diff --git a/include/common/tglobal.h b/include/common/tglobal.h
index 8bce28d34c518c822c3df150f329e043eb1b0274..2fc1765b415851f09ab2cffd45e022ef846c5e6e 100644
--- a/include/common/tglobal.h
+++ b/include/common/tglobal.h
@@ -55,23 +55,8 @@ extern float   tsStreamComputDelayRatio;  // the delayed computing ration of the
 extern int32_t tsProjectExecInterval;
 extern int64_t tsMaxRetentWindow;
 
-// system info
-
-extern uint32_t tsVersion;
-
-
-// lossy
-extern char     tsLossyColumns[];
-extern double   tsFPrecision;
-extern double   tsDPrecision;
-extern uint32_t tsMaxRange;
-extern uint32_t tsCurRange;
-extern char     tsCompressor[];
-
-
 #define NEEDTO_COMPRESSS_MSG(size) (tsCompressMsgSize != -1 && (size) > tsCompressMsgSize)
 
-void    taosInitGlobalCfg();
 int32_t taosCfgDynamicOptions(char *msg);
 bool    taosCheckBalanceCfgOptions(const char *option, int32_t *vnodeId, int32_t *dnodeId);
 void    taosAddDataDir(int index, char *v1, int level, int primary);
diff --git a/include/dnode/mgmt/dnode.h b/include/dnode/mgmt/dnode.h
index 99fe2457a80da8318cc933d09aaa3d52cb9296bf..5d6c869b4d8a66463590fa0762da3658adc2a41e 100644
--- a/include/dnode/mgmt/dnode.h
+++ b/include/dnode/mgmt/dnode.h
@@ -32,6 +32,8 @@ typedef struct {
   uint16_t numOfCommitThreads;
   bool     enableTelem;
   bool     printAuth;
+  int32_t  rpcTimer;
+  int32_t  rpcMaxTime;
   char     timezone[TSDB_TIMEZONE_LEN];
   char     locale[TSDB_LOCALE_LEN];
   char     charset[TSDB_LOCALE_LEN];
diff --git a/include/libs/transport/trpc.h b/include/libs/transport/trpc.h
index 538aeb1a0e7927469cf90721dbbc16140c181e93..60e23f132cfe5c056c9863af1a007a2250c3f50d 100644
--- a/include/libs/transport/trpc.h
+++ b/include/libs/transport/trpc.h
@@ -81,9 +81,15 @@ typedef struct SRpcInit {
   void *parent;
 } SRpcInit;
 
-int32_t rpcInit();
+typedef struct {
+  int32_t rpcTimer;
+  int32_t rpcMaxTime;
+  int32_t sver;
+} SRpcCfg;
+
+int32_t rpcInit(SRpcCfg *pCfg);
 void    rpcCleanup();
-void *  rpcOpen(const SRpcInit *pRpc);
+void   *rpcOpen(const SRpcInit *pRpc);
 void    rpcClose(void *);
 void *  rpcMallocCont(int contLen);
 void    rpcFreeCont(void *pCont);
diff --git a/source/client/src/clientCfg.c b/source/client/src/clientCfg.c
index 22b1407a15691a9424ca1e769c563586762513ac..826626fd778361f3f5660c1c9680d04837ff5a26 100644
--- a/source/client/src/clientCfg.c
+++ b/source/client/src/clientCfg.c
@@ -17,7 +17,7 @@
 #include "clientInt.h"
 #include "ulog.h"
 
-// todo refact 
+// todo refact
 SConfig *tscCfg;
 
 static int32_t tscLoadCfg(SConfig *pConfig, const char *inputCfgDir, const char *envFile, const char *apolloUrl) {
@@ -125,7 +125,7 @@ static int32_t tscAddEpCfg(SConfig *pCfg) {
     return -1;
   }
   if (cfgAddString(pCfg, "fqdn", defaultFqdn) != 0) return -1;
-  
+
   int32_t defaultServerPort = 6030;
   if (cfgAddInt32(pCfg, "serverPort", defaultServerPort, 1, 65056) != 0) return -1;
 
@@ -142,11 +142,10 @@ static int32_t tscAddEpCfg(SConfig *pCfg) {
 static int32_t tscAddCfg(SConfig *pCfg) {
   if (tscAddEpCfg(pCfg) != 0) return -1;
 
-
   // if (cfgAddString(pCfg, "buildinfo", buildinfo) != 0) return -1;
   // if (cfgAddString(pCfg, "gitinfo", gitinfo) != 0) return -1;
   // if (cfgAddString(pCfg, "version", version) != 0) return -1;
- 
+
   // if (cfgAddDir(pCfg, "dataDir", tsDataDir) != 0) return -1;
   if (cfgAddTimezone(pCfg, "timezone", "") != 0) return -1;
   if (cfgAddLocale(pCfg, "locale", "") != 0) return -1;
@@ -160,7 +159,8 @@ static int32_t tscAddCfg(SConfig *pCfg) {
   if (cfgAddFloat(pCfg, "numOfThreadsPerCore", 1, 0, 10) != 0) return -1;
   if (cfgAddFloat(pCfg, "ratioOfQueryCores", 1, 0, 5) != 0) return -1;
   if (cfgAddInt32(pCfg, "shellActivityTimer", 3, 1, 120) != 0) return -1;
-
+  if (cfgAddInt32(pCfg, "rpcTimer", 300, 100, 3000) != 0) return -1;
+  if (cfgAddInt32(pCfg, "rpcMaxTime", 600, 100, 7200) != 0) return -1;
   if (cfgAddInt32(pCfg, "maxConnections", 50000, 1, 100000) != 0) return -1;
   return 0;
 }
@@ -169,8 +169,6 @@ int32_t tscCheckCfg(SConfig *pCfg) {
   bool enableCore = cfgGetItem(pCfg, "enableCoreFile")->bval;
   taosSetCoreDump(enableCore);
 
-
-
   return 0;
 }
 
diff --git a/source/client/src/clientEnv.c b/source/client/src/clientEnv.c
index 38f94ecae879ae46db9c3aabd21fe7a302b79c2d..c982b2404692cba1387a93424c2ade2d64ded607 100644
--- a/source/client/src/clientEnv.c
+++ b/source/client/src/clientEnv.c
@@ -223,7 +223,11 @@ void taos_init_imp(void) {
   initMsgHandleFp();
   initQueryModuleMsgHandle();
 
-  rpcInit();
+  SRpcCfg rpcCfg = {0};
+  rpcCfg.rpcTimer = cfgGetItem(tscCfg, "rpcTimer")->i32;
+  rpcCfg.rpcMaxTime = cfgGetItem(tscCfg, "rpcMaxTime")->i32;
+  rpcCfg.sver = 30000000;
+  rpcInit(&rpcCfg);
 
   SCatalogCfg cfg = {.maxDBCacheNum = 100, .maxTblCacheNum = 100};
   catalogInit(&cfg);
diff --git a/source/client/test/clientTests.cpp b/source/client/test/clientTests.cpp
index 5414f17a6247769ba38c84d0dac8c37d8e25168e..ac36179a264ad8a23c6f7431279b36abe5b68458 100644
--- a/source/client/test/clientTests.cpp
+++ b/source/client/test/clientTests.cpp
@@ -49,7 +49,7 @@ int main(int argc, char** argv) {
 }
 
 TEST(testCase, driverInit_Test) {
-  taosInitGlobalCfg();
+  // taosInitGlobalCfg();
 //  taos_init();
 }
 
diff --git a/source/client/test/tmqTest.cpp b/source/client/test/tmqTest.cpp
index 9f8ff7143a822cfe3abb69b1475f884397501436..c34c10d8714fa443bb161333ab622093ec6eebd7 100644
--- a/source/client/test/tmqTest.cpp
+++ b/source/client/test/tmqTest.cpp
@@ -34,7 +34,7 @@ int main(int argc, char** argv) {
 }
 
 TEST(testCase, driverInit_Test) {
-  taosInitGlobalCfg();
+  // taosInitGlobalCfg();
 //  taos_init();
 }
 
diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 72783bf4ab5d6f0fd9597bb6b4641bb9f8c153ab..be98a0e2404b01a4bb2654ba557abd7a4ab7ba3e 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -118,23 +118,6 @@ bool tsdbForceKeepFile = false;
  */
 int64_t tsTickPerDay[] = {86400000L, 86400000000L, 86400000000000L};
 
-// system info
-int32_t  tsTotalMemoryMB = 0;
-uint32_t tsVersion = 0;
-
-//
-// lossy compress 6
-//
-char tsLossyColumns[32] = "";  // "float|double" means all float and double columns can be lossy compressed.  set empty
-                               // can close lossy compress.
-// below option can take effect when tsLossyColumns not empty
-double   tsFPrecision = 1E-8;                   // float column precision
-double   tsDPrecision = 1E-16;                  // double column precision
-uint32_t tsMaxRange = 500;                      // max range
-uint32_t tsCurRange = 100;                      // range
-char     tsCompressor[32] = "ZSTD_COMPRESSOR";  // ZSTD_COMPRESSOR or GZIP_COMPRESSOR
-
-
 int32_t (*monStartSystemFp)() = NULL;
 void (*monStopSystemFp)() = NULL;
 void (*monExecuteSQLFp)(char *sql) = NULL;
@@ -529,8 +512,6 @@ static void doInitGlobalConfig(void) {
 #endif
 }
 
-void taosInitGlobalCfg() { pthread_once(&tsInitGlobalCfgOnce, doInitGlobalConfig); }
-
 /*
  * alter dnode 1 balance "vnode:1-dnode:2"
  */
diff --git a/source/dnode/mgmt/daemon/src/dmnCfg.c b/source/dnode/mgmt/daemon/src/dmnCfg.c
index 7bf538caed1ee09e2539a44d6101a47f85adea3e..52aa22a53323a944b2074d44000c7f164c8c4b15 100644
--- a/source/dnode/mgmt/daemon/src/dmnCfg.c
+++ b/source/dnode/mgmt/daemon/src/dmnCfg.c
@@ -80,6 +80,9 @@ static int32_t dmnAddDnodeCfg(SConfig *pCfg) {
   if (cfgAddFloat(pCfg, "ratioOfQueryCores", 1, 0, 5) != 0) return -1;
   if (cfgAddInt32(pCfg, "maxShellConns", 50000, 10, 50000000) != 0) return -1;
   if (cfgAddInt32(pCfg, "shellActivityTimer", 3, 1, 120) != 0) return -1;
+  if (cfgAddInt32(pCfg, "rpcTimer", 300, 100, 3000) != 0) return -1;
+  if (cfgAddInt32(pCfg, "rpcMaxTime", 600, 100, 7200) != 0) return -1;
+  
   return 0;
 }
 
@@ -184,6 +187,8 @@ SDnodeEnvCfg dmnGetEnvCfg(SConfig *pCfg) {
   envCfg.numOfCores = cfgGetItem(pCfg, "numOfCores")->i32;
   envCfg.numOfCommitThreads = (uint16_t)cfgGetItem(pCfg, "numOfCommitThreads")->i32;
   envCfg.enableTelem = cfgGetItem(pCfg, "telemetryReporting")->bval;
+  envCfg.rpcMaxTime = cfgGetItem(pCfg, "rpcMaxTime")->i32;
+  envCfg.rpcTimer = cfgGetItem(pCfg, "rpcTimer")->i32;
 
   return envCfg;
 }
diff --git a/source/dnode/mgmt/impl/src/dndEnv.c b/source/dnode/mgmt/impl/src/dndEnv.c
index 58517c8151cdacc9f6c2655ce897aadb7fc1a31d..b8f249f838203b57232c315a3503729fe2b13449 100644
--- a/source/dnode/mgmt/impl/src/dndEnv.c
+++ b/source/dnode/mgmt/impl/src/dndEnv.c
@@ -270,7 +270,8 @@ int32_t dndInit(const SDnodeEnvCfg *pCfg) {
   taosBlockSIGPIPE();
   taosResolveCRC();
 
-  if (rpcInit() != 0) {
+  SRpcCfg rpcCfg = {.rpcTimer = pCfg->rpcTimer, .rpcMaxTime = pCfg->rpcMaxTime, .sver = pCfg->sver};
+  if (rpcInit(&rpcCfg) != 0) {
     dError("failed to init rpc since %s", terrstr());
     dndCleanup();
     return -1;
diff --git a/source/dnode/mgmt/impl/test/sut/src/sut.cpp b/source/dnode/mgmt/impl/test/sut/src/sut.cpp
index d32bdf29c600e887f38bfba40ec69c2c0992e7b5..9863fd9f54e7879df574c1e343387a35e9a0184f 100644
--- a/source/dnode/mgmt/impl/test/sut/src/sut.cpp
+++ b/source/dnode/mgmt/impl/test/sut/src/sut.cpp
@@ -43,6 +43,8 @@ void Testbase::Init(const char* path, int16_t port) {
   SDnodeEnvCfg cfg = {0};
   cfg.numOfCommitThreads = 1;
   cfg.numOfCores = 1;
+  cfg.rpcMaxTime = 600;
+  cfg.rpcTimer = 300;
   dndInit(&cfg);
 
   char fqdn[] = "localhost";
diff --git a/source/libs/transport/src/rpcMain.c b/source/libs/transport/src/rpcMain.c
index 44bb6fdb702a349eda00acf2e503d58e98324965..cfd01bf3be7c4b0256dde3a3669b88dbaf69fb40 100644
--- a/source/libs/transport/src/rpcMain.c
+++ b/source/libs/transport/src/rpcMain.c
@@ -146,8 +146,9 @@ typedef struct SRpcConn {
 static int     tsRpcRefId = -1;
 static int32_t tsRpcNum = 0;
 
-int32_t tsRpcTimer = 300;
-int32_t tsRpcMaxTime = 600;  // seconds;
+int32_t  tsRpcTimer = 300;
+int32_t  tsRpcMaxTime = 600;  // seconds;
+uint32_t tsVersion = 0;
 
 // static pthread_once_t tsRpcInit = PTHREAD_ONCE_INIT;
 
@@ -228,7 +229,9 @@ static void rpcInitImp(void) {
   tsFqdnHash = taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), false, HASH_ENTRY_LOCK);
 }
 
-int32_t rpcInit(void) {
+int32_t rpcInit(SRpcCfg *pCfg) {
+  tsRpcTimer = pCfg->rpcTimer;
+  tsRpcMaxTime = pCfg->rpcMaxTime;
   pthread_once(&tsRpcInitOnce, rpcInitImp);
   return 0;
 }
diff --git a/source/os/src/osEnv.c b/source/os/src/osEnv.c
index b90d9fbe94fdaf75aa363c25b5a876e6579877e1..7417c6ff8443af4a2da8ebb8bd1c339f72323ed7 100644
--- a/source/os/src/osEnv.c
+++ b/source/os/src/osEnv.c
@@ -82,6 +82,8 @@ char tsDataDir[PATH_MAX] = "/var/lib/taos";
 char tsLogDir[PATH_MAX] = "/var/log/taos";
 char tsTempDir[PATH_MAX] = "/tmp/";
 
-void osInit() {}
+void osInit() {
+    srand(taosSafeRand());
+}
 
 #endif