diff --git a/maibu-netty-server/src/main/java/com/maibu/controller/TransferDeviceController.java b/maibu-netty-server/src/main/java/com/maibu/controller/TransferDeviceController.java
index f4ee00c..5922c8d 100644
--- a/maibu-netty-server/src/main/java/com/maibu/controller/TransferDeviceController.java
+++ b/maibu-netty-server/src/main/java/com/maibu/controller/TransferDeviceController.java
@@ -117,8 +117,7 @@ public class TransferDeviceController extends BaseController {
         if (StringUtils.isEmpty(bindDTO.getPlatform())) {
             return AjaxResult.error("平台为空!");
         }
-        LoginUser user = getLoginUser();
-        transferDeviceService.releaseControl(bindDTO, user);
+        transferDeviceService.releaseControl(bindDTO);
         return AjaxResult.success();
     }
 }
diff --git a/maibu-netty-server/src/main/java/com/maibu/service/DeviceThreadService.java b/maibu-netty-server/src/main/java/com/maibu/service/DeviceThreadService.java
index 5b0d5da..b8187f5 100644
--- a/maibu-netty-server/src/main/java/com/maibu/service/DeviceThreadService.java
+++ b/maibu-netty-server/src/main/java/com/maibu/service/DeviceThreadService.java
@@ -96,7 +96,7 @@ public class DeviceThreadService {
                             String[] parts = k.split(":");
                             String deviceId = parts[1];
                             NettyDevice slaveDevice = sessionManager.getDevice(deviceId);
-                            if (slaveDevice != null && slaveDevice.isOnline()) {
+                            if (slaveDevice != null && slaveDevice.getOnlineStatus() == 1) {
                                 Long siteId = slaveDevice.getDevice().getSiteId();
                                 Long orgId = slaveDevice.getDevice().getOrgId();
                                 log.debug("compare siteId:{},orgId:{}", siteId, orgId);
diff --git a/maibu-netty-server/src/main/java/com/maibu/service/TransferDeviceService.java b/maibu-netty-server/src/main/java/com/maibu/service/TransferDeviceService.java
index 9e78e14..2aa543e 100644
--- a/maibu-netty-server/src/main/java/com/maibu/service/TransferDeviceService.java
+++ b/maibu-netty-server/src/main/java/com/maibu/service/TransferDeviceService.java
@@ -344,19 +344,17 @@ public class TransferDeviceService {
         }
     }
 
-    public void releaseControl(DeviceBindDTO bindDTO, LoginUser user) {
+    public void releaseControl(DeviceBindDTO bindDTO) {
         try {
-            String platform = bindDTO.getPlatform();
-            String userName = user.getUsername();
-            String masterId = userName + ":" + platform;
             Integer type = bindDTO.getType();
-            NettyDevice deviceMaster = sessionManager.getDevice(masterId);
-            if (type != null && deviceMaster != null) {
+            String masterId = sessionManager.getMaster(bindDTO.getDeviceId());
+            if (type != null && !StringUtils.isEmpty(masterId)) {
+                NettyDevice device = sessionManager.getDevice(masterId);
                 if (type == 1) {
-                    deviceMaster.setCurrentSlaveId(null);
-                    deviceMaster.getConnectedConnectors().clear();
+                    device.setCurrentSlaveId(null);
+                    device.getConnectedConnectors().clear();
                 } else if (type == 2) {
-                    deviceMaster.setConnectorStatus(ConnectorStatus.RECEIVER);
+                    device.setConnectorStatus(ConnectorStatus.RECEIVER);
                 }
             }
             sessionManager.unLock(bindDTO.getDeviceId(), bindDTO.getToken(), false);