diff --git a/cmii-uav-watchdog-agent/cmd/watchdog-agent.go b/cmii-uav-watchdog-agent/cmd/watchdog-agent.go
index 4ef89e4..7c185b4 100644
--- a/cmii-uav-watchdog-agent/cmd/watchdog-agent.go
+++ b/cmii-uav-watchdog-agent/cmd/watchdog-agent.go
@@ -1,8 +1,8 @@
 package cmd
 
 import (
+	"cmii-uav-watchdog-agent/host_info"
 	"cmii-uav-watchdog-agent/rpc"
-	"cmii-uav-watchdog-agent/services"
 	"cmii-uav-watchdog-agent/totp"
 	"cmii-uav-watchdog-common/models"
 	"fmt"
diff --git a/cmii-uav-watchdog-agent/host_info/cpu_service.go b/cmii-uav-watchdog-agent/host_info/cpu_service.go
index d403419..2ae2348 100644
--- a/cmii-uav-watchdog-agent/host_info/cpu_service.go
+++ b/cmii-uav-watchdog-agent/host_info/cpu_service.go
@@ -14,26 +14,106 @@ func NewCPUInfo() models.CPUInfo {
 		ModelName:    "unknown",
 		Cores:        0,
 		Architecture: "unknown",
+		UUID:         "unknown",
 	}
 }
 
+const (
+	exePath        = "/proc/self/exe"
+	elfMagic       = 0x7f
+	elfMagicString = "ELF"
+	eMachineOffset = 18
+)
+
 // parseLine 解析单行 CPU 信息
 func parseLine(line string, cpuInfo *models.CPUInfo) {
 	if strings.HasPrefix(line, "model name") {
 		cpuInfo.ModelName = strings.TrimSpace(strings.Split(line, ":")[1])
-	} else if strings.HasPrefix(line, "cpu cores") {
-		if _, err := fmt.Sscanf(line, "cpu cores\t: %d", &cpuInfo.Cores); err != nil {
-			fmt.Println("Error parsing cpu cores:", err)
-		}
-	} else if strings.HasPrefix(line, "Architecture") {
-		cpuInfo.Architecture = strings.TrimSpace(strings.Split(line, ":")[1])
 	}
 }
 
-// getCPUInfo 获取 CPU 信息
+// getCPUCores 通过 processor 行获取 CPU 核心数
+func getCPUCores() (int, error) {
+	cores := 0
+	file, err := os.Open("/proc/cpuinfo")
+	if err != nil {
+		return cores, err
+	}
+	defer file.Close()
+
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		line := scanner.Text()
+		if strings.HasPrefix(line, "processor") {
+			cores++
+		}
+	}
+
+	if err := scanner.Err(); err != nil {
+		return cores, err
+	}
+
+	return cores, nil
+}
+
+// getCPUUUID 获取 CPU UUID
+func getCPUUUID() (string, error) {
+	data, err := os.ReadFile("/sys/class/dmi/id/product_uuid")
+	if err != nil {
+		return "unknown", err
+	}
+	return strings.TrimSpace(string(data)), nil
+}
+
+func getCPUArchitecture() string {
+	cpuarch := "unknown"
+
+	// 打开当前进程的执行文件
+	file, err := os.Open(exePath)
+	if err != nil {
+		_, _ = fmt.Fprintf(os.Stderr, "Error opening %s: %v\n", exePath, err)
+		return cpuarch
+	}
+	defer file.Close()
+
+	// 读取前64个字节以获取 ELF 头部信息
+	header := make([]byte, 64)
+	if _, err := file.Read(header); err != nil {
+		_, _ = fmt.Fprintf(os.Stderr, "Error reading header: %v\n", err)
+		return cpuarch
+	}
+
+	// 检查 ELF 文件标识
+	if header[0] != elfMagic || string(header[1:4]) != elfMagicString {
+		_, _ = fmt.Fprintln(os.Stderr, "File is not an ELF file")
+		return cpuarch
+	}
+
+	// 获取架构信息
+	arch := header[eMachineOffset] // e_machine 字段的偏移量
+	switch arch {
+	case 0x02: // EM_386
+		cpuarch = "x86(32-bit)"
+	case 0x03: // EM_X86_64
+		cpuarch = "x86_64(64-bit)"
+	case 0x28: // EM_ARM
+		cpuarch = "ARM"
+	case 0x2A: // EM_ARM64
+		cpuarch = "ARM64"
+	case 0x08: // EM_MIPS
+		cpuarch = "MIPS"
+	default:
+		cpuarch = "unknown architecture"
+	}
+
+	return cpuarch
+}
+
+// GetCPUInfo 获取 CPU 信息
 func GetCPUInfo() models.CPUInfo {
 	cpuInfo := NewCPUInfo()
 
+	// 读取 /proc/cpuinfo
 	file, err := os.Open("/proc/cpuinfo")
 	if err != nil {
 		fmt.Println("Error opening /proc/cpuinfo:", err)
@@ -54,6 +134,24 @@ func GetCPUInfo() models.CPUInfo {
 		return cpuInfo // 返回默认值
 	}
 
+	// 获取 CPU 核心数
+	cores, err := getCPUCores()
+	if err != nil {
+		fmt.Println("Error getting CPU cores:", err)
+	} else {
+		cpuInfo.Cores = cores
+	}
+
+	// 获取 CPU UUID
+	uuid, err := getCPUUUID()
+	if err != nil {
+		fmt.Println("Error getting CPU UUID:", err)
+	} else {
+		cpuInfo.UUID = uuid
+	}
+
+	cpuInfo.Architecture = getCPUArchitecture()
+
 	return cpuInfo
 }
 
diff --git a/cmii-uav-watchdog-agent/host_info/host_info.go b/cmii-uav-watchdog-agent/host_info/host_info.go
index de7e546..b758318 100644
--- a/cmii-uav-watchdog-agent/host_info/host_info.go
+++ b/cmii-uav-watchdog-agent/host_info/host_info.go
@@ -3,11 +3,11 @@ package services
 import "cmii-uav-watchdog-common/models"
 
 type Data struct {
-	CPUInfo         models.CPUInfo                `json:"cpu_info"`
-	DiskInfo        []models.DiskInfo             `json:"disk_info"`
-	MemoryInfo      models.MemoryInfo             `json:"memory_info"`
-	NetInfo         []models.NetworkInterfaceInfo `json:"net_info"`
-	MotherboardInfo models.MotherboardInfo        `json:"motherboard_info"`
+	SystemInfo models.SystemInfo             `json:"system_info"`
+	CPUInfo    models.CPUInfo                `json:"cpu_info"`
+	DiskInfo   []models.DiskInfo             `json:"disk_info"`
+	MemoryInfo models.MemoryInfo             `json:"memory_info"`
+	NetInfo    []models.NetworkInterfaceInfo `json:"net_info"`
 }
 
 /*
@@ -16,11 +16,11 @@ type Data struct {
 func GetAllInfo() Data {
 
 	data := Data{
-		CPUInfo:         GetCPUInfo(),
-		DiskInfo:        GetDiskInfo(),
-		MemoryInfo:      GetMemoryInfo(),
-		NetInfo:         GetNetworkInterfaces(),
-		MotherboardInfo: GetMotherboardInfo(),
+		SystemInfo: GetSystemInfo(),
+		CPUInfo:    GetCPUInfo(),
+		DiskInfo:   GetDiskInfo(),
+		MemoryInfo: GetMemoryInfo(),
+		NetInfo:    GetNetworkInterfaces(),
 	}
 
 	return data
diff --git a/cmii-uav-watchdog-agent/host_info/mem_service.go b/cmii-uav-watchdog-agent/host_info/mem_service.go
index 2c59821..73bf0f9 100644
--- a/cmii-uav-watchdog-agent/host_info/mem_service.go
+++ b/cmii-uav-watchdog-agent/host_info/mem_service.go
@@ -14,6 +14,10 @@ func NewMemoryInfo() models.MemoryInfo {
 		Total:     0,
 		Free:      0,
 		Available: 0,
+		Used:      0,
+		Buffers:   0,
+		Cached:    0,
+		Shared:    0,
 	}
 }
 
@@ -46,9 +50,18 @@ func GetMemoryInfo() models.MemoryInfo {
 			memInfo.Free = value
 		case "MemAvailable:":
 			memInfo.Available = value
+		case "Buffers:":
+			memInfo.Buffers = value // 存储 Buffers 值
+		case "Cached:":
+			memInfo.Cached = value // 存储 Cached 值
+		case "Shmem:":
+			memInfo.Shared = value // 存储 Shared 值
 		}
 	}
 
+	// 计算已用内存
+	memInfo.Used = memInfo.Total - memInfo.Free - memInfo.Buffers - memInfo.Cached - memInfo.Shared
+
 	return memInfo
 }
 
diff --git a/cmii-uav-watchdog-agent/host_info/system_service.go b/cmii-uav-watchdog-agent/host_info/system_service.go
new file mode 100644
index 0000000..2ac613a
--- /dev/null
+++ b/cmii-uav-watchdog-agent/host_info/system_service.go
@@ -0,0 +1,123 @@
+package services
+
+import (
+	"cmii-uav-watchdog-common/models"
+	"log"
+	"os"
+	"strings"
+)
+
+// NewOSInfo 创建并返回一个 OSInfo 实例，设置默认值
+func NewOSInfo() models.OSInfo {
+	return models.OSInfo{
+		Name:         "unknown",
+		Version:      "unknown",
+		ID:           "unknown",
+		IDLike:       "unknown",
+		VersionID:    "unknown",
+		PrettyName:   "unknown",
+		HomeURL:      "unknown",
+		SupportURL:   "unknown",
+		BugReportURL: "unknown",
+		PrivacyURL:   "unknown",
+	}
+}
+
+// NewSystemInfo 创建并返回一个 SystemInfo 实例，设置默认值
+func NewSystemInfo() models.SystemInfo {
+	return models.SystemInfo{
+		MachineID:     "unknown",
+		OS:            NewOSInfo(),
+		KernelVersion: "unknown",
+	}
+}
+
+// GetSystemInfo 获取 Linux 系统信息
+func GetSystemInfo() models.SystemInfo {
+	sysInfo := NewSystemInfo() // 初始化结构体
+
+	// 获取机器 ID
+	machineID := getMachineID()
+	if machineID != "" {
+		sysInfo.MachineID = machineID
+	}
+	// 获取操作系统版本
+	sysInfo.OS = getOSVersion()
+
+	// 获取内核版本
+	kernelVersion := getKernelVersion()
+	if kernelVersion != "" {
+		sysInfo.KernelVersion = kernelVersion
+	}
+
+	return sysInfo
+}
+func getOSVersion() models.OSInfo {
+	data, err := os.ReadFile("/etc/os-release")
+	if err != nil {
+		log.Printf("Error reading /etc/os-release: %v", err)
+		return NewOSInfo() // 返回默认值
+	}
+
+	osInfo := NewOSInfo() // 初始化 OSInfo 结构体
+	lines := strings.Split(string(data), "\n")
+
+	for _, line := range lines {
+		line = strings.TrimSpace(line)
+		if line == "" {
+			continue
+		}
+		parts := strings.SplitN(line, "=", 2)
+		if len(parts) != 2 {
+			continue
+		}
+		key := strings.Trim(parts[0], `"`)
+		value := strings.Trim(parts[1], `"`)
+
+		// 解析不同的字段
+		switch key {
+		case "NAME":
+			osInfo.Name = value
+		case "VERSION":
+			osInfo.Version = value
+		case "ID":
+			osInfo.ID = value
+		case "ID_LIKE":
+			osInfo.IDLike = value
+		case "VERSION_ID":
+			osInfo.VersionID = value
+		case "PRETTY_NAME":
+			osInfo.PrettyName = value
+		case "HOME_URL":
+			osInfo.HomeURL = value
+		case "SUPPORT_URL":
+			osInfo.SupportURL = value
+		case "BUG_REPORT_URL":
+			osInfo.BugReportURL = value
+		case "PRIVACY_URL":
+			osInfo.PrivacyURL = value
+		}
+	}
+
+	return osInfo
+}
+
+// getMachineID 从 /etc/machine-id 文件中获取机器 ID
+func getMachineID() string {
+	data, err := os.ReadFile("/etc/machine-id")
+	if err != nil {
+		log.Printf("Error reading /etc/machine-id: %v", err)
+		return ""
+	}
+	return strings.TrimSpace(string(data)) // 去除多余空格
+}
+
+// getKernelVersion 获取内核版本
+func getKernelVersion() string {
+	data, err := os.ReadFile("/proc/version")
+	if err != nil {
+		log.Printf("Error reading /proc/version: %v", err)
+		return ""
+	}
+	return string(data)
+}
diff --git a/cmii-uav-watchdog-agent/main.go b/cmii-uav-watchdog-agent/main.go
index 75a6a81..458a1ce 100644
--- a/cmii-uav-watchdog-agent/main.go
+++ b/cmii-uav-watchdog-agent/main.go
@@ -1,7 +1,7 @@
 package main
 
 import (
-	"cmii-uav-watchdog-agent/services"
+	"cmii-uav-watchdog-agent/host_info"
 	"fmt"
 	"github.com/gin-gonic/gin"
 	"net/http"
diff --git a/cmii-uav-watchdog-common/models/in_project_model.go b/cmii-uav-watchdog-common/models/in_project_model.go
index c8ff900..93e2d85 100644
--- a/cmii-uav-watchdog-common/models/in_project_model.go
+++ b/cmii-uav-watchdog-common/models/in_project_model.go
@@ -5,6 +5,7 @@ type CPUInfo struct {
 	ModelName    string `json:"model_name"`
 	Cores        int    `json:"cores"`
 	Architecture string `json:"architecture"`
+	UUID         string `json:"uuid"`
 }
 
 // MemoryInfo holds the memory information.
@@ -12,18 +13,22 @@ type MemoryInfo struct {
 	Total     uint64 `json:"total"`
 	Free      uint64 `json:"free"`
 	Available uint64 `json:"available"`
+	Used      uint64 `json:"used"`    // 已用内存
+	Buffers   uint64 `json:"buffers"` // 缓冲区内存
+	Cached    uint64 `json:"cached"`  // 缓存内存
+	Shared    uint64 `json:"shared"`  // 共享内存
 }
 
 // DiskInfo holds the disk information similar to df -Th output.
 type DiskInfo struct {
-	Device         string `json:"device"`          // 逻辑分区设备名称
-	Filesystem     string `json:"filesystem"`      // 逻辑分区
-	Type           string `json:"type"`            // 文件系统类型
-	Size           uint64 `json:"size"`            // 总大小
-	Used           uint64 `json:"used"`            // 已用空间
-	Available      uint64 `json:"available"`       // 可用空间
-	UsePercent     string `json:"use_percent"`     // 使用百分比
-	MountPoint     string `json:"mountpoint"`      // 挂载点
+	Device         string `json:"device"`      // 逻辑分区设备名称
+	Filesystem     string `json:"filesystem"`  // 逻辑分区
+	Type           string `json:"type"`        // 文件系统类型
+	Size           uint64 `json:"size"`        // 总大小
+	Used           uint64 `json:"used"`        // 已用空间
+	Available      uint64 `json:"available"`   // 可用空间
+	UsePercent     string `json:"use_percent"` // 使用百分比
+	MountPoint     string `json:"mount_point"`
 	PhysicalDevice string `json:"physical_device"` // 物理设备名称
 	PhysicalSize   uint64 `json:"physical_size"`   // 物理盘大小
 }
@@ -43,8 +48,28 @@ type MotherboardInfo struct {
 	Serial       string `json:"serial"`
 }
 
+type SystemInfo struct {
+	MachineID     string `json:"machine_id"`     // 唯一标识符
+	OS            OSInfo `json:"os"`             // 操作系统
+	KernelVersion string `json:"kernel_version"` // 内核版本
+}
+
+type OSInfo struct {
+	Name         string `json:"name"`
+	Version      string `json:"version"`
+	ID           string `json:"id"`
+	IDLike       string `json:"id_like"`
+	VersionID    string `json:"version_id"`
+	PrettyName   string `json:"pretty_name"`
+	HomeURL      string `json:"home_url"`
+	SupportURL   string `json:"support_url"`
+	BugReportURL string `json:"bug_report_url"`
+	PrivacyURL   string `json:"privacy_url"`
+}
+
 // HostInfo 主机信息模型
 type HostInfo struct {
+	SystemInfo      SystemInfo             `json:"system_info"`
 	CPUInfo         CPUInfo                `json:"cpu_info"`
 	DiskInfo        []DiskInfo             `json:"disk_info"`
 	MemoryInfo      MemoryInfo             `json:"memory_info"`