diff --git a/include/common/tglobal.h b/include/common/tglobal.h
index 5e245f376126f0fcae4e75e67a1e25019b332c60..8d73ea005d7806da6896e8aabe8e50ff31239bcb 100644
--- a/include/common/tglobal.h
+++ b/include/common/tglobal.h
@@ -27,7 +27,6 @@ extern int8_t   tsDaylight;
 extern int32_t  tsCompressMsgSize;
 extern int32_t  tsCompressColData;
 extern int32_t  tsMaxNumOfDistinctResults;
-extern char     tsTempDir[];
 extern int      tsCompatibleModel;  // 2.0 compatible model
 extern int8_t   tsEnableSlaveQuery;
 extern int8_t   tsEnableAdjustMaster;
diff --git a/include/os/osEnv.h b/include/os/osEnv.h
index 2745520ae3544ef3db6148dd5a646f53a8327d80..ba3dbcbc836a6a111dfc5fb82d5cc1b8f6693eca 100644
--- a/include/os/osEnv.h
+++ b/include/os/osEnv.h
@@ -16,28 +16,32 @@
 #ifndef _TD_OS_ENV_H_
 #define _TD_OS_ENV_H_
 
+#include "osSysinfo.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-extern char tsOsName[];
+typedef struct SEnvVar {
+  char       dataDir[PATH_MAX];
+  char       logDir[PATH_MAX];
+  char       tempDir[PATH_MAX];
+  char       osName[16];
+  SDiskSpace dataSpace;
+  SDiskSpace logSpace;
+  SDiskSpace tempSpace;
+} SEnvVar;
 
-extern char tsDataDir[];
-extern char tsLogDir[];
-extern char tsTempDir[];
 extern char configDir[];
 
-extern struct SDiskSpace tsLogSpace;
-extern struct SDiskSpace tsTempSpace;
-extern struct SDiskSpace tsDataSpace;
-
-void taosUpdateLogSpace();
-void taosUpdateTempSpace();
-void taosUpdateDataSpace();
-bool taosLogSpaceAvailable();
-bool taosTmpSpaceAvailable();
-bool taosDataSpaceAvailable();
-void taosUpdateAllSpace();
+void     osInit();
+SEnvVar *osEnv();
+void     osUpdate();
+bool     osLogSpaceAvailable();
+char *   osLogDir();
+char *   osTempDir();
+char *   osDataDir();
+char *   osName();
 
 #ifdef __cplusplus
 }
diff --git a/source/client/src/clientCfg.c b/source/client/src/clientCfg.c
index 826626fd778361f3f5660c1c9680d04837ff5a26..f2020ddf957f0c706eae4ae49a3ae0b9c0773683 100644
--- a/source/client/src/clientCfg.c
+++ b/source/client/src/clientCfg.c
@@ -67,7 +67,7 @@ static int32_t tscAddLogCfg(SConfig *pCfg) {
 }
 
 static int32_t tscSetLogCfg(SConfig *pCfg) {
-  tstrncpy(tsLogDir, cfgGetItem(pCfg, "logDir")->str, PATH_MAX);
+  tstrncpy(osLogDir(), cfgGetItem(pCfg, "logDir")->str, PATH_MAX);
   tsAsyncLog = cfgGetItem(pCfg, "asyncLog")->bval;
   tsNumOfLogLines = cfgGetItem(pCfg, "numOfLogLines")->i32;
   tsLogKeepDays = cfgGetItem(pCfg, "logKeepDays")->i32;
@@ -146,7 +146,7 @@ static int32_t tscAddCfg(SConfig *pCfg) {
   // 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 (cfgAddDir(pCfg, "dataDir", osDataDir()) != 0) return -1;
   if (cfgAddTimezone(pCfg, "timezone", "") != 0) return -1;
   if (cfgAddLocale(pCfg, "locale", "") != 0) return -1;
   if (cfgAddCharset(pCfg, "charset", "") != 0) return -1;
diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index ce8be66e826f2fe85f86a191834f90e500a0b369..25da197b875b0729b41acd98f744e6622f52e22e 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -235,7 +235,7 @@ static void doInitGlobalConfig(void) {
 
 
   cfg.option = "dataDir";
-  cfg.ptr = tsDataDir;
+  cfg.ptr = osDataDir();
   cfg.valType = TAOS_CFG_VTYPE_DATA_DIRCTORY;
   cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG;
   cfg.minValue = 0;
@@ -419,7 +419,7 @@ static void doInitGlobalConfig(void) {
   taosAddConfigOption(cfg);
 
   cfg.option = "tempDir";
-  cfg.ptr = tsTempDir;
+  cfg.ptr = osTempDir();
   cfg.valType = TAOS_CFG_VTYPE_STRING;
   cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG | TSDB_CFG_CTYPE_B_CLIENT;
   cfg.minValue = 0;
diff --git a/source/common/src/ttszip.c b/source/common/src/ttszip.c
index 6d57992c35bab4b8cea04888f1cf78ab9417bcb2..3265ea55476025e14357e0c7b021d93416faf763 100644
--- a/source/common/src/ttszip.c
+++ b/source/common/src/ttszip.c
@@ -23,7 +23,7 @@ STSBuf* tsBufCreate(bool autoDelete, int32_t order) {
 
   pTSBuf->autoDelete = autoDelete;
   
-  taosGetTmpfilePath(tsTempDir, "join", pTSBuf->path);
+  taosGetTmpfilePath(osTempDir(), "join", pTSBuf->path);
   pTSBuf->f = fopen(pTSBuf->path, "wb+");
   if (pTSBuf->f == NULL) {
     free(pTSBuf);
diff --git a/source/dnode/mgmt/daemon/src/dmnCfg.c b/source/dnode/mgmt/daemon/src/dmnCfg.c
index 52aa22a53323a944b2074d44000c7f164c8c4b15..83bc66ab8448fb1e96d3bdc37e2ccce50ef85604 100644
--- a/source/dnode/mgmt/daemon/src/dmnCfg.c
+++ b/source/dnode/mgmt/daemon/src/dmnCfg.c
@@ -40,18 +40,19 @@ static int32_t dmnAddEpCfg(SConfig *pCfg) {
 }
 
 static int32_t dmnAddDirCfg(SConfig *pCfg) {
-  if (cfgAddDir(pCfg, "dataDir", tsDataDir) != 0) return -1;
-  if (cfgAddDir(pCfg, "tempDir", tsTempDir) != 0) return -1;
+  if (cfgAddDir(pCfg, "dataDir", osDataDir()) != 0) return -1;
+  if (cfgAddDir(pCfg, "tempDir", osTempDir()) != 0) return -1;
   if (cfgAddFloat(pCfg, "minimalDataDirGB", 2.0f, 0.001f, 10000000) != 0) return -1;
   if (cfgAddFloat(pCfg, "minimalTempDirGB", 1.0f, 0.001f, 10000000) != 0) return -1;
   return 0;
 }
 
 static int32_t dmnCheckDirCfg(SConfig *pCfg) {
-  tstrncpy(tsDataDir, cfgGetItem(pCfg, "dataDir")->str, PATH_MAX);
-  tstrncpy(tsTempDir, cfgGetItem(pCfg, "tempDir")->str, PATH_MAX);
-  tsDataSpace.reserved = cfgGetItem(pCfg, "minimalDataDirGB")->fval;
-  tsTempSpace.reserved = cfgGetItem(pCfg, "minimalTempDirGB")->fval;
+  SEnvVar *pEnv = osEnv();
+  tstrncpy(pEnv->dataDir, cfgGetItem(pCfg, "dataDir")->str, PATH_MAX);
+  tstrncpy(pEnv->tempDir, cfgGetItem(pCfg, "tempDir")->str, PATH_MAX);
+  pEnv->dataSpace.reserved = cfgGetItem(pCfg, "minimalDataDirGB")->fval;
+  pEnv->tempSpace.reserved = cfgGetItem(pCfg, "minimalTempDirGB")->fval;
   return 0;
 }
 
diff --git a/source/dnode/mgmt/daemon/src/dmnLog.c b/source/dnode/mgmt/daemon/src/dmnLog.c
index 22a7d7b080a99d0d7773431b4a880187ede74811..809e27fbf8d37f987e757fb6d8bae7ae8d522c7b 100644
--- a/source/dnode/mgmt/daemon/src/dmnLog.c
+++ b/source/dnode/mgmt/daemon/src/dmnLog.c
@@ -41,8 +41,10 @@ int32_t dmnAddLogCfg(SConfig *pCfg) {
 }
 
 int32_t dmnSetLogCfg(SConfig *pCfg) {
-  tstrncpy(tsLogDir, cfgGetItem(pCfg, "logDir")->str, PATH_MAX);
-  tsLogSpace.reserved = cfgGetItem(pCfg, "minimalLogDirGB")->fval;
+  SEnvVar *pEnv = osEnv();
+
+  tstrncpy(pEnv->logDir, cfgGetItem(pCfg, "logDir")->str, PATH_MAX);
+  pEnv->logSpace.reserved = cfgGetItem(pCfg, "minimalLogDirGB")->fval;
   tsAsyncLog = cfgGetItem(pCfg, "asyncLog")->bval;
   tsNumOfLogLines = cfgGetItem(pCfg, "numOfLogLines")->i32;
   tsLogKeepDays = cfgGetItem(pCfg, "logKeepDays")->i32;
diff --git a/source/dnode/mgmt/impl/test/sut/src/sut.cpp b/source/dnode/mgmt/impl/test/sut/src/sut.cpp
index 9863fd9f54e7879df574c1e343387a35e9a0184f..53b27ffaff81e3f5f398ba77f8f6cb2f7e35a03a 100644
--- a/source/dnode/mgmt/impl/test/sut/src/sut.cpp
+++ b/source/dnode/mgmt/impl/test/sut/src/sut.cpp
@@ -33,7 +33,7 @@ void Testbase::InitLog(const char* path) {
 
   taosRemoveDir(path);
   taosMkDir(path);
-  tstrncpy(tsLogDir, path, PATH_MAX);
+  tstrncpy(osLogDir(), path, PATH_MAX);
   if (taosInitLog("taosdlog", 1) != 0) {
     printf("failed to init log file\n");
   }
diff --git a/source/libs/catalog/test/catalogTests.cpp b/source/libs/catalog/test/catalogTests.cpp
index ebe20fbb7fb9053463b265ffd1442527e35f1e3c..9dfe6eac3fcc06e8210191513057e35398cd1526 100644
--- a/source/libs/catalog/test/catalogTests.cpp
+++ b/source/libs/catalog/test/catalogTests.cpp
@@ -132,7 +132,7 @@ void ctgTestInitLogFile() {
   ctgDbgEnableDebug("api");
   
   if (taosInitLog(defaultLogFileNamePrefix, maxLogFileNum) < 0) {
-    printf("failed to open log file in directory:%s\n", tsLogDir);
+    printf("failed to open log file in directory:%s\n", osLogDir());
   }
 }
 
diff --git a/source/libs/config/src/config.c b/source/libs/config/src/config.c
index 17a652d2b5a7cb509af2d93798faf7594b25a00a..0b2680f08ece7b26800eb23eddd942ec5c40a8f4 100644
--- a/source/libs/config/src/config.c
+++ b/source/libs/config/src/config.c
@@ -593,16 +593,16 @@ void cfgDumpCfg(SConfig *pCfg) {
 
 //   pItem = cfgGetItem(pCfg, "dataDir");
 //   if (pItem != NULL) {
-//     tstrncpy(tsDataDir, pItem->str, PATH_MAX);
+//     tstrncpy(osDataDir(), pItem->str, PATH_MAX);
 //   }
 
 //   if (tsDiskCfgNum <= 0) {
-//     taosAddDataDir(0, tsDataDir, 0, 1);
+//     taosAddDataDir(0, osDataDir(), 0, 1);
 //     tsDiskCfgNum = 1;
-//     uTrace("dataDir:%s, level:0 primary:1 is configured by default", tsDataDir);
+//     uTrace("dataDir:%s, level:0 primary:1 is configured by default", osDataDir());
 //   }
 
-//   if (taosDirExist(tsTempDir) != 0) {
+//   if (taosDirExist(osTempDir()) != 0) {
 //     return -1;
 //   }
 
diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index 62c0e3623fbd520bf0e791d5623cf3f3e5e28804..cc05d433eb013b32abaed70290fbdeb0b7208584 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -4629,7 +4629,7 @@ int32_t doInitQInfo(SQInfo* pQInfo, STSBuf* pTsBuf, void* tsdb, void* sourceOptr
   getIntermediateBufInfo(pRuntimeEnv, &ps, &pQueryAttr->intermediateResultRowSize);
 
   int32_t TENMB = 1024*1024*10;
-  int32_t code = createDiskbasedBuffer(&pRuntimeEnv->pResultBuf, ps, TENMB, pQInfo->qId, tsTempDir);
+  int32_t code = createDiskbasedBuffer(&pRuntimeEnv->pResultBuf, ps, TENMB, pQInfo->qId, osTempDir());
   if (code != TSDB_CODE_SUCCESS) {
     return code;
   }
diff --git a/source/libs/function/src/tpercentile.c b/source/libs/function/src/tpercentile.c
index 40731adc58326da548bd53d4de6f2825efeff021..e58cdf8802d7aa48d02e87eb07d2319b60e98a0d 100644
--- a/source/libs/function/src/tpercentile.c
+++ b/source/libs/function/src/tpercentile.c
@@ -254,7 +254,7 @@ tMemBucket *tMemBucketCreate(int16_t nElemSize, int16_t dataType, double minval,
 
   resetSlotInfo(pBucket);
 
-  int32_t ret = createDiskbasedBuffer(&pBucket->pBuffer, pBucket->bufPageSize, pBucket->bufPageSize * 512, 1, tsTempDir);
+  int32_t ret = createDiskbasedBuffer(&pBucket->pBuffer, pBucket->bufPageSize, pBucket->bufPageSize * 512, 1, osTempDir());
   if (ret != 0) {
     tMemBucketDestroy(pBucket);
     return NULL;
diff --git a/source/libs/function/src/tudf.c b/source/libs/function/src/tudf.c
index b65e637a57496486919f0114dd633077f337d8d1..98bcf189b0809ff385517f3507825d378f59324a 100644
--- a/source/libs/function/src/tudf.c
+++ b/source/libs/function/src/tudf.c
@@ -55,7 +55,7 @@ int32_t initUdfInfo(SUdfInfo* pUdfInfo) {
 
   } else {
     char path[PATH_MAX] = {0};
-    taosGetTmpfilePath("script", path, tsTempDir);
+    taosGetTmpfilePath("script", path, osTempDir());
 
     FILE* file = fopen(path, "w+");
 
diff --git a/source/libs/index/test/fstUT.cc b/source/libs/index/test/fstUT.cc
index d59a3428da2ca377444234d77850ea4d7afadb26..af8ee747bfbcc5d31893dd092539d2383ec7af7a 100644
--- a/source/libs/index/test/fstUT.cc
+++ b/source/libs/index/test/fstUT.cc
@@ -30,7 +30,7 @@ static void EnvInit() {
   taosRemoveDir(path.c_str());
   taosMkDir(path.c_str());
   // init log file
-  tstrncpy(tsLogDir, path.c_str(), PATH_MAX);
+  tstrncpy(osLogDir(), path.c_str(), PATH_MAX);
   if (taosInitLog("tindex.idx", 1) != 0) {
     printf("failed to init log");
   }
diff --git a/source/libs/qworker/test/qworkerTests.cpp b/source/libs/qworker/test/qworkerTests.cpp
index 8ad5a76388e45c10aee8df05f91629338d7a0f02..d8df9a81c4f8a0480ce775ec8d62ffd764de2117 100644
--- a/source/libs/qworker/test/qworkerTests.cpp
+++ b/source/libs/qworker/test/qworkerTests.cpp
@@ -102,7 +102,7 @@ void qwtInitLogFile() {
   qDebugFlag = 159;
 
   if (taosInitLog(defaultLogFileNamePrefix, maxLogFileNum) < 0) {
-    printf("failed to open log file in directory:%s\n", tsLogDir);
+    printf("failed to open log file in directory:%s\n", osLogDir());
   }
 
 }
diff --git a/source/libs/scalar/test/filter/filterTests.cpp b/source/libs/scalar/test/filter/filterTests.cpp
index 420371fa0452b5cf40a2eb9f68259741094e4589..44918da89d16365db3d59726f62cffaa47225349 100644
--- a/source/libs/scalar/test/filter/filterTests.cpp
+++ b/source/libs/scalar/test/filter/filterTests.cpp
@@ -53,7 +53,7 @@ void flttInitLogFile() {
   qDebugFlag = 159;
 
   if (taosInitLog(defaultLogFileNamePrefix, maxLogFileNum) < 0) {
-    printf("failed to open log file in directory:%s\n", tsLogDir);
+    printf("failed to open log file in directory:%s\n", osLogDir());
   }
 }
 
diff --git a/source/libs/scalar/test/scalar/scalarTests.cpp b/source/libs/scalar/test/scalar/scalarTests.cpp
index 24bc8eaf40bb4a5603eeb7dee40d39ba0070f59c..de2c7f587468ac36ca06db602967cadc0136d181 100644
--- a/source/libs/scalar/test/scalar/scalarTests.cpp
+++ b/source/libs/scalar/test/scalar/scalarTests.cpp
@@ -52,7 +52,7 @@ void scltInitLogFile() {
   qDebugFlag = 159;
 
   if (taosInitLog(defaultLogFileNamePrefix, maxLogFileNum) < 0) {
-    printf("failed to open log file in directory:%s\n", tsLogDir);
+    printf("failed to open log file in directory:%s\n", osLogDir());
   }
 }
 
diff --git a/source/libs/scheduler/test/schedulerTests.cpp b/source/libs/scheduler/test/schedulerTests.cpp
index 89d365a7e7fe2410a5cfa8e3e7168b28f096540d..70684412ee28d88a32d67f47301453dacd84c02b 100644
--- a/source/libs/scheduler/test/schedulerTests.cpp
+++ b/source/libs/scheduler/test/schedulerTests.cpp
@@ -67,7 +67,7 @@ void schtInitLogFile() {
   qDebugFlag = 159;
 
   if (taosInitLog(defaultLogFileNamePrefix, maxLogFileNum) < 0) {
-    printf("failed to open log file in directory:%s\n", tsLogDir);
+    printf("failed to open log file in directory:%s\n", osLogDir());
   }
 
 }
diff --git a/source/libs/transport/test/transUT.cc b/source/libs/transport/test/transUT.cc
index f5b3ed4c3203808718090c27af8fb073bd6c81f5..f2b1764dc640336e02d89f19efc28eb7db67abf8 100644
--- a/source/libs/transport/test/transUT.cc
+++ b/source/libs/transport/test/transUT.cc
@@ -155,7 +155,7 @@ class TransObj {
     taosRemoveDir(path.c_str());
     taosMkDir(path.c_str());
 
-    tstrncpy(tsLogDir, path.c_str(), PATH_MAX);
+    tstrncpy(osLogDir(), path.c_str(), PATH_MAX);
     if (taosInitLog("taosdlog", 1) != 0) {
       printf("failed to init log file\n");
     }
diff --git a/source/os/src/osEnv.c b/source/os/src/osEnv.c
index 7417c6ff8443af4a2da8ebb8bd1c339f72323ed7..7949eb053e2cdb349a5306b6e1c67df152cd9485 100644
--- a/source/os/src/osEnv.c
+++ b/source/os/src/osEnv.c
@@ -13,77 +13,77 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-
 #define _DEFAULT_SOURCE
-#include "os.h"
 #include "osEnv.h"
+#include "os.h"
 #include "osSysinfo.h"
 
-SDiskSpace tsLogSpace;
-SDiskSpace tsTempSpace;
-SDiskSpace tsDataSpace;
-
-void taosUpdateLogSpace() { taosGetDiskSize(tsLogDir, &tsLogSpace.size); }
-
-void taosUpdateTempSpace() { taosGetDiskSize(tsTempDir, &tsTempSpace.size); }
-
-void taosUpdateDataSpace() { taosGetDiskSize(tsDataDir, &tsDataSpace.size); }
-
-bool taosLogSpaceAvailable() { return tsLogSpace.reserved < tsLogSpace.size.avail; }
-
-bool taosTempSpaceAvailable() { return tsTempSpace.reserved < tsTempSpace.size.avail; }
-
-bool taosDataSpaceAvailable() { return tsDataSpace.reserved < tsDataSpace.size.avail; }
-
-void taosUpdateAllSpace() {
-  taosUpdateLogSpace();
-  taosUpdateTempSpace();
-  taosUpdateDataSpace();
-}
+SEnvVar env = {0};
+char    configDir[PATH_MAX] = {0};
 
 #if defined(_TD_WINDOWS_64) || defined(_TD_WINDOWS_32)
 
-char tsOsName[10] = "Windows";
-char configDir[PATH_MAX] = "C:/TDengine/cfg";
-char tsDataDir[PATH_MAX] = "C:/TDengine/data";
-char tsLogDir[PATH_MAX] = "C:/TDengine/log";
-char tsTempDir[PATH_MAX] = "C:\\Windows\\Temp";
-
 extern taosWinSocketInit();
 
 void osInit() {
+  srand(taosSafeRand());
   taosWinSocketInit();
 
   const char *tmpDir = getenv("tmp");
   if (tmpDir == NULL) {
     tmpDir = getenv("temp");
   }
-
   if (tmpDir != NULL) {
-    strcpy(tsTempDir, tmpDir);
+    strcpy(env.tempDir, tmpDir);
   }
+
+  strcpy(configDir, "C:\\TDengine\\cfg");
+  strcpy(env.dataDir, "C:\\TDengine\\data");
+  strcpy(env.logDir, "C:\\TDengine\\log");
+  strcpy(env.tempDir, "C:\\Windows\\Temp");
+  strcpy(env.osName, "Windows");
 }
 
 #elif defined(_TD_DARWIN_64)
 
-char tsOsName[10] = "Darwin";
-char configDir[PATH_MAX] = "/usr/local/etc/taos";
-char tsDataDir[PATH_MAX] = "/usr/local/var/lib/taos";
-char tsLogDir[PATH_MAX] = "/usr/local/var/log/taos";
-char tsTempDir[PATH_MAX] = "/tmp/taosd";
-
-void osInit() {}
-
+void osInit() {
+  srand(taosSafeRand());
+  strcpy(configDir, "/tmp/taosd");
+  strcpy(env.dataDir, "/usr/local/var/lib/taos");
+  strcpy(env.logDir, "/usr/local/var/log/taos");
+  strcpy(env.tempDir, "/usr/local/etc/taos");
+  strcpy(env.osName, "Darwin");
+}
 #else
 
-char tsOsName[10] = "Linux";
-char configDir[PATH_MAX] = "/etc/taos";
-char tsDataDir[PATH_MAX] = "/var/lib/taos";
-char tsLogDir[PATH_MAX] = "/var/log/taos";
-char tsTempDir[PATH_MAX] = "/tmp/";
-
 void osInit() {
-    srand(taosSafeRand());
+  srand(taosSafeRand());
+  strcpy(configDir, "/etc/taos");
+  strcpy(env.dataDir, "/var/lib/taos");
+  strcpy(env.logDir, "/var/log/taos");
+  strcpy(env.tempDir, "/tmp");
+  strcpy(env.osName, "Linux");
 }
 
 #endif
+
+SEnvVar *osEnv() { return &env; }
+
+void osUpdate() {
+  if (env.logDir[0] != 0) {
+    taosGetDiskSize(env.logDir, &env.logSpace.size);
+  }
+  if (env.dataDir[0] != 0) {
+    taosGetDiskSize(env.dataDir, &env.dataSpace.size);
+  }
+  if (env.tempDir[0] != 0) {
+    taosGetDiskSize(env.tempDir, &env.tempSpace.size);
+  }
+}
+
+bool osLogSpaceAvailable() { return env.logSpace.reserved < env.logSpace.size.avail; }
+
+char *osLogDir() { return env.logDir; }
+char *osTempDir() { return env.tempDir; }
+char *osDataDir() { return env.dataDir; }
+char *osName() { return env.osName; }
diff --git a/source/os/src/osSysinfo.c b/source/os/src/osSysinfo.c
index cae1b18b3c3dc876d9a7b2b54b1e4735ec417e4c..d223a3d5a6a74feefdaa011617cb615d68aac081 100644
--- a/source/os/src/osSysinfo.c
+++ b/source/os/src/osSysinfo.c
@@ -134,7 +134,7 @@ int32_t taosGetDiskSize(char *dataDir, SDiskSize *diskSize) {
     diskSize->used = (int64_t)(i64TotalBytes - i64FreeBytes);
     return 0;
   } else {
-    //printf("failed to get disk size, dataDir:%s errno:%s", tsDataDir, strerror(errno));
+    //printf("failed to get disk size, dataDir:%s errno:%s", osDataDir(), strerror(errno));
     terrno = TAOS_SYSTEM_ERROR(errno);
     return -1;
   }
@@ -441,7 +441,7 @@ void taosSetCoreDump() {}
 int32_t taosGetDiskSize(char *dataDir, SDiskSize *diskSize) {
   struct statvfs info;
   if (statvfs(dataDir, &info)) {
-    //printf("failed to get disk size, dataDir:%s errno:%s", tsDataDir, strerror(errno));
+    //printf("failed to get disk size, dataDir:%s errno:%s", osDataDir(), strerror(errno));
     terrno = TAOS_SYSTEM_ERROR(errno);
     return -1;
   } else {
diff --git a/source/util/src/tlog.c b/source/util/src/tlog.c
index f479203fcef88249d2e88655610fda1bd43307aa..9b01aea0e40ed6b3f81041cf0ca16a47f12af4ea 100644
--- a/source/util/src/tlog.c
+++ b/source/util/src/tlog.c
@@ -118,10 +118,9 @@ static int32_t taosStartLog() {
 
 int32_t taosInitLog(const char *logName, int maxFiles) {
   if (tsLogInited) return 0;
-  taosUpdateLogSpace();
 
   char fullName[PATH_MAX] = {0};
-  snprintf(fullName, PATH_MAX, "%s" TD_DIRSEP "%s", tsLogDir, logName);
+  snprintf(fullName, PATH_MAX, "%s" TD_DIRSEP "%s", osLogDir(), logName);
 
   tsLogObj.logHandle = taosLogBuffNew(TSDB_DEFAULT_LOG_BUF_SIZE);
   if (tsLogObj.logHandle == NULL) return -1;
@@ -187,7 +186,7 @@ static void taosKeepOldLog(char *oldName) {
     }
   }
 
-  taosRemoveOldFiles(tsLogDir, TABS(tsLogKeepDays));
+  taosRemoveOldFiles(osLogDir(), TABS(tsLogKeepDays));
 }
 
 static void *taosThreadToOpenNewFile(void *param) {
@@ -380,7 +379,7 @@ static int32_t taosOpenLogFile(char *fn, int32_t maxLines, int32_t maxFileNum) {
 }
 
 void taosPrintLog(const char *flags, int32_t dflag, const char *format, ...) {
-  if (!taosLogSpaceAvailable()) return;
+  if (!osLogSpaceAvailable()) return;
 
   va_list        argpointer;
   char           buffer[MAX_LOGLINE_BUFFER_SIZE] = {0};
@@ -434,7 +433,7 @@ void taosPrintLog(const char *flags, int32_t dflag, const char *format, ...) {
 }
 
 void taosDumpData(unsigned char *msg, int32_t len) {
-  if (!taosLogSpaceAvailable()) return;
+  if (!osLogSpaceAvailable()) return;
 
   char    temp[256];
   int32_t i, pos = 0, c = 0;
@@ -457,7 +456,7 @@ void taosDumpData(unsigned char *msg, int32_t len) {
 }
 
 void taosPrintLongString(const char *flags, int32_t dflag, const char *format, ...) {
-  if (!taosLogSpaceAvailable()) return;
+  if (!osLogSpaceAvailable()) return;
 
   va_list        argpointer;
   char           buffer[MAX_LOGLINE_DUMP_BUFFER_SIZE];
diff --git a/tools/shell/src/shellEngine.c b/tools/shell/src/shellEngine.c
index 4186f0dae1038f2336565a99b03953b0e99a1e8d..33774bdd058b516189d7c0552c08622e10ac8a8d 100644
--- a/tools/shell/src/shellEngine.c
+++ b/tools/shell/src/shellEngine.c
@@ -68,11 +68,11 @@ TAOS *shellInit(SShellArguments *_args) {
   printf("\n");
   if (!_args->is_use_passwd) {
 #ifdef TD_WINDOWS
-    strcpy(tsOsName, "Windows");
+    strcpy(osName(), "Windows");
 #elif defined(TD_DARWIN)
-    strcpy(tsOsName, "Darwin");
+    strcpy(osName(), "Darwin");
 #endif
-    printf(CLIENT_VERSION, tsOsName, taos_get_client_info());
+    printf(CLIENT_VERSION, osName(), taos_get_client_info());
   }
 
   fflush(stdout);
diff --git a/tools/shell/src/shellLinux.c b/tools/shell/src/shellLinux.c
index 89b477f08a447c99d36707785ad17569df670e24..0526ebb4420ae63d4f19d18fc1ac3fcd2d778a25 100644
--- a/tools/shell/src/shellLinux.c
+++ b/tools/shell/src/shellLinux.c
@@ -184,8 +184,8 @@ static void parse_args(
     for (int i = 1; i < argc; i++) {
         if ((strncmp(argv[i], "-p", 2) == 0)
               || (strncmp(argv[i], "--password", 10) == 0)) {
-            strcpy(tsOsName, "Linux");
-            printf(LINUXCLIENT_VERSION, tsOsName, taos_get_client_info());
+            strcpy(osName(), "Linux");
+            printf(LINUXCLIENT_VERSION, osName(), taos_get_client_info());
             if ((strlen(argv[i]) == 2)
                   || (strncmp(argv[i], "--password", 10) == 0)) {
                 printf("Enter password: ");