSL_LIBRARY ssl $ENV{HOME}/.cos-local.2/lib64 NO_DEFAULT_PATH)
   find_library(CRYPTO_LIBRARY crypto $ENV{HOME}/.cos-local.2/lib64 NO_DEFAULT_PATH)
   target_link_libraries(
@@ -184,11 +185,11 @@ if(${BUILD_WITH_S3})
     PUBLIC ${CURL_LIBRARY}
     PUBLIC ${SSL_LIBRARY}
     PUBLIC ${CRYPTO_LIBRARY}
-    PUBLIC xml2
+    PUBLIC ${XML2_LIBRARY}
   )
 
   add_definitions(-DUSE_S3)
-endif(${BUILD_WITH_S3})
+endif()
 
 if(${BUILD_WITH_COS})
 
@@ -227,7 +228,7 @@ target_include_directories(
   add_definitions(-DUSE_COS)
 endif(${BUILD_WITH_COS})
 
-endif(${TD_LINUX})
+endif()
 
 IF (TD_GRANT)
   TARGET_LINK_LIBRARIES(vnode PUBLIC grant)
diff --git a/source/libs/parser/src/parAstCreater.c b/source/libs/parser/src/parAstCreater.c
index 9966347219..8fd98f64de 100644
--- a/source/libs/parser/src/parAstCreater.c
+++ b/source/libs/parser/src/parAstCreater.c
@@ -1412,6 +1412,10 @@ SNode* createColumnDefNode(SAstCreateContext* pCxt, SToken* pColName, SDataType
   if (!checkColumnName(pCxt, pColName) || !checkComment(pCxt, pComment, false)) {
     return NULL;
   }
+  if (IS_VAR_DATA_TYPE(dataType.type) && dataType.bytes == 0) {
+    pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_VAR_COLUMN_LEN);
+    return NULL;
+  }
   SColumnDefNode* pCol = (SColumnDefNode*)nodesMakeNode(QUERY_NODE_COLUMN_DEF);
   CHECK_OUT_OF_MEM(pCol);
   COPY_STRING_FORM_ID_TOKEN(pCol->colName, pColName);
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 4d212a1c3d..72293e2f8c 100644
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -2185,11 +2185,12 @@ static int32_t createCastFunc(STranslateContext* pCxt, SNode* pExpr, SDataType d
     nodesDestroyNode((SNode*)pFunc);
     return TSDB_CODE_OUT_OF_MEMORY;
   }
-  if (TSDB_CODE_SUCCESS != getFuncInfo(pCxt, pFunc)) {
+  int32_t code = getFuncInfo(pCxt, pFunc);
+  if (TSDB_CODE_SUCCESS != code) {
     nodesClearList(pFunc->pParameterList);
     pFunc->pParameterList = NULL;
     nodesDestroyNode((SNode*)pFunc);
-    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)pExpr)->aliasName);
+    return code;
   }
   *pCast = (SNode*)pFunc;
   return TSDB_CODE_SUCCESS;
diff --git a/source/libs/parser/src/parUtil.c b/source/libs/parser/src/parUtil.c
index 1b8bac4cbc..0ab8927bd0 100644
--- a/source/libs/parser/src/parUtil.c
+++ b/source/libs/parser/src/parUtil.c
@@ -126,7 +126,7 @@ static char* getSyntaxErrFormat(int32_t errCode) {
     case TSDB_CODE_PAR_INVALID_FIRST_COLUMN:
       return "First column must be timestamp";
     case TSDB_CODE_PAR_INVALID_VAR_COLUMN_LEN:
-      return "Invalid binary/nchar column length";
+      return "Invalid column length for var length type";
     case TSDB_CODE_PAR_INVALID_TAGS_NUM:
       return "Invalid number of tag columns";
     case TSDB_CODE_PAR_INVALID_INTERNAL_PK:
diff --git a/source/util/src/tcache.c b/source/util/src/tcache.c
index 392ac5d8b2..11f8df4c93 100644
--- a/source/util/src/tcache.c
+++ b/source/util/src/tcache.c
@@ -997,3 +997,15 @@ void taosCacheDestroyIter(SCacheIter *pIter) {
   taosMemoryFreeClear(pIter->pCurrent);
   taosMemoryFreeClear(pIter);
 }
+
+void taosCacheTryExtendLifeSpan(SCacheObj *pCacheObj, void **data) {
+  if (!pCacheObj || !(*data)) return;
+
+  SCacheNode *pNode = (SCacheNode *)((char *)(*data) - sizeof(SCacheNode));
+  if (pNode->signature != pNode) return;
+
+  if (!pNode->inTrashcan) {
+    atomic_store_64(&pNode->expireTime, pNode->lifespan + taosGetTimestampMs());
+    uDebug("cache:%s, data:%p extend expire time: %" PRId64, pCacheObj->name, pNode->data, pNode->expireTime);
+  }
+}
diff --git a/source/util/src/version.c.in b/source/util/src/version.c.in
index 71998e3321..ec6449a02f 100644
--- a/source/util/src/version.c.in
+++ b/source/util/src/version.c.in
@@ -2,6 +2,6 @@ char version[64] = "${TD_VER_NUMBER}";
 char compatible_version[12] = "${TD_VER_COMPATIBLE}";
 char gitinfo[48] = "${TD_VER_GIT}";
 char gitinfoOfInternal[48] = "${TD_VER_GIT_INTERNAL}";
-char buildinfo[64] = "Built at ${TD_VER_DATE}";
+char buildinfo[64] = "Built ${TD_VER_OSTYPE}-${TD_VER_CPUTYPE} at ${TD_VER_DATE}";
 
 void libtaos_${TD_LIB_VER_NUMBER}_${TD_VER_OSTYPE}_${TD_VER_CPUTYPE}_${TD_VER_VERTYPE}() {};
diff --git a/tests/system-test/2-query/varchar.py b/tests/system-test/2-query/varchar.py
index f0849010c6..debcd1f95e 100644
--- a/tests/system-test/2-query/varchar.py
+++ b/tests/system-test/2-query/varchar.py
@@ -76,6 +76,12 @@ class TDTestCase:
         for i in range(tdSql.queryRows):
             tdSql.checkData(i,0, data_ct1_c8[i])
 
+        tdSql.error("create stable empty_col_stable(ts timestamp, c2 varchar(0)) tags(tg1 int)")
+        tdSql.error("create stable empty_col_stable(ts timestamp, c2 varchar(10)) tags(tg1 varchar(0))")
+        tdSql.error("create stable empty_col_stable(ts timestamp, c2 varchar(10)) tags(tg1 nchar(0))")
+        tdSql.error("create stable empty_col_stable(ts timestamp, c2 varchar(10)) tags(tg1 binary(0))")
+        tdSql.error("create stable empty_col_stable(ts timestamp, c2 varchar(10)) tags(tg1 varbinary(0))")
+
 
         # tdSql.query("select c8 from ct4")
         # data_ct4 = [tdSql.getData(i,0) for i in range(tdSql.queryRows)]