diff --git a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/server/udp/RtcmUdpHandler.java b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/server/udp/RtcmUdpHandler.java
index cfcefb89..d985c580 100644
--- a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/server/udp/RtcmUdpHandler.java
+++ b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/server/udp/RtcmUdpHandler.java
@@ -46,7 +46,9 @@ public class RtcmUdpHandler extends ChannelInboundHandlerAdapter {
             }
             BizExecutors.execute(message);
         } catch (UnSupportedMessageException e) {
-            logger.warn("receive un supported message: {}", e.getMessage());
+            byte[] data = new byte[packet.content().readableBytes()];
+            packet.content().getBytes(0, data);
+            logger.warn("receive un supported message: {}", DataTypeUtil.getHexString(data));
         } catch (Exception e) {
             logger.error("channel read error: {}", e.toString());
         } finally {
diff --git a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/web/ApiController.java b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/web/ApiController.java
index 75d3552a..39413ae5 100644
--- a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/web/ApiController.java
+++ b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/web/ApiController.java
@@ -56,7 +56,7 @@ public class ApiController {
             // send command
             ByteBuf buf = Unpooled.buffer();
             byte[] data = getBinaryData(ConfigDataTypeEnum.HEX, configuration);
-            logger.info("send command:{}", configuration);
+            logger.debug("send command:{}", configuration);
             buf.writeBytes(data);
             deviceChannel.writeAndFlush(buf);
         }
@@ -83,7 +83,7 @@ public class ApiController {
             // send command
             ByteBuf buf = Unpooled.buffer();
             byte[] data = getBinaryData(ConfigDataTypeEnum.HEX, configuration);
-            logger.info("send command:{}", configuration);
+            logger.debug("send command:{}", configuration);
             buf.writeBytes(data);
             deviceChannel.writeAndFlush(buf);
         }