diff --git a/server/src/UdpClientPool.cs b/server/src/UdpClientPool.cs
index 16cf988..5efb1f9 100644
--- a/server/src/UdpClientPool.cs
+++ b/server/src/UdpClientPool.cs
@@ -277,7 +277,7 @@ public class UDPClientPool
     public static async ValueTask<Result<RecvDataPackage>> ReadAddrByte(
             IPEndPoint endPoint, int taskID, uint devAddr, int timeout = 1000)
     {
-        return await ReadAddr(endPoint, taskID, devAddr, 0, timeout);
+        return await ReadAddr(endPoint, taskID, devAddr, 1, timeout);
     }
 
     /// <summary>