diff --git a/internal/plugins/inputs/hostobject/info.go b/internal/plugins/inputs/hostobject/info.go
index 695d0aa3ff..a69992d907 100644
--- a/internal/plugins/inputs/hostobject/info.go
+++ b/internal/plugins/inputs/hostobject/info.go
@@ -116,6 +116,15 @@ type (
 	}
 )
 
+func (h *HostInfo) getDiskTotal() uint64 {
+	total := uint64(0)
+	for _, disk := range h.Disk {
+		total += disk.Total
+	}
+
+	return total
+}
+
 var collectorStatHist []*io.CollectorStatus
 
 func getHostMeta() (*HostMetaInfo, error) {
diff --git a/internal/plugins/inputs/hostobject/input.go b/internal/plugins/inputs/hostobject/input.go
index 2bcd820e4c..c9109746a0 100644
--- a/internal/plugins/inputs/hostobject/input.go
+++ b/internal/plugins/inputs/hostobject/input.go
@@ -169,20 +169,24 @@ func (ipt *Input) collect() error {
 
 	l.Debugf("messageData len: %d", len(messageData))
 
-	kvs = kvs.Add("message", string(messageData), false, true)
-	kvs = kvs.Add("start_time", message.Host.HostMeta.BootTime*1000, false, true)
-	kvs = kvs.Add("datakit_ver", datakit.Version, false, true)
-	kvs = kvs.Add("cpu_usage", message.Host.cpuPercent, false, true)
-	kvs = kvs.Add("mem_used_percent", message.Host.Mem.usedPercent, false, true)
-	kvs = kvs.Add("load", message.Host.load5, false, true)
-	kvs = kvs.Add("disk_used_percent", message.Host.diskUsedPercent, false, true)
-	kvs = kvs.Add("diskio_read_bytes_per_sec", message.Host.diskIOReadBytesPerSec, false, true)
-	kvs = kvs.Add("diskio_write_bytes_per_sec", message.Host.diskIOWriteBytesPerSec, false, true)
-	kvs = kvs.Add("net_recv_bytes_per_sec", message.Host.netRecvBytesPerSec, false, true)
-	kvs = kvs.Add("net_send_bytes_per_sec", message.Host.netSendBytesPerSec, false, true)
-	kvs = kvs.Add("logging_level", message.Host.loggingLevel, false, true)
-	kvs = kvs.Add("name", message.Host.HostMeta.HostName, true, true)
-	kvs = kvs.Add("os", message.Host.HostMeta.OS, true, true)
+	kvs = kvs.Add("message", string(messageData), false, true).
+		Add("start_time", message.Host.HostMeta.BootTime*1000, false, true).
+		Add("datakit_ver", datakit.Version, false, true).
+		Add("cpu_usage", message.Host.cpuPercent, false, true).
+		Add("mem_used_percent", message.Host.Mem.usedPercent, false, true).
+		Add("load", message.Host.load5, false, true).
+		Add("disk_used_percent", message.Host.diskUsedPercent, false, true).
+		Add("diskio_read_bytes_per_sec", message.Host.diskIOReadBytesPerSec, false, true).
+		Add("diskio_write_bytes_per_sec", message.Host.diskIOWriteBytesPerSec, false, true).
+		Add("net_recv_bytes_per_sec", message.Host.netRecvBytesPerSec, false, true).
+		Add("net_send_bytes_per_sec", message.Host.netSendBytesPerSec, false, true).
+		Add("logging_level", message.Host.loggingLevel, false, true).
+		AddTag("name", message.Host.HostMeta.HostName).
+		AddTag("os", message.Host.HostMeta.OS).
+		Add("num_cpu", len(message.Host.CPU), false, false).
+		AddTag("unicast_ip", message.Config.IP).
+		Add("disk_total", message.Host.getDiskTotal(), false, true).
+		AddTag("arch", message.Host.HostMeta.Arch)
 
 	if !datakit.IsTestMode {
 		kvs = kvs.Add("Scheck", message.Collectors[0].Version, false, true)
diff --git a/internal/plugins/inputs/hostobject/measurement.go b/internal/plugins/inputs/hostobject/measurement.go
index fa973e225b..657e57f65d 100644
--- a/internal/plugins/inputs/hostobject/measurement.go
+++ b/internal/plugins/inputs/hostobject/measurement.go
@@ -18,17 +18,21 @@ func (*docMeasurement) Info() *inputs.MeasurementInfo {
 		Type: "object",
 		Desc: "Host object metrics",
 		Tags: map[string]interface{}{
-			"host": &inputs.TagInfo{Desc: "Hostname. Required."},
-			"name": &inputs.TagInfo{Desc: "Hostname"},
-			"os":   &inputs.TagInfo{Desc: "Host OS type"},
+			"host":       &inputs.TagInfo{Desc: "Hostname. Required."},
+			"unicast_ip": &inputs.TagInfo{Desc: "Host unicast ip"},
+			"name":       &inputs.TagInfo{Desc: "Hostname"},
+			"os":         &inputs.TagInfo{Desc: "Host OS type"},
+			"arch":       &inputs.TagInfo{Desc: "Host OS Arch"},
 		},
 		Fields: map[string]interface{}{
 			"message":                    &inputs.FieldInfo{DataType: inputs.String, Unit: inputs.UnknownUnit, Desc: "Summary of all host information"},
 			"start_time":                 &inputs.FieldInfo{DataType: inputs.Int, Unit: inputs.DurationMS, Desc: "Host startup time (Unix timestamp)"},
 			"datakit_ver":                &inputs.FieldInfo{DataType: inputs.String, Unit: inputs.UnknownUnit, Desc: "Collector version"},
 			"cpu_usage":                  &inputs.FieldInfo{Type: inputs.Gauge, DataType: inputs.Float, Unit: inputs.Percent, Desc: "CPU usage"},
+			"num_cpu":                    &inputs.FieldInfo{Type: inputs.Gauge, DataType: inputs.Int, Unit: inputs.NCount, Desc: "CPU numbers"},
 			"mem_used_percent":           &inputs.FieldInfo{Type: inputs.Gauge, DataType: inputs.Float, Unit: inputs.Percent, Desc: "Memory usage"},
 			"load":                       &inputs.FieldInfo{Type: inputs.Gauge, DataType: inputs.Float, Unit: inputs.UnknownUnit, Desc: "System load"},
+			"disk_total":                 &inputs.FieldInfo{Type: inputs.Gauge, DataType: inputs.Int, Unit: inputs.SizeByte, Desc: "Disk total"},
 			"disk_used_percent":          &inputs.FieldInfo{Type: inputs.Gauge, DataType: inputs.Float, Unit: inputs.Percent, Desc: "Disk usage"},
 			"diskio_read_bytes_per_sec":  &inputs.FieldInfo{Type: inputs.Gauge, DataType: inputs.Int, Unit: inputs.BytesPerSec, Desc: "Disk read rate"},
 			"diskio_write_bytes_per_sec": &inputs.FieldInfo{Type: inputs.Gauge, DataType: inputs.Int, Unit: inputs.BytesPerSec, Desc: "Disk write rate"},