#update

maibu-service/maibu-system-service/src/main/java/com/maibu/service/impl/SysUserClientServiceImpl.java

@@ -53,7 +53,7 @@ public class SysUserClientServiceImpl implements ISysUserClientService {
     }
 
     @Override
-    public int updateAliveStatus(String clientName, String deviceName, int isAlive) {
+    public synchronized int updateAliveStatus(String clientName, String deviceName, int isAlive) {
         int i = userClientMapper.updateAliveStatus(clientName, deviceName, isAlive);
         if (i > 0) {
             return i;