diff --git a/backend/database/redis.go b/backend/database/redis.go
index 54f716d0..b165aaa3 100644
--- a/backend/database/redis.go
+++ b/backend/database/redis.go
@@ -155,42 +155,57 @@ func Sub(channel string, consume ConsumeFunc) error {
 	return nil
 }
 
+// 构建同步锁key
 func (r *Redis) getLockKey(lockKey string) string {
 	lockKey = strings.ReplaceAll(lockKey, ":", "-")
 	return "nodes:lock:" + lockKey
 }
 
-func (r *Redis) Lock(lockKey string) error {
+// 获得锁
+func (r *Redis) Lock(lockKey string) (int64, error) {
 	c := r.pool.Get()
 	defer utils.Close(c)
 	lockKey = r.getLockKey(lockKey)
 
-	ts := time.Now()
-	v, err := c.Do("SET", lockKey, ts, "NX", "PX", 30000)
+	ts := time.Now().Unix()
+	ok, err := c.Do("SET", lockKey, ts, "NX", "PX", 30000)
 	if err != nil {
 		log.Errorf("get lock fail with error: %s", err.Error())
 		debug.PrintStack()
-		return err
+		return 0, err
 	}
-	if err == nil && v == nil {
+	if err == nil && ok == nil {
 		log.Errorf("the lockKey is locked: key=%s", lockKey)
-		return errors.New("the lockKey is locked")
+		return 0, errors.New("the lockKey is locked")
 	}
-	return nil
+	return ts, nil
 }
 
-func (r *Redis) UnLock(lockKey string) {
+func (r *Redis) UnLock(lockKey string, value int64) {
 	c := r.pool.Get()
 	defer utils.Close(c)
 	lockKey = r.getLockKey(lockKey)
 
-	v, err := c.Do("DEL", lockKey)
+	getValue, err := redis.Int64(c.Do("GET", lockKey))
+	if err != nil {
+		log.Errorf("get lockKey error: %s", err.Error())
+		debug.PrintStack()
+		return
+	}
+
+	if getValue != value {
+		log.Errorf("the lockKey value diff: %d, %d", value, getValue)
+		return
+	}
+
+	v, err := redis.Int64(c.Do("DEL", lockKey))
 	if err != nil {
 		log.Errorf("unlock failed, error: %s", err.Error())
 		debug.PrintStack()
 		return
 	}
-	if v.(int64) == 0 {
+
+	if v == 0 {
 		log.Errorf("unlock failed: key=%s", lockKey)
 		return
 	}
diff --git a/backend/services/node.go b/backend/services/node.go
index 26cd3b89..36934746 100644
--- a/backend/services/node.go
+++ b/backend/services/node.go
@@ -96,10 +96,11 @@ func UpdateNodeStatus() {
 
 func handleNodeInfo(key string, data Data) {
 	// 添加同步锁
-	if err := database.RedisClient.Lock(key); err != nil {
+	v, err := database.RedisClient.Lock(key)
+	if err != nil {
 		return
 	}
-	defer database.RedisClient.UnLock(key)
+	defer database.RedisClient.UnLock(key, v)
 
 	// 更新节点信息到数据库
 	s, c := database.GetCol("nodes")
diff --git a/frontend/src/api/request.js b/frontend/src/api/request.js
index 9c5943f5..5f91f2ac 100644
--- a/frontend/src/api/request.js
+++ b/frontend/src/api/request.js
@@ -1,53 +1,39 @@
 import axios from 'axios'
 import router from '../router'
+import { Message } from 'element-ui'
 
 let baseUrl = process.env.VUE_APP_BASE_URL ? process.env.VUE_APP_BASE_URL : 'http://localhost:8000'
 
-const request = async (method, path, params, data, others = {}) => {
-  try {
-    const url = baseUrl + path
-    const headers = {
-      'Authorization': window.localStorage.getItem('token')
+const request = (method, path, params, data, others = {}) => {
+  const url = baseUrl + path
+  const headers = {
+    'Authorization': window.localStorage.getItem('token')
+  }
+  return axios({
+    method,
+    url,
+    params,
+    data,
+    headers,
+    ...others
+  }).then((response) => {
+    if (response.status === 200) {
+      return Promise.resolve(response)
     }
-    const response = await axios({
-      method,
-      url,
-      params,
-      data,
-      headers,
-      ...others
-    })
-    // console.log(response)
-    return response
-  } catch (e) {
-    if (e.response.status === 401 && router.currentRoute.path !== '/login') {
+    return Promise.reject(response)
+  }).catch((e) => {
+    let response = e.response
+    if (response.status === 400) {
+      Message.error(response.data.error)
+    }
+    if (response.status === 401 && router.currentRoute.path !== '/login') {
+      console.log('login')
       router.push('/login')
     }
-    await Promise.reject(e)
-  }
-
-  // return new Promise((resolve, reject) => {
-  //   const url = baseUrl + path
-  //   const headers = {
-  //     'Authorization': window.localStorage.getItem('token')
-  //   }
-  //   axios({
-  //     method,
-  //     url,
-  //     params,
-  //     data,
-  //     headers,
-  //     ...others
-  //   })
-  //     .then(resolve)
-  //     .catch(error => {
-  //       console.log(error)
-  //       if (error.response.status === 401) {
-  //         router.push('/login')
-  //       }
-  //       reject(error)
-  //     })
-  // })
+    if (response.status === 500) {
+      Message.error(response.data.error)
+    }
+  })
 }
 
 const get = (path, params) => {