diff --git a/backend/constants/message.go b/backend/constants/message.go
index 89701b33..521a2019 100644
--- a/backend/constants/message.go
+++ b/backend/constants/message.go
@@ -1,7 +1,7 @@
 package constants
 
 const (
-	MsgTypeGetLog     = "get-log"
-	MsgTypeGetSystemInfo     = "get-sys-info"
-	MsgTypeCancelTask = "cancel-task"
+	MsgTypeGetLog        = "get-log"
+	MsgTypeGetSystemInfo = "get-sys-info"
+	MsgTypeCancelTask    = "cancel-task"
 )
diff --git a/backend/main.go b/backend/main.go
index 5ee066e7..79ea41d1 100644
--- a/backend/main.go
+++ b/backend/main.go
@@ -60,7 +60,6 @@ func main() {
 
 	// 初始化节点服务
 	if err := services.InitNodeService(); err != nil {
-		debug.PrintStack()
 		panic(err)
 	}
 	log.Info("初始化节点配置成功")
diff --git a/backend/model/node.go b/backend/model/node.go
index 8a49f121..63461ced 100644
--- a/backend/model/node.go
+++ b/backend/model/node.go
@@ -39,6 +39,7 @@ func (n *Node) Add() error {
 	n.UpdateTs = time.Now()
 	n.CreateTs = time.Now()
 	if err := c.Insert(&n); err != nil {
+		debug.PrintStack()
 		return err
 	}
 	return nil
@@ -48,6 +49,7 @@ func (n *Node) Delete() error {
 	s, c := database.GetCol("nodes")
 	defer s.Close()
 	if err := c.RemoveId(n.Id); err != nil {
+		debug.PrintStack()
 		return err
 	}
 	return nil
@@ -57,6 +59,7 @@ func (n *Node) GetTasks() ([]Task, error) {
 	tasks, err := GetTaskList(bson.M{"node_id": n.Id}, 0, 10, "-create_ts")
 	//tasks, err := GetTaskList(nil, 0, 10, "-create_ts")
 	if err != nil {
+		debug.PrintStack()
 		return []Task{}, err
 	}
 
@@ -69,6 +72,7 @@ func GetNodeList(filter interface{}) ([]Node, error) {
 
 	var results []Node
 	if err := c.Find(filter).All(&results); err != nil {
+		debug.PrintStack()
 		return results, err
 	}
 	return results, nil
@@ -78,15 +82,30 @@ func GetNode(id bson.ObjectId) (Node, error) {
 	s, c := database.GetCol("nodes")
 	defer s.Close()
 
-	var result Node
-	if err := c.FindId(id).One(&result); err != nil {
+	var node Node
+	if err := c.FindId(id).One(&node); err != nil {
 		if err != mgo.ErrNotFound {
 			log.Errorf(err.Error())
 			debug.PrintStack()
 		}
-		return result, err
+		return node, err
 	}
-	return result, nil
+	return node, nil
+}
+
+func GetNodeByMac(mac string) (Node, error) {
+	s, c := database.GetCol("nodes")
+	defer s.Close()
+
+	var node Node
+	if err := c.Find(bson.M{"mac": mac}).One(&node); err != nil {
+		if err != mgo.ErrNotFound {
+			log.Errorf(err.Error())
+			debug.PrintStack()
+		}
+		return node, err
+	}
+	return node, nil
 }
 
 func UpdateNode(id bson.ObjectId, item Node) error {
diff --git a/backend/routes/node.go b/backend/routes/node.go
index cc30cae5..e9233b76 100644
--- a/backend/routes/node.go
+++ b/backend/routes/node.go
@@ -93,7 +93,9 @@ func GetNodeTaskList(c *gin.Context) {
 }
 
 func GetSystemInfo(c *gin.Context) {
-	sysInfo, _ := services.GetSystemInfo()
+	id := c.Param("id")
+
+	sysInfo, _ := services.GetSystemInfo(id)
 
 	c.JSON(http.StatusOK, Response{
 		Status:  "ok",
diff --git a/backend/services/node.go b/backend/services/node.go
index d0d50c7d..c567b36f 100644
--- a/backend/services/node.go
+++ b/backend/services/node.go
@@ -22,6 +22,27 @@ type Data struct {
 	UpdateTs time.Time `json:"update_ts"`
 }
 
+type NodeMessage struct {
+	// 通信类别
+	Type string `json:"type"`
+
+	// 任务相关
+	TaskId string `json:"task_id"` // 任务ID
+
+	// 节点相关
+	NodeId string `json:"node_id"` // 节点ID
+
+	// 日志相关
+	LogPath string `json:"log_path"` // 日志路径
+	Log     string `json:"log"`      // 日志
+
+	// 系统信息
+	SysInfo model.SystemInfo `json:"sys_info"`
+
+	// 错误相关
+	Error string `json:"error"`
+}
+
 const (
 	Yes = "Y"
 	No  = "N"
@@ -65,25 +86,51 @@ func GetCurrentNode() (model.Node, error) {
 	// 获取本机MAC地址
 	mac, err := GetMac()
 	if err != nil {
+		debug.PrintStack()
 		return model.Node{}, err
 	}
 
-	s, c := database.GetCol("nodes")
-	defer s.Close()
-
 	// 从数据库中获取当前节点
-	var n model.Node
-	if err := c.Find(bson.M{"mac": mac}).One(&n); err != nil {
-		return n, err
+	var node model.Node
+	errNum := 0
+	for {
+		// 如果错误次数超过10次
+		if errNum >= 10 {
+			panic("cannot get current node")
+		}
+
+		// 尝试获取节点
+		node, err = model.GetNodeByMac(mac)
+
+		// 如果获取失败
+		if err != nil {
+			// 增加错误次数
+			errNum++
+
+			// 5秒后重试
+			time.Sleep(5 * time.Second)
+			continue
+		}
+
+		// 跳出循环
+		break
 	}
-	return n, nil
+
+	return node, nil
 }
 
-// 是否为主节点
+// 当前节点是否为主节点
 func IsMaster() bool {
 	return viper.GetString("server.master") == Yes
 }
 
+// 该ID的节点是否为主节点
+func IsMasterNode(id string) bool {
+	curNode, _ := GetCurrentNode()
+	node, _ := model.GetNode(bson.ObjectIdHex(id))
+	return curNode.Id == node.Id
+}
+
 // 获取节点数据
 func GetNodeData() (Data, error) {
 	mac, err := GetMac()
@@ -127,6 +174,7 @@ func UpdateNodeStatus() {
 		// 如果记录的更新时间超过60秒，该节点被认为离线
 		if time.Now().Sub(data.UpdateTs) > 60*time.Second {
 			// 在Redis中删除该节点
+
 			if err := database.RedisClient.HDel("nodes", data.Mac); err != nil {
 				log.Errorf(err.Error())
 				return
@@ -214,29 +262,6 @@ func UpdateNodeData() {
 	}
 }
 
-// TODO: 查看节点PATH
-func GetNodePath() {
-	//os.Environ()
-}
-
-type NodeMessage struct {
-	// 通信类别
-	Type string `json:"type"`
-
-	// 任务相关
-	TaskId string `json:"task_id"` // 任务ID
-
-	// 日志相关
-	LogPath string `json:"log_path"` // 日志路径
-	Log     string `json:"log"`      // 日志
-
-	// 环境变量
-	Env string `json:"env"`
-
-	// 错误相关
-	Error string `json:"error"`
-}
-
 func MasterNodeCallback(channel string, msgStr string) {
 	// 反序列化
 	var msg NodeMessage
@@ -247,10 +272,18 @@ func MasterNodeCallback(channel string, msgStr string) {
 	}
 
 	if msg.Type == constants.MsgTypeGetLog {
+		// 获取日志
 		fmt.Println(msg)
 		time.Sleep(10 * time.Millisecond)
 		ch := TaskLogChanMap.ChanBlocked(msg.TaskId)
 		ch <- msg.Log
+	} else if msg.Type == constants.MsgTypeGetSystemInfo {
+		// 获取系统信息
+		fmt.Println(msg)
+		time.Sleep(10 * time.Millisecond)
+		ch := SystemInfoChanMap.ChanBlocked(msg.NodeId)
+		sysInfoBytes, _ := json.Marshal(&msg.SysInfo)
+		ch <- string(sysInfoBytes)
 	}
 }
 
@@ -267,6 +300,7 @@ func WorkerNodeCallback(channel string, msgStr string) {
 	if msg.Type == constants.MsgTypeGetLog {
 		// 消息类型为获取日志
 
+		// 发出的消息
 		msgSd := NodeMessage{
 			Type:   constants.MsgTypeGetLog,
 			TaskId: msg.TaskId,
@@ -296,8 +330,32 @@ func WorkerNodeCallback(channel string, msgStr string) {
 			return
 		}
 	} else if msg.Type == constants.MsgTypeCancelTask {
+		// 取消任务
 		ch := TaskExecChanMap.ChanBlocked(msg.TaskId)
 		ch <- constants.TaskCancel
+	} else if msg.Type == constants.MsgTypeGetSystemInfo {
+		// 获取环境信息
+		sysInfo, err := GetLocalSystemInfo()
+		if err != nil {
+			log.Errorf(err.Error())
+			return
+		}
+		msgSd := NodeMessage{
+			Type:    constants.MsgTypeGetSystemInfo,
+			NodeId:  msg.NodeId,
+			SysInfo: sysInfo,
+		}
+		msgSdBytes, err := json.Marshal(&msgSd)
+		if err != nil {
+			log.Errorf(err.Error())
+			debug.PrintStack()
+			return
+		}
+		fmt.Println(msgSd)
+		if err := database.Publish("nodes:master", string(msgSdBytes)); err != nil {
+			log.Errorf(err.Error())
+			return
+		}
 	}
 }
 
@@ -313,6 +371,9 @@ func InitNodeService() error {
 		return err
 	}
 
+	// 首次更新节点数据（注册到Redis）
+	UpdateNodeData()
+
 	// 消息订阅
 	var sub database.Subscriber
 	sub.Connect()
diff --git a/backend/services/system.go b/backend/services/system.go
index 6fc67102..8f724082 100644
--- a/backend/services/system.go
+++ b/backend/services/system.go
@@ -1,14 +1,22 @@
 package services
 
 import (
+	"crawlab/constants"
+	"crawlab/database"
 	"crawlab/model"
+	"crawlab/utils"
+	"encoding/json"
+	"github.com/apex/log"
 	"io/ioutil"
 	"os"
 	"path/filepath"
 	"runtime"
+	"runtime/debug"
 	"strings"
 )
 
+var SystemInfoChanMap = utils.NewChanMap()
+
 var executableNameMap = map[string]string{
 	// python
 	"python":    "Python",
@@ -49,7 +57,9 @@ func GetExecutables() (executables []model.Executable, err error) {
 	for _, path := range pathValues {
 		fileList, err := ioutil.ReadDir(path)
 		if err != nil {
-			return executables, err
+			log.Errorf(err.Error())
+			debug.PrintStack()
+			continue
 		}
 
 		for _, file := range fileList {
@@ -71,13 +81,14 @@ func GetExecutables() (executables []model.Executable, err error) {
 	return executables, nil
 }
 
-func GetSystemInfo() (sysInfo model.SystemInfo, err error) {
+func GetLocalSystemInfo() (sysInfo model.SystemInfo, err error) {
 	executables, err := GetExecutables()
 	if err != nil {
 		return sysInfo, err
 	}
 	hostname, err := os.Hostname()
 	if err != nil {
+		debug.PrintStack()
 		return sysInfo, err
 	}
 
@@ -89,3 +100,39 @@ func GetSystemInfo() (sysInfo model.SystemInfo, err error) {
 		Executables: executables,
 	}, nil
 }
+
+func GetRemoteSystemInfo(id string) (sysInfo model.SystemInfo, err error) {
+	// 发送消息
+	msg := NodeMessage{
+		Type:   constants.MsgTypeGetSystemInfo,
+		NodeId: id,
+	}
+
+	// 序列化
+	msgBytes, _ := json.Marshal(&msg)
+	if err := database.Publish("nodes:"+id, string(msgBytes)); err != nil {
+		return model.SystemInfo{}, err
+	}
+
+	// 通道
+	ch := SystemInfoChanMap.ChanBlocked(id)
+
+	// 等待响应，阻塞
+	sysInfoStr := <-ch
+
+	// 反序列化
+	if err := json.Unmarshal([]byte(sysInfoStr), &sysInfo); err != nil {
+		return sysInfo, err
+	}
+
+	return sysInfo, nil
+}
+
+func GetSystemInfo(id string) (sysInfo model.SystemInfo, err error) {
+	if IsMasterNode(id) {
+		sysInfo, err = GetLocalSystemInfo()
+	} else {
+		sysInfo, err = GetRemoteSystemInfo(id)
+	}
+	return
+}