diff --git a/pkg/common/constants.go b/pkg/common/constants.go
index a1851652c622fb77509d28cbe5db6f43c070bbbe..64dcf10e09ab96f1445d032fd2249c7dedbf0ec3 100644
--- a/pkg/common/constants.go
+++ b/pkg/common/constants.go
@@ -161,6 +161,8 @@ const (
 
 	// GeneralMapSize general map size
 	GeneralMapSize = 8
+	// MapSizeTwo map size two
+	MapSizeTwo = 2
 	// GeneralSubscribeTime general subscribe try time
 	GeneralSubscribeTime = 3
 	// Hex hexadecimal
diff --git a/pkg/device/ascendcommon.go b/pkg/device/ascendcommon.go
index c95bcaa4b0fe2565fead69def2f066f37ac80972..1e7d0a32078fbb484522deef2841c4474f6b1910 100644
--- a/pkg/device/ascendcommon.go
+++ b/pkg/device/ascendcommon.go
@@ -421,7 +421,7 @@ func (tool *AscendTools) groupDevsByStatus(subClassDevices []*common.NpuDevice,
 		sets.String{}, sets.String{}, sets.String{}, sets.String{}
 	deviceFaults := make([]common.DeviceFault, 0, common.GeneralMapSize)
 	for _, device := range subClassDevices {
-		tool.updateDeviceFaults(device, deviceFaults)
+		deviceFaults = append(deviceFaults, tool.getDeviceFaults(device)...)
 		if device.NetworkHealth == v1beta1.Unhealthy {
 			totalNetworkUHDevices.Insert(device.DeviceName)
 		}
@@ -441,6 +441,7 @@ func (tool *AscendTools) groupDevsByStatus(subClassDevices []*common.NpuDevice,
 	hwlog.RunLog.Debugf("total unhealthy devices %#v", totalUHDevices)
 	hwlog.RunLog.Debugf("total network unhealthy devices %#v", totalNetworkUHDevices)
 	hwlog.RunLog.Debugf("total recovering devices %#v", totalRCDevices)
+	hwlog.RunLog.Debugf("device fault list is %#v", deviceFaults)
 	return common.DevStatusSet{
 		HealthDevices:      healthDevice,
 		UnHealthyDevice:    totalUHDevices,
@@ -450,8 +451,9 @@ func (tool *AscendTools) groupDevsByStatus(subClassDevices []*common.NpuDevice,
 	}
 }
 
-// updateDeviceFaults update device fault list
-func (tool *AscendTools) updateDeviceFaults(device *common.NpuDevice, deviceFaults []common.DeviceFault) {
+// getDeviceFaults get device fault list
+func (tool *AscendTools) getDeviceFaults(device *common.NpuDevice) []common.DeviceFault {
+	deviceFaults := make([]common.DeviceFault, 0, common.MapSizeTwo)
 	if len(device.NetworkFaultCodes) != 0 || device.NetworkHealth == v1beta1.Unhealthy {
 		newCode := tool.removeDuplicateErr(append(device.NetworkFaultCodes,
 			common.GetTimeoutFaultCodes(common.NetworkFaultMode)...))
@@ -472,6 +474,7 @@ func (tool *AscendTools) updateDeviceFaults(device *common.NpuDevice, deviceFaul
 			FaultCode: strings.ToUpper(common.Int64Tool.ToHexString(newCode)),
 		})
 	}
+	return deviceFaults
 }
 
 func (tool *AscendTools) removeDuplicateErr(faultCodes []int64) []int64 {