diff --git a/jsowell-common/src/main/java/com/jsowell/common/util/YKCUtils.java b/jsowell-common/src/main/java/com/jsowell/common/util/YKCUtils.java
index bbb2fac95..e0da8e82b 100644
--- a/jsowell-common/src/main/java/com/jsowell/common/util/YKCUtils.java
+++ b/jsowell-common/src/main/java/com/jsowell/common/util/YKCUtils.java
@@ -20,6 +20,7 @@ public class YKCUtils {
 	 * @return
 	 */
 	public static boolean checkMsg(byte[] msg) {
+		// log.info("checkMsg:{}", BytesUtil.binary(msg, 16));
 		// 起始标志
 		byte[] head = BytesUtil.copyBytes(msg, 0, 1);
 		// 数据长度
@@ -66,6 +67,11 @@ public class YKCUtils {
 		return false;
 	}
 
+	public static void main(String[] args) {
+		byte[] length = new byte[]{0x22};
+		System.out.println(BytesUtil.bytesToIntLittle(length));
+	}
+
 	/**
 	 * 转换电压电流以及起始soc
 	 * 精确到小数点后一位；待机置零
@@ -127,46 +133,6 @@ public class YKCUtils {
 		return bytes;
 	}
 
-	public static void main(String[] args) {
-		String frameTypeStr = "0x01";
-		byte[] bytes = frameTypeStr2Bytes(frameTypeStr);
-		System.out.println("转为byte数组:" + Arrays.toString(bytes));
-		String frameType2Str = frameType2Str(bytes);
-		System.out.println("转为Str:" + frameType2Str);
-
-		// String hexString = "681E0000003388000000000027012302081602434533880000000000270101008361";
-		// byte[] byteArray = new byte[hexString.length() / 2];
-		// for (int i = 0; i < byteArray.length; i++) {
-		// 	int index = i * 2;
-		// 	int j = Integer.parseInt(hexString.substring(index, index + 2), 16);
-		// 	byteArray[i] = (byte) j;
-		// }
-		// System.out.println(byteArray);
-		// String binary = BytesUtil.binary(byteArray, 16);
-		// String aaa = DatatypeConverter.printHexBinary(byteArray);
-		// System.out.println(binary);
-		// System.out.println(aaa);
-
-		// String targetCRC = "0abb";
-		// String substring = StringUtils.substring(targetCRC, 0, 2);
-		// String substring1 = StringUtils.substring(targetCRC, 2, 4);
-		// String crc = substring1 + substring;
-		//
-		// String hexString = "4f";
-		// byte[] bytes = new byte[]{0x4f};
-		//
-		// String s = transitionTemperature(bytes);
-		// System.out.println(s);
-		//
-		// byte[] bytess = new byte[]{(byte) 0x80, (byte) 0x1A, 0x06, 0x00};
-		// String s1 = convertDecimalPoint(bytess, 5);
-		// System.out.println(s1);
-		//
-		// String amount = "1000";
-		// byte[] priceByte = getPriceByte(amount, 2);
-		// System.out.println(BytesUtil.bin2HexStr(priceByte));
-	}
-
 	/**
 	 * 转换温度
 	 * BIN 码	1	整形，偏移量-50；待机置零
diff --git a/jsowell-netty/src/main/java/com/jsowell/netty/decoder/StartAndLengthFieldFrameDecoder.java b/jsowell-netty/src/main/java/com/jsowell/netty/decoder/StartAndLengthFieldFrameDecoder.java
index 7a6fffb7d..69b486f94 100644
--- a/jsowell-netty/src/main/java/com/jsowell/netty/decoder/StartAndLengthFieldFrameDecoder.java
+++ b/jsowell-netty/src/main/java/com/jsowell/netty/decoder/StartAndLengthFieldFrameDecoder.java
@@ -88,7 +88,7 @@ public class StartAndLengthFieldFrameDecoder extends ByteToMessageDecoder {
 	// 处理68协议消息
 	private void decode68Message(ByteBuf buffer, List<Object> out, int beginReader) {
 		// 检查剩余数据是否足够
-		if (buffer.readableBytes() < HEADER_LENGTH_68 + 1) {
+		if (buffer.readableBytes() < HEADER_LENGTH_68 + 1 + 2) {
 			buffer.readerIndex(beginReader);
 			return;
 		}
@@ -96,14 +96,14 @@ public class StartAndLengthFieldFrameDecoder extends ByteToMessageDecoder {
 		// 获取消息长度
 		int length = buffer.getUnsignedByte(beginReader + HEADER_LENGTH_68);
 		// 检查剩余数据是否足够
-		if (buffer.readableBytes() < HEADER_LENGTH_68 + 1 + length) {
+		if (buffer.readableBytes() < HEADER_LENGTH_68 + 1 + length + 2) {
 			buffer.readerIndex(beginReader);
 			return;
 		}
 
-		// 读取 data 数据
-		ByteBuf frame = buffer.retainedSlice(beginReader, HEADER_LENGTH_68 + 1 + length);
-		buffer.readerIndex(beginReader + HEADER_LENGTH_68 + 1 + length);
+		// 读取 data 数据 最后+2是帧校验域长度
+		ByteBuf frame = buffer.retainedSlice(beginReader, HEADER_LENGTH_68 + 1 + length + 2);
+		buffer.readerIndex(beginReader + HEADER_LENGTH_68 + 1 + length + 2);
 		out.add(frame);
 	}