diff --git a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/executor/D314PingMessageExecutor.java b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/executor/D314PingMessageExecutor.java
index 13eabf10..e25cc341 100644
--- a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/executor/D314PingMessageExecutor.java
+++ b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/executor/D314PingMessageExecutor.java
@@ -5,6 +5,8 @@ import com.imdroid.sideslope.server.DeviceChannel;
 import com.imdroid.sideslope.server.OnlineChannels;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
 
 /**
@@ -13,6 +15,7 @@ import org.springframework.stereotype.Component;
  */
 @Component
 public class D314PingMessageExecutor implements Executor<D314PingMessage, Void> {
+    private final Logger logger = LoggerFactory.getLogger(this.getClass());
 
     @Override
     public Void execute(D314PingMessage message) {
@@ -24,6 +27,7 @@ public class D314PingMessageExecutor implements Executor<D314PingMessage, Void>
             ByteBuf buf = Unpooled.buffer();
             buf.writeBytes(forwardBytes);
             deviceChannel.writeAndFlush(buf);
+            logger.info("{} ping ack",deviceId);
         }
 
         return null;