diff --git a/include/os/osSysinfo.h b/include/os/osSysinfo.h
index bf9d7662e6aed4b979142c18615a7881b289389c..7ad9c57a3c02487a50a0b6905b377125d9eaf8df 100644
--- a/include/os/osSysinfo.h
+++ b/include/os/osSysinfo.h
@@ -34,9 +34,9 @@ typedef struct {
 } SDiskSpace;
 
 void    taosGetSystemInfo();
-bool    taosGetEmail(char *email, int32_t maxLen);
-bool    taosGetOsReleaseName(char *releaseName, int32_t maxLen);
-bool    taosGetCpuInfo(char *cpuModel, int32_t maxLen, int32_t *numOfCores);
+int32_t taosGetEmail(char *email, int32_t maxLen);
+int32_t taosGetOsReleaseName(char *releaseName, int32_t maxLen);
+int32_t taosGetCpuInfo(char *cpuModel, int32_t maxLen, int32_t *numOfCores);
 int32_t taosGetCpuCores();
 bool    taosGetCpuUsage(float *sysCpuUsage, float *procCpuUsage);
 bool    taosGetTotalSysMemoryKB(uint64_t *kb);
diff --git a/source/dnode/mnode/impl/src/mndTelem.c b/source/dnode/mnode/impl/src/mndTelem.c
index 1cd7593846716f54b7cbb491dc7e207280821c80..da2c52ec8f701eebeaa9fc300883aec45e16e002 100644
--- a/source/dnode/mnode/impl/src/mndTelem.c
+++ b/source/dnode/mnode/impl/src/mndTelem.c
@@ -52,12 +52,12 @@ static char* mndBuildTelemetryReport(SMnode* pMnode) {
   tjsonAddStringToObject(pJson, "instanceId", clusterName);
   tjsonAddDoubleToObject(pJson, "reportVersion", 1);
 
-  if (taosGetOsReleaseName(tmp, sizeof(tmp))) {
+  if (taosGetOsReleaseName(tmp, sizeof(tmp)) == 0) {
     tjsonAddStringToObject(pJson, "os", tmp);
   }
 
   int32_t numOfCores = 0;
-  if (taosGetCpuInfo(tmp, sizeof(tmp), &numOfCores)) {
+  if (taosGetCpuInfo(tmp, sizeof(tmp), &numOfCores) == 0) {
     tjsonAddStringToObject(pJson, "cpuModel", tmp);
     tjsonAddDoubleToObject(pJson, "numOfCpu", numOfCores);
   } else {
diff --git a/source/os/src/osSysinfo.c b/source/os/src/osSysinfo.c
index 3e761c6d9164719963d01b138dea749e0b7d9ace..d3f56e5901224c9dd107aff08553aaa800151409 100644
--- a/source/os/src/osSysinfo.c
+++ b/source/os/src/osSysinfo.c
@@ -80,7 +80,6 @@ bool taosGetProcMemory(float *memoryUsedMB) {
   return true;
 }
 
-
 int32_t taosGetCpuCores() {
   SYSTEM_INFO info;
   GetSystemInfo(&info);
@@ -106,7 +105,7 @@ 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", tsDataDir, strerror(errno));
     terrno = TAOS_SYSTEM_ERROR(errno);
     return -1;
   }
@@ -173,12 +172,12 @@ void taosGetSystemInfo() {
 }
 
 void taosKillSystem() {
-  //printf("function taosKillSystem, exit!");
+  // printf("function taosKillSystem, exit!");
   exit(0);
 }
 
 int taosSystem(const char *cmd) {
-  //printf("taosSystem not support");
+  // printf("taosSystem not support");
   return -1;
 }
 
@@ -241,9 +240,8 @@ char *taosGetCmdlineByPID(int pid) { return ""; }
 #include <errno.h>
 #include <libproc.h>
 
-
 void taosKillSystem() {
-  //printf("function taosKillSystem, exit!");
+  // printf("function taosKillSystem, exit!");
   exit(0);
 }
 
@@ -300,7 +298,7 @@ bool taosGetSysMemory(float *memoryUsedMB) {
 }
 
 int taosSystem(const char *cmd) {
-  //printf("un support funtion");
+  // printf("un support funtion");
   return -1;
 }
 
@@ -309,7 +307,7 @@ 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", tsDataDir, strerror(errno));
     terrno = TAOS_SYSTEM_ERROR(errno);
     return -1;
   } else {
@@ -404,12 +402,12 @@ bool taosGetProcMemory(float *memoryUsedMB) {
   // FILE *fp = fopen(tsProcMemFile, "r");
   TdFilePtr pFile = taosOpenFile(tsProcMemFile, TD_FILE_READ | TD_FILE_STREAM);
   if (pFile == NULL) {
-    //printf("open file:%s failed", tsProcMemFile);
+    // printf("open file:%s failed", tsProcMemFile);
     return false;
   }
 
   ssize_t _bytes = 0;
-  char *  line = NULL;
+  char   *line = NULL;
   while (!taosEOFFile(pFile)) {
     _bytes = taosGetLineFile(pFile, &line);
     if ((_bytes < 0) || (line == NULL)) {
@@ -421,7 +419,7 @@ bool taosGetProcMemory(float *memoryUsedMB) {
   }
 
   if (line == NULL) {
-    //printf("read file:%s failed", tsProcMemFile);
+    // printf("read file:%s failed", tsProcMemFile);
     taosCloseFile(&pFile);
     return false;
   }
@@ -431,7 +429,7 @@ bool taosGetProcMemory(float *memoryUsedMB) {
   sscanf(line, "%s %" PRId64, tmp, &memKB);
   *memoryUsedMB = (float)((double)memKB / 1024);
 
-  if(line != NULL) tfree(line);
+  if (line != NULL) tfree(line);
   taosCloseFile(&pFile);
   return true;
 }
@@ -440,14 +438,14 @@ static bool taosGetSysCpuInfo(SysCpuInfo *cpuInfo) {
   // FILE *fp = fopen(tsSysCpuFile, "r");
   TdFilePtr pFile = taosOpenFile(tsSysCpuFile, TD_FILE_READ | TD_FILE_STREAM);
   if (pFile == NULL) {
-    //printf("open file:%s failed", tsSysCpuFile);
+    // printf("open file:%s failed", tsSysCpuFile);
     return false;
   }
 
-  char *  line = NULL;
+  char   *line = NULL;
   ssize_t _bytes = taosGetLineFile(pFile, &line);
   if ((_bytes < 0) || (line == NULL)) {
-    //printf("read file:%s failed", tsSysCpuFile);
+    // printf("read file:%s failed", tsSysCpuFile);
     taosCloseFile(&pFile);
     return false;
   }
@@ -456,7 +454,7 @@ static bool taosGetSysCpuInfo(SysCpuInfo *cpuInfo) {
   sscanf(line, "%s %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64, cpu, &cpuInfo->user, &cpuInfo->nice, &cpuInfo->system,
          &cpuInfo->idle);
 
-  if(line != NULL) tfree(line);
+  if (line != NULL) tfree(line);
   taosCloseFile(&pFile);
   return true;
 }
@@ -465,14 +463,14 @@ static bool taosGetProcCpuInfo(ProcCpuInfo *cpuInfo) {
   // FILE *fp = fopen(tsProcCpuFile, "r");
   TdFilePtr pFile = taosOpenFile(tsProcCpuFile, TD_FILE_READ | TD_FILE_STREAM);
   if (pFile == NULL) {
-    //printf("open file:%s failed", tsProcCpuFile);
+    // printf("open file:%s failed", tsProcCpuFile);
     return false;
   }
 
-  char *  line = NULL;
+  char   *line = NULL;
   ssize_t _bytes = taosGetLineFile(pFile, &line);
   if ((_bytes < 0) || (line == NULL)) {
-    //printf("read file:%s failed", tsProcCpuFile);
+    // printf("read file:%s failed", tsProcCpuFile);
     taosCloseFile(&pFile);
     return false;
   }
@@ -486,12 +484,11 @@ static bool taosGetProcCpuInfo(ProcCpuInfo *cpuInfo) {
     }
   }
 
-  if(line != NULL) tfree(line);
+  if (line != NULL) tfree(line);
   taosCloseFile(&pFile);
   return true;
 }
 
-
 int32_t taosGetCpuCores() { return (int32_t)sysconf(_SC_NPROCESSORS_ONLN); }
 
 bool taosGetCpuUsage(float *sysCpuUsage, float *procCpuUsage) {
@@ -550,12 +547,12 @@ bool taosGetCardInfo(int64_t *bytes, int64_t *rbytes, int64_t *tbytes) {
   // FILE *fp = fopen(tsSysNetFile, "r");
   TdFilePtr pFile = taosOpenFile(tsSysNetFile, TD_FILE_READ | TD_FILE_STREAM);
   if (pFile == NULL) {
-    //printf("open file:%s failed", tsSysNetFile);
+    // printf("open file:%s failed", tsSysNetFile);
     return false;
   }
 
   ssize_t _bytes = 0;
-  char *  line = NULL;
+  char   *line = NULL;
 
   while (!taosEOFFile(pFile)) {
     int64_t o_rbytes = 0;
@@ -590,7 +587,7 @@ bool taosGetCardInfo(int64_t *bytes, int64_t *rbytes, int64_t *tbytes) {
     *bytes += (o_rbytes + o_tbytes);
   }
 
-  if(line != NULL) tfree(line);
+  if (line != NULL) tfree(line);
   taosCloseFile(&pFile);
 
   return true;
@@ -636,12 +633,12 @@ bool taosReadProcIO(int64_t *rchars, int64_t *wchars) {
   // FILE *fp = fopen(tsProcIOFile, "r");
   TdFilePtr pFile = taosOpenFile(tsProcIOFile, TD_FILE_READ | TD_FILE_STREAM);
   if (pFile == NULL) {
-    //printf("open file:%s failed", tsProcIOFile);
+    // printf("open file:%s failed", tsProcIOFile);
     return false;
   }
 
   ssize_t _bytes = 0;
-  char *  line = NULL;
+  char   *line = NULL;
   char    tmp[10];
   int     readIndex = 0;
 
@@ -662,11 +659,11 @@ bool taosReadProcIO(int64_t *rchars, int64_t *wchars) {
     if (readIndex >= 2) break;
   }
 
-  if(line != NULL) tfree(line);
+  if (line != NULL) tfree(line);
   taosCloseFile(&pFile);
 
   if (readIndex < 2) {
-    //printf("read file:%s failed", tsProcIOFile);
+    // printf("read file:%s failed", tsProcIOFile);
     return false;
   }
 
@@ -713,12 +710,11 @@ void taosGetSystemInfo() {
   taosGetBandSpeed(&tmp1);
   taosGetCpuUsage(&tmp1, &tmp2);
   taosGetProcIO(&tmp1, &tmp2);
-
 }
 
 void taosKillSystem() {
   // SIGINT
-  //printf("taosd will shut down soon");
+  // printf("taosd will shut down soon");
   kill(tsProcId, 2);
 }
 
@@ -727,22 +723,22 @@ int taosSystem(const char *cmd) {
   int   res;
   char  buf[1024];
   if (cmd == NULL) {
-    //printf("taosSystem cmd is NULL!");
+    // printf("taosSystem cmd is NULL!");
     return -1;
   }
 
   if ((fp = popen(cmd, "r")) == NULL) {
-    //printf("popen cmd:%s error: %s", cmd, strerror(errno));
+    // printf("popen cmd:%s error: %s", cmd, strerror(errno));
     return -1;
   } else {
     while (fgets(buf, sizeof(buf), fp)) {
-      //printf("popen result:%s", buf);
+      // printf("popen result:%s", buf);
     }
 
     if ((res = pclose(fp)) == -1) {
-      //printf("close popen file pointer fp error!");
+      // printf("close popen file pointer fp error!");
     } else {
-      //printf("popen res is :%d", res);
+      // printf("popen res is :%d", res);
     }
 
     return res;
@@ -757,14 +753,14 @@ void taosSetCoreDump(bool enable) {
   struct rlimit rlim_new;
   if (getrlimit(RLIMIT_CORE, &rlim) == 0) {
 #ifndef _ALPINE
-    //printf("the old unlimited para: rlim_cur=%" PRIu64 ", rlim_max=%" PRIu64, rlim.rlim_cur, rlim.rlim_max);
+    // printf("the old unlimited para: rlim_cur=%" PRIu64 ", rlim_max=%" PRIu64, rlim.rlim_cur, rlim.rlim_max);
 #else
-    //printf("the old unlimited para: rlim_cur=%llu, rlim_max=%llu", rlim.rlim_cur, rlim.rlim_max);
+    // printf("the old unlimited para: rlim_cur=%llu, rlim_max=%llu", rlim.rlim_cur, rlim.rlim_max);
 #endif
     rlim_new.rlim_cur = RLIM_INFINITY;
     rlim_new.rlim_max = RLIM_INFINITY;
     if (setrlimit(RLIMIT_CORE, &rlim_new) != 0) {
-      //printf("set unlimited fail, error: %s", strerror(errno));
+      // printf("set unlimited fail, error: %s", strerror(errno));
       rlim_new.rlim_cur = rlim.rlim_max;
       rlim_new.rlim_max = rlim.rlim_max;
       (void)setrlimit(RLIMIT_CORE, &rlim_new);
@@ -773,9 +769,9 @@ void taosSetCoreDump(bool enable) {
 
   if (getrlimit(RLIMIT_CORE, &rlim) == 0) {
 #ifndef _ALPINE
-    //printf("the new unlimited para: rlim_cur=%" PRIu64 ", rlim_max=%" PRIu64, rlim.rlim_cur, rlim.rlim_max);
+    // printf("the new unlimited para: rlim_cur=%" PRIu64 ", rlim_max=%" PRIu64, rlim.rlim_cur, rlim.rlim_max);
 #else
-    //printf("the new unlimited para: rlim_cur=%llu, rlim_max=%llu", rlim.rlim_cur, rlim.rlim_max);
+    // printf("the new unlimited para: rlim_cur=%llu, rlim_max=%llu", rlim.rlim_cur, rlim.rlim_max);
 #endif
   }
 
@@ -801,10 +797,10 @@ void taosSetCoreDump(bool enable) {
   old_len = sizeof(old_usespid);
 
   if (syscall(SYS__sysctl, &args) == -1) {
-    //printf("_sysctl(kern_core_uses_pid) set fail: %s", strerror(errno));
+    // printf("_sysctl(kern_core_uses_pid) set fail: %s", strerror(errno));
   }
 
-  //printf("The old core_uses_pid[%" PRIu64 "]: %d", old_len, old_usespid);
+  // printf("The old core_uses_pid[%" PRIu64 "]: %d", old_len, old_usespid);
 
   old_usespid = 0;
   old_len = 0;
@@ -817,10 +813,10 @@ void taosSetCoreDump(bool enable) {
   old_len = sizeof(old_usespid);
 
   if (syscall(SYS__sysctl, &args) == -1) {
-    //printf("_sysctl(kern_core_uses_pid) get fail: %s", strerror(errno));
+    // printf("_sysctl(kern_core_uses_pid) get fail: %s", strerror(errno));
   }
 
-  //printf("The new core_uses_pid[%" PRIu64 "]: %d", old_len, old_usespid);
+  // printf("The new core_uses_pid[%" PRIu64 "]: %d", old_len, old_usespid);
 #endif
 }
 
@@ -885,7 +881,7 @@ SysNameInfo taosGetSysNameInfo() {
   return info;
 }
 
-bool taosGetEmail(char *email, int32_t maxLen) {
+int32_t taosGetEmail(char *email, int32_t maxLen) {
   const char *filepath = "/usr/local/taos/email";
 
   TdFilePtr pFile = taosOpenFile(filepath, TD_FILE_READ);
@@ -893,17 +889,17 @@ bool taosGetEmail(char *email, int32_t maxLen) {
 
   if (taosReadFile(pFile, (void *)email, maxLen) < 0) {
     taosCloseFile(&pFile);
-    return false;
+    return -1;
   }
 
   taosCloseFile(&pFile);
-  return true;
+  return 0;
 }
 
-bool taosGetOsReleaseName(char *releaseName, int32_t maxLen) {
-  char  *line = NULL;
-  size_t size = 0;
-  bool   ret = false;
+int32_t taosGetOsReleaseName(char *releaseName, int32_t maxLen) {
+  char   *line = NULL;
+  size_t  size = 0;
+  int32_t code = -1;
 
   TdFilePtr pFile = taosOpenFile("/etc/os-release", TD_FILE_READ | TD_FILE_STREAM);
   if (pFile == NULL) return false;
@@ -917,21 +913,21 @@ bool taosGetOsReleaseName(char *releaseName, int32_t maxLen) {
         line[size - 2] = 0;
       }
       tstrncpy(releaseName, p, maxLen);
-      ret = true;
+      code = 0;
       break;
     }
   }
 
   if (line != NULL) free(line);
   taosCloseFile(&pFile);
-  return ret;
+  return code;
 }
 
-bool taosGetCpuInfo(char *cpuModel, int32_t maxLen, int32_t *numOfCores) {
+int32_t taosGetCpuInfo(char *cpuModel, int32_t maxLen, int32_t *numOfCores) {
   char   *line = NULL;
   size_t  size = 0;
   int32_t done = 0;
-  bool    ret = false;
+  int32_t code = -1;
 
   TdFilePtr pFile = taosOpenFile("/proc/cpuinfo", TD_FILE_READ | TD_FILE_STREAM);
   if (pFile == NULL) return false;
@@ -941,7 +937,7 @@ bool taosGetCpuInfo(char *cpuModel, int32_t maxLen, int32_t *numOfCores) {
     if (((done & 1) == 0) && strncmp(line, "model name", 10) == 0) {
       const char *v = strchr(line, ':') + 2;
       tstrncpy(cpuModel, v, maxLen);
-      ret = true;
+      code = 0;
       done |= 1;
     } else if (((done & 2) == 0) && strncmp(line, "cpu cores", 9) == 0) {
       const char *v = strchr(line, ':') + 2;
@@ -953,7 +949,7 @@ bool taosGetCpuInfo(char *cpuModel, int32_t maxLen, int32_t *numOfCores) {
   if (line != NULL) free(line);
   taosCloseFile(&pFile);
 
-  return ret;
+  return code;
 }
 
 bool taosGetTotalSysMemoryKB(uint64_t *kb) {