diff --git a/jsowell-common/src/main/java/com/jsowell/common/util/BytesUtil.java b/jsowell-common/src/main/java/com/jsowell/common/util/BytesUtil.java
index ce07711cd..9fda0a9a5 100644
--- a/jsowell-common/src/main/java/com/jsowell/common/util/BytesUtil.java
+++ b/jsowell-common/src/main/java/com/jsowell/common/util/BytesUtil.java
@@ -522,12 +522,18 @@ public class BytesUtil {
 		// String s = DateUtils.decodeCP56Time2a(binary);
 		// System.out.println(s);
 
-		BigDecimal chargeAmount = new BigDecimal("10.5").setScale(2, BigDecimal.ROUND_HALF_UP);
-		byte[] accountBalanceByteArr = BytesUtil.getFloatBytes(chargeAmount.floatValue());
+		byte[] a = new byte[] {0x33, 0x37, 0x31, 0x31, 0x30, 0x30, 0x41, 0x4E, 0x38, 0x42, 0x53, 0x33, 0x43, 0x47, 0x38, 0x36, 0x4C};
+		String s = ascii2Str(a);
+		System.out.println(s);
+		String s1 = ascii2StrLittle(a);
+		System.out.println(s1);
 
-		float aFloat = BytesUtil.getFloat(accountBalanceByteArr);
-
-		System.out.println(aFloat);
+		// BigDecimal chargeAmount = new BigDecimal("10.5").setScale(2, BigDecimal.ROUND_HALF_UP);
+		// byte[] accountBalanceByteArr = BytesUtil.getFloatBytes(chargeAmount.floatValue());
+		//
+		// float aFloat = BytesUtil.getFloat(accountBalanceByteArr);
+		//
+		// System.out.println(aFloat);
 
 	}
 
diff --git a/jsowell-netty/src/main/java/com/jsowell/netty/handler/ConfirmStartChargingRequestHandler.java b/jsowell-netty/src/main/java/com/jsowell/netty/handler/ConfirmStartChargingRequestHandler.java
index b937b40d6..82746a594 100644
--- a/jsowell-netty/src/main/java/com/jsowell/netty/handler/ConfirmStartChargingRequestHandler.java
+++ b/jsowell-netty/src/main/java/com/jsowell/netty/handler/ConfirmStartChargingRequestHandler.java
@@ -108,7 +108,9 @@ public class ConfirmStartChargingRequestHandler extends AbstractHandler{
         startIndex += length;
         length = 17;
         byte[] vinCodeByteArr = BytesUtil.copyBytes(msgBody, startIndex, length);
-        String vinCode = BytesUtil.ascii2Str(vinCodeByteArr);
+        // String vinCode = BytesUtil.ascii2Str(vinCodeByteArr);
+        String vinCode = BytesUtil.ascii2StrLittle(vinCodeByteArr); // 反转
+        log.info("反转后vin：{}", vinCode);
 
         ConfirmStartChargingData confirmStartChargingData = ConfirmStartChargingData.builder()
                 .pileSn(pileSn)