diff --git a/packaging/release.sh b/packaging/release.sh
index 0c806a159f786e7506e80922f69ce6ab33a043c0..70f7af652f172b096ff734d65b2049d4d4e77ea2 100755
--- a/packaging/release.sh
+++ b/packaging/release.sh
@@ -109,6 +109,7 @@ build_time=$(date +"%F %R")
 echo "char version[64] = \"${version}\";" > ${versioninfo}
 echo "char compatible_version[64] = \"${compatible_version}\";" >> ${versioninfo}
 echo "char gitinfo[128] = \"$(git rev-parse --verify HEAD)\";"  >> ${versioninfo}
+echo "char gitinfoOfInternal[128] = \"\";"  >> ${versioninfo}
 echo "char buildinfo[512] = \"Built by ${USER} at ${build_time}\";"  >> ${versioninfo}
 
 # 2. cmake executable file
diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 1bd710f2fba810dc1c06b5733486f06cc3e1b6eb..5ddfebc0302f019a8caf8270c911b531efa6408c 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -5373,7 +5373,8 @@ static int32_t checkUpdateTagPrjFunctions(SSqlCmd* pCmd) {
 
   for (int32_t i = 0; i < pCmd->fieldsInfo.numOfOutputCols; ++i) {
     int16_t functionId = tscSqlExprGet(pCmd, i)->functionId;
-    if (functionId == TSDB_FUNC_TAGPRJ || functionId == TSDB_FUNC_PRJ || functionId == TSDB_FUNC_TS) {
+    if (functionId == TSDB_FUNC_TAGPRJ || functionId == TSDB_FUNC_PRJ || functionId == TSDB_FUNC_TS || 
+        functionId == TSDB_FUNC_ARITHM) {
       continue;
     }
 
diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index d0da79651e6c73cad34b56ed346d67c7c2b97e56..17900e5cfeb2b12ba45fad79cc97e04e93f1e737 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -246,7 +246,7 @@ bool tscProjectionQueryOnMetric(SSqlCmd* pCmd) {
   for (int32_t i = 0; i < pCmd->fieldsInfo.numOfOutputCols; ++i) {
     int32_t functionId = tscSqlExprGet(pCmd, i)->functionId;
     if (functionId != TSDB_FUNC_PRJ && functionId != TSDB_FUNC_TAGPRJ &&
-        functionId != TSDB_FUNC_TAG && functionId != TSDB_FUNC_TS) {
+        functionId != TSDB_FUNC_TAG && functionId != TSDB_FUNC_TS && functionId != TSDB_FUNC_ARITHM) {
       return false;
     }
   }
diff --git a/src/inc/tglobalcfg.h b/src/inc/tglobalcfg.h
index ed91964d611ccd4e578007794fcf9c9940123cf0..def7fb9a67650127f92daa4655ff91a4dbcee2b2 100644
--- a/src/inc/tglobalcfg.h
+++ b/src/inc/tglobalcfg.h
@@ -179,6 +179,7 @@ extern int  tsUdpDelay;
 extern char version[];
 extern char compatible_version[];
 extern char gitinfo[];
+extern char gitinfoOfInternal[];
 extern char buildinfo[];
 
 extern char tsTimezone[64];
diff --git a/src/system/detail/src/dnodeService.c b/src/system/detail/src/dnodeService.c
index f03bd5f3bbcd4ef8daefbcb223dc6592156f3a9f..2de60bda91f2fb172c2741cac6d15932b93e7d55 100644
--- a/src/system/detail/src/dnodeService.c
+++ b/src/system/detail/src/dnodeService.c
@@ -62,6 +62,7 @@ int main(int argc, char *argv[]) {
       #endif
       
       printf("gitinfo: %s\n", gitinfo);
+      printf("gitinfoI: %s\n", gitinfoOfInternal);
       printf("buildinfo: %s\n", buildinfo);
       return 0;
     } else if (strcmp(argv[i], "-k") == 0) {
diff --git a/src/system/detail/src/mgmtDnode.c b/src/system/detail/src/mgmtDnode.c
index 753d8bdaa043d502110961637796a33069e09006..c90d9bb661ea2302af40a1aa42e86eedd2c2732e 100644
--- a/src/system/detail/src/mgmtDnode.c
+++ b/src/system/detail/src/mgmtDnode.c
@@ -59,7 +59,7 @@ void mgmtCalcNumOfFreeVnodes(SDnodeObj *pDnode) {
     if (pVload->vgId != 0) {
       mTrace("%d-dnode:%s, calc free vnodes, exist vnode:%d, vgroup:%d, state:%d %s, dropstate:%d %s, syncstatus:%d %s",
              totalVnodes, taosIpStr(pDnode->privateIp), i, pVload->vgId,
-             pVload->status, taosGetDnodeStatusStr(pVload->status),
+             pVload->status, taosGetVnodeStatusStr(pVload->status),
              pVload->dropStatus, taosGetVnodeDropStatusStr(pVload->dropStatus),
              pVload->syncStatus, taosGetVnodeSyncStatusStr(pVload->syncStatus));
       totalVnodes++;
diff --git a/src/util/src/tglobalcfg.c b/src/util/src/tglobalcfg.c
index 80f76a3d25be300866f4f90c0ebb444242402185..a3b2ba151d1f5fd5bef36d850479c57292ed10c3 100644
--- a/src/util/src/tglobalcfg.c
+++ b/src/util/src/tglobalcfg.c
@@ -788,6 +788,9 @@ static void doInitGlobalConfig() {
   tsInitConfigOption(cfg++, "gitinfo", gitinfo, TSDB_CFG_VTYPE_STRING,
                      TSDB_CFG_CTYPE_B_SHOW | TSDB_CFG_CTYPE_B_CLIENT,
                      0, 0, 0, TSDB_CFG_UTYPE_NONE);
+  tsInitConfigOption(cfg++, "gitinfoOfInternal", gitinfoOfInternal, TSDB_CFG_VTYPE_STRING,
+                     TSDB_CFG_CTYPE_B_SHOW | TSDB_CFG_CTYPE_B_CLIENT,
+                     0, 0, 0, TSDB_CFG_UTYPE_NONE);
   tsInitConfigOption(cfg++, "buildinfo", buildinfo, TSDB_CFG_VTYPE_STRING,
                      TSDB_CFG_CTYPE_B_SHOW | TSDB_CFG_CTYPE_B_CLIENT,
                      0, 0, 0, TSDB_CFG_UTYPE_NONE);
diff --git a/src/util/src/version.c b/src/util/src/version.c
index 4eab3fb7e2d91817c6ce6e7dbf52d711289075c8..ab8de0e0de9ae3a37f6e3ba5407e43057c9560eb 100644
--- a/src/util/src/version.c
+++ b/src/util/src/version.c
@@ -1,4 +1,6 @@
-char version[64] = "1.6.4.1";
+
+char version[64] = "1.6.4.2";
 char compatible_version[64] = "1.6.1.0";
-char gitinfo[128] = "893fac9da79ef9b88355fcd18d29057adf909bbd";
-char buildinfo[512] = "Built by ubuntu at 2019-12-02 22:21";
+char gitinfo[128] = "b9a62d60dc1d4a41452a9bc94e3a0924485c3a75";
+char gitinfoOfInternal[128] = "e6445addc77e8c96dcb57221fa6ab5dcde0458f7";
+char buildinfo[512] = "Built by root at 2019-12-10 10:31";
\ No newline at end of file