diff --git a/include/libs/monitor/monitor.h b/include/libs/monitor/monitor.h
index 0041f3ac5fdb42ad7ac9337e32be265fa8a541ac..19b4ad6dc6be6bed751c5a2fc61f15b663e0cb17 100644
--- a/include/libs/monitor/monitor.h
+++ b/include/libs/monitor/monitor.h
@@ -92,11 +92,11 @@ typedef struct {
   int64_t mem_engine;     // KB
   int64_t mem_system;     // KB
   int64_t mem_total;      // KB
-  float   disk_engine;    // GB
-  float   disk_used;      // GB
-  float   disk_total;     // GB
-  int64_t net_in;
-  int64_t net_out;
+  int64_t disk_engine;    // Byte
+  int64_t disk_used;      // Byte
+  int64_t disk_total;     // Byte
+  int64_t net_in;         // Byte
+  int64_t net_out;        // Byte
   float   io_read;
   float   io_write;
   float   io_read_disk;
diff --git a/include/os/osSysinfo.h b/include/os/osSysinfo.h
index e14dba8269c7ddd8573f5a43e4dad29da23f1665..da0a801290d67420cb3669847325585df6540d5b 100644
--- a/include/os/osSysinfo.h
+++ b/include/os/osSysinfo.h
@@ -43,8 +43,8 @@ int32_t taosGetTotalMemory(int64_t *totalKB);
 int32_t taosGetProcMemory(int64_t *usedKB);
 int32_t taosGetSysMemory(int64_t *usedKB);
 int32_t taosGetDiskSize(char *dataDir, SDiskSize *diskSize);
-int32_t taosReadProcIO(int64_t *rchars, int64_t *wchars);
-int32_t taosGetProcIO(float *readKB, float *writeKB);
+int32_t taosReadProcIO(int64_t *rchars, int64_t *wchars, int64_t *read_bytes, int64_t *write_bytes);
+int32_t taosGetProcIOSpeed(float *readKB, float *writeKB, float *readDiskKB, float *writeDiskKB);
 int32_t taosGetCardInfo(int64_t *bytes, int64_t *rbytes, int64_t *tbytes);
 int32_t taosGetBandSpeed(float *bandSpeedKb);
 
diff --git a/source/dnode/mgmt/impl/inc/dndEnv.h b/source/dnode/mgmt/impl/inc/dndEnv.h
index efe54ee1e592a0d4f7d582088b4b4a08086ff96d..b9acbea02f14515d93ecb753821d03b9928401da 100644
--- a/source/dnode/mgmt/impl/inc/dndEnv.h
+++ b/source/dnode/mgmt/impl/inc/dndEnv.h
@@ -108,6 +108,7 @@ typedef struct {
   SHashObj    *hash;
   int32_t      openVnodes;
   int32_t      totalVnodes;
+  int32_t      masterNum;
   SRWLatch     latch;
   SQWorkerPool queryPool;
   SFWorkerPool fetchPool;
diff --git a/source/dnode/mgmt/impl/src/dndMgmt.c b/source/dnode/mgmt/impl/src/dndMgmt.c
index 60cfdc299c21ce25f574162b06730bc61e2207a9..0a3a39e830197a5a920dbe0dc1da15959179e849 100644
--- a/source/dnode/mgmt/impl/src/dndMgmt.c
+++ b/source/dnode/mgmt/impl/src/dndMgmt.c
@@ -487,12 +487,10 @@ static void dndGetMonitorDnodeInfo(SDnode *pDnode, SMonDnodeInfo *pInfo) {
   taosGetSysMemory(&pInfo->mem_system);
   pInfo->mem_total = tsTotalMemoryKB;
   pInfo->disk_engine = 0;
-  pInfo->disk_used = tsDataSpace.size.used / (1024 * 1024 * 1024.0);
-  pInfo->disk_total = tsDataSpace.size.avail / (1024 * 1024 * 1024.0);
+  pInfo->disk_used = tsDataSpace.size.used;
+  pInfo->disk_total = tsDataSpace.size.avail;
   taosGetCardInfo(NULL, &pInfo->net_in, &pInfo->net_out);
-  taosGetProcIO(&pInfo->io_read, &pInfo->io_write);
-  pInfo->io_read_disk = 0;
-  pInfo->io_write_disk = 0;
+  taosGetProcIOSpeed(&pInfo->io_read, &pInfo->io_write, &pInfo->io_read_disk, &pInfo->io_write_disk);
   pInfo->req_select = 0;
   pInfo->req_select_rate = 0;
   pInfo->req_insert = 0;
@@ -501,9 +499,9 @@ static void dndGetMonitorDnodeInfo(SDnode *pDnode, SMonDnodeInfo *pInfo) {
   pInfo->req_insert_batch = 0;
   pInfo->req_insert_batch_success = 0;
   pInfo->req_insert_batch_rate = 0;
-  pInfo->errors = 0;
-  pInfo->vnodes_num = 0;
-  pInfo->masters = 0;
+  pInfo->errors = tsNumOfErrorLogs;
+  pInfo->vnodes_num = pDnode->vmgmt.totalVnodes;
+  pInfo->masters = pDnode->vmgmt.masterNum;
   pInfo->has_mnode = dndIsMnode(pDnode);
 }
 
diff --git a/source/dnode/mgmt/impl/src/dndVnodes.c b/source/dnode/mgmt/impl/src/dndVnodes.c
index 1c7bac4b6b4754821f2ecb11fd238dc99d97e772..28bc615abab0562dab86301977b6dc5c55f2601f 100644
--- a/source/dnode/mgmt/impl/src/dndVnodes.c
+++ b/source/dnode/mgmt/impl/src/dndVnodes.c
@@ -17,6 +17,7 @@
 #include "dndVnodes.h"
 #include "dndMgmt.h"
 #include "dndTransport.h"
+#include "sync.h"
 
 typedef struct {
   int32_t  vgId;
@@ -979,6 +980,8 @@ void dndCleanupVnodes(SDnode *pDnode) {
 
 void dndGetVnodeLoads(SDnode *pDnode, SArray *pLoads) {
   SVnodesMgmt *pMgmt = &pDnode->vmgmt;
+  int32_t      totalVnodes = 0;
+  int32_t      masterNum = 0;
 
   taosRLockLatch(&pMgmt->latch);
 
@@ -993,8 +996,12 @@ void dndGetVnodeLoads(SDnode *pDnode, SArray *pLoads) {
     vnodeGetLoad(pVnode->pImpl, &vload);
     taosArrayPush(pLoads, &vload);
 
+    totalVnodes++;
+    if (vload.role == TAOS_SYNC_STATE_LEADER) masterNum++;
     pIter = taosHashIterate(pMgmt->hash, pIter);
   }
 
   taosRUnLockLatch(&pMgmt->latch);
+  pMgmt->totalVnodes = totalVnodes;
+  pMgmt->masterNum = masterNum;
 }
diff --git a/source/os/src/osSysinfo.c b/source/os/src/osSysinfo.c
index 12952141a4f58f5fd7bb5b6de05d9fd6c51f295e..73b64b5319cb335743e330f6edd5df48d7175eb9 100644
--- a/source/os/src/osSysinfo.c
+++ b/source/os/src/osSysinfo.c
@@ -124,52 +124,26 @@ int32_t taosGetBandSpeed(float *bandSpeedKb) {
   return 0;
 }
 
-int32_t taosReadProcIO(int64_t *readbyte, int64_t *writebyte) {
+int32_t taosReadProcIO(int64_t *rchars, int64_t *wchars, int64_t *read_bytes, int64_t *write_bytes) {
   IO_COUNTERS io_counter;
   if (GetProcessIoCounters(GetCurrentProcess(), &io_counter)) {
-    if (readbyte) *readbyte = io_counter.ReadTransferCount;
-    if (writebyte) *writebyte = io_counter.WriteTransferCount;
+    if (rchars) *rchars = io_counter.ReadTransferCount;
+    if (wchars) *wchars = io_counter.WriteTransferCount;
+    if (read_bytes) *read_bytes = 0;
+    if (write_bytes) *write_bytes = 0;
     return 0;
   }
   return -1;
 }
 
-int32_t taosGetProcIO(float *readKB, float *writeKB) {
-  static int64_t lastReadbyte = -1;
-  static int64_t lastWritebyte = -1;
-
-  int64_t curReadbyte = 0;
-  int64_t curWritebyte = 0;
-
-  if (taosReadProcIO(&curReadbyte, &curWritebyte) != 0) {
-    return -1;
-  }
-
-  if (lastReadbyte == -1 || lastWritebyte == -1) {
-    lastReadbyte = curReadbyte;
-    lastWritebyte = curWritebyte;
-    return -1;
-  }
-
-  *readKB = (float)((double)(curReadbyte - lastReadbyte) / 1024);
-  *writeKB = (float)((double)(curWritebyte - lastWritebyte) / 1024);
-  if (*readKB < 0) *readKB = 0;
-  if (*writeKB < 0) *writeKB = 0;
-
-  lastReadbyte = curReadbyte;
-  lastWritebyte = curWritebyte;
-
-  return 0;
-}
-
 void taosGetSystemInfo() {
   taosGetCpuCores(&tsNumOfCores);
   taosGetTotalMemory(&tsTotalMemoryKB);
 
-  float tmp1, tmp2;
+  float tmp1, tmp2, tmp3, tmp4;
   taosGetBandSpeed(&tmp1);
   taosGetCpuUsage(&tmp1, &tmp2);
-  taosGetProcIO(&tmp1, &tmp2);
+  taosGetProcIOSpeed(&tmp1, &tmp2, &tmp3, &tmp4);
 }
 
 void taosKillSystem() {
@@ -259,15 +233,11 @@ void taosGetSystemInfo() {
   tsNumOfCores = sysconf(_SC_NPROCESSORS_ONLN);
 }
 
-int32_t taosReadProcIO(int64_t *rchars, int64_t *wchars) {
+int32_t taosReadProcIO(int64_t *rchars, int64_t *wchars, int64_t *read_bytes, int64_t *write_bytes) {
   if (rchars) *rchars = 0;
   if (wchars) *wchars = 0;
-  return 0;
-}
-
-int32_t taosGetProcIO(float *readKB, float *writeKB) {
-  *readKB = 0;
-  *writeKB = 0;
+  if (read_bytes) *read_bytes = 0;
+  if (write_bytes) *write_bytes = 0;
   return 0;
 }
 
@@ -631,8 +601,7 @@ int32_t taosGetBandSpeed(float *bandSpeedKb) {
   return 0;
 }
 
-int32_t taosReadProcIO(int64_t *rchars, int64_t *wchars) {
-  // FILE *fp = fopen(tsProcIOFile, "r");
+int32_t taosReadProcIO(int64_t *rchars, int64_t *wchars, int64_t *read_bytes, int64_t *write_bytes) {
   TdFilePtr pFile = taosOpenFile(tsProcIOFile, TD_FILE_READ | TD_FILE_STREAM);
   if (pFile == NULL) {
     // printf("open file:%s failed", tsProcIOFile);
@@ -655,16 +624,22 @@ int32_t taosReadProcIO(int64_t *rchars, int64_t *wchars) {
     } else if (strstr(line, "wchar:") != NULL) {
       sscanf(line, "%s %" PRId64, tmp, wchars);
       readIndex++;
-    } else {
+    } if (strstr(line, "read_bytes:") != NULL) {
+      sscanf(line, "%s %" PRId64, tmp, read_bytes);
+      readIndex++;
+    } else if (strstr(line, "write_bytes::") != NULL) {
+      sscanf(line, "%s %" PRId64, tmp, write_bytes);
+      readIndex++;
+    }else {
     }
 
-    if (readIndex >= 2) break;
+    if (readIndex >= 4) break;
   }
 
   if (line != NULL) tfree(line);
   taosCloseFile(&pFile);
 
-  if (readIndex < 2) {
+  if (readIndex < 4) {
     // printf("read file:%s failed", tsProcIOFile);
     return -1;
   }
@@ -672,30 +647,43 @@ int32_t taosReadProcIO(int64_t *rchars, int64_t *wchars) {
   return 0;
 }
 
-int32_t taosGetProcIO(float *readKB, float *writeKB) {
-  static int64_t lastReadbyte = -1;
-  static int64_t lastWritebyte = -1;
+int32_t taosGetProcIOSpeed(float *readKB, float *writeKB, float *readDiskKB, float *writeDiskKB) {
+  static int64_t lastRchar = -1;
+  static int64_t lastWchar = -1;
+  static int64_t lastRbyte = -1;
+  static int64_t lastWbyte = -1;
 
-  int64_t curReadbyte = 0;
-  int64_t curWritebyte = 0;
+  int64_t curRchar = 0;
+  int64_t curWchar = 0;
+  int64_t curRbyte = 0;
+  int64_t curWbyte = 0;
 
-  if (taosReadProcIO(&curReadbyte, &curWritebyte) != 0) {
+  if (taosReadProcIO(&curRchar, &curWchar, &curRbyte, &curWbyte) != 0) {
     return -1;
   }
 
-  if (lastReadbyte == -1 || lastWritebyte == -1) {
-    lastReadbyte = curReadbyte;
-    lastWritebyte = curWritebyte;
+  if (lastRchar == -1 || lastWchar == -1 || lastRbyte == -1 || lastWbyte == -1) {
+    lastRchar = curRchar;
+    lastWchar = curWchar;
+    lastRbyte = curRbyte;
+    lastWbyte = curWbyte;
     return -1;
   }
 
-  *readKB = (float)((double)(curReadbyte - lastReadbyte) / 1024);
-  *writeKB = (float)((double)(curWritebyte - lastWritebyte) / 1024);
+  *readKB = (curRchar - lastRchar) / 1024.0f;
+  *writeKB = (curWchar - lastWchar) / 1024.0f;
+  *readDiskKB = (curRbyte - lastRbyte) / 1024.0f;
+  *writeDiskKB = (curWbyte - lastWbyte) / 1024.0f;
+
   if (*readKB < 0) *readKB = 0;
   if (*writeKB < 0) *writeKB = 0;
+  if (*readDiskKB < 0) *readDiskKB = 0;
+  if (*writeDiskKB < 0) *writeDiskKB = 0;
 
-  lastReadbyte = curReadbyte;
-  lastWritebyte = curWritebyte;
+  lastRchar = curRchar;
+  lastWchar = curWchar;
+  lastRbyte = curRbyte;
+  lastWbyte = curWbyte;
 
   return 0;
 }
@@ -705,10 +693,10 @@ void taosGetSystemInfo() {
   taosGetCpuCores(&tsNumOfCores);
   taosGetTotalMemory(&tsTotalMemoryKB);
 
-  float tmp1, tmp2;
+  float tmp1, tmp2, tmp3, tmp4;
   taosGetBandSpeed(&tmp1);
   taosGetCpuUsage(&tmp1, &tmp2);
-  taosGetProcIO(&tmp1, &tmp2);
+  taosGetProcIOSpeed(&tmp1, &tmp2, &tmp3, &tmp4);
 }
 
 void taosKillSystem() {