diff --git a/node/nodem/client/node.go b/node/nodem/client/node.go
index 19b32c725..3d8ffd4fe 100644
--- a/node/nodem/client/node.go
+++ b/node/nodem/client/node.go
@@ -153,6 +153,7 @@ type NodeSystemInfo struct {
 	Architecture string `json:"architecture"`
 
 	MemorySize uint64 `json:"memorySize"`
+	NumCPU     int64  `json:"cpu_num"`
 }
 
 //Decode decode node info
diff --git a/node/nodem/info/info_linux.go b/node/nodem/info/info_linux.go
index 03f6fd684..b9d96bfce 100644
--- a/node/nodem/info/info_linux.go
+++ b/node/nodem/info/info_linux.go
@@ -45,6 +45,7 @@ func GetSystemInfo() (info client.NodeSystemInfo) {
 	}
 	info.OperatingSystem = runtime.GOOS
 	info.MemorySize, _ = getMemory()
+	info.NumCPU = int64(runtime.NumCPU())
 	return info
 }
 
@@ -72,7 +73,7 @@ func getMemory() (total uint64, free uint64) {
 	sysInfo := new(syscall.Sysinfo_t)
 	err := syscall.Sysinfo(sysInfo)
 	if err == nil {
-		return sysInfo.Totalram * uint64(syscall.Getpagesize()), sysInfo.Freeram * uint64(syscall.Getpagesize())
+		return uint64(sysInfo.Totalram) * uint64(sysInfo.Unit), sysInfo.Freeram * uint64(syscall.Getpagesize())
 	}
 	return 0, 0
 }