update nil ponit

nm/msg_handler.go

@@ -177,6 +177,9 @@ func (n *NodeManagerHandler) DistributionMsgWorker(nodeManagerMsgChan chan *node
 										HostPort: n.taskMsgWorker.getExternalPort(),
 									}
 									info := getHardwareInfo()
+									if info == nil {
+										continue
+									}
 									gpu := info.GPU
 									isMatch := false
 									for _, gpuInfo := range gpu {
@@ -320,6 +323,9 @@ func (n *NodeManagerHandler) MonitorImageOp(op *nodemanagerV2.ModelOperate) {
 						return
 					}
 					info := getHardwareInfo()
+					if info == nil {
+						continue
+					}
 					memIsChange := false
 					for _, gpuInfo := range info.GPU {
 						if gpuInfo.Seq == model.GpuSeq {

nm/msg_resp.go

@@ -357,6 +357,9 @@ func DelModelRunningResp(params ...interface{}) *nodemanagerV2.WorkerMessage {
 
 func getHardwareInfo() *nodemanagerV2.HardwareInfo {
 	hardwareInfo := utils.GetHardwareInfo(conf.GetConfig().HardwareUrl)
+	if hardwareInfo == nil {
+		return nil
+	}
 	gpusInfo := make([]*nodemanagerV2.GPUInfo, 0)
 	var diskTotal, diskFree int64
 	for _, disk := range hardwareInfo.Data.Disk {