diff --git a/iot-modbus-netty/src/main/java/com/takeoff/iot/modbus/netty/handle/MiiMessageDecoder.java b/iot-modbus-netty/src/main/java/com/takeoff/iot/modbus/netty/handle/MiiMessageDecoder.java
index 8e9e7a5ae2ae17f6600d9d31162d365d950d37e9..c9cdec956059476759fb4f1a93715328c0808867 100644
--- a/iot-modbus-netty/src/main/java/com/takeoff/iot/modbus/netty/handle/MiiMessageDecoder.java
+++ b/iot-modbus-netty/src/main/java/com/takeoff/iot/modbus/netty/handle/MiiMessageDecoder.java
@@ -29,7 +29,7 @@ public class MiiMessageDecoder extends ByteToMessageDecoder {
 	}
 
 	@Override
-	protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
+	protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) {
 		try {
 			byte[] array = new byte[in.readableBytes()];
 			in.readBytes(array);
@@ -39,7 +39,6 @@ public class MiiMessageDecoder extends ByteToMessageDecoder {
 			out.add(msg);
 		} catch (Exception e) {
 			log.error(e.getMessage(), e);
-			throw e;
 		}
 	}
 }