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 19536ebea..bf9c51d55 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
@@ -19,6 +19,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.collections4.CollectionUtils;
 
 import java.math.BigDecimal;
+import java.nio.charset.StandardCharsets;
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
@@ -328,7 +329,8 @@ public class YKCUtils {
 	 * 解析vin
 	 */
 	public static String parseVin(byte[] vinCodeByteArr) {
-		return BytesUtil.ascii2Str(vinCodeByteArr);
+		// return BytesUtil.ascii2Str(vinCodeByteArr);
+		return new String(vinCodeByteArr, StandardCharsets.US_ASCII);
 	}
 
 	/**
diff --git a/jsowell-netty/src/main/java/com/jsowell/netty/handler/yunkuaichong/ConfirmStartChargingRequestHandler.java b/jsowell-netty/src/main/java/com/jsowell/netty/handler/yunkuaichong/ConfirmStartChargingRequestHandler.java
index 721383d63..1b34b2b9c 100644
--- a/jsowell-netty/src/main/java/com/jsowell/netty/handler/yunkuaichong/ConfirmStartChargingRequestHandler.java
+++ b/jsowell-netty/src/main/java/com/jsowell/netty/handler/yunkuaichong/ConfirmStartChargingRequestHandler.java
@@ -118,7 +118,8 @@ public class ConfirmStartChargingRequestHandler extends AbstractYkcHandler {
         startIndex += length;
         length = 17;
         byte[] vinCodeByteArr = BytesUtil.copyBytes(msgBody, startIndex, length);
-        String vinCode = BytesUtil.ascii2StrLittle(vinCodeByteArr);
+        // String vinCode = BytesUtil.ascii2StrLittle(vinCodeByteArr);
+        String vinCode = YKCUtils.parseVin(vinCodeByteArr);
 
         ConfirmStartChargingData confirmStartChargingData = ConfirmStartChargingData.builder()
                 .pileSn(pileSn)
@@ -183,7 +184,8 @@ public class ConfirmStartChargingRequestHandler extends AbstractYkcHandler {
         startIndex += length;
         length = 17;
         byte[] vinCodeByteArr = BytesUtil.copyBytes(msgBody, startIndex, length);
-        String vinCode = BytesUtil.ascii2StrLittle(vinCodeByteArr).replaceAll("\\u0000", "");
+        // String vinCode = BytesUtil.ascii2StrLittle(vinCodeByteArr).replaceAll("\\u0000", "");
+        String vinCode = YKCUtils.parseVin(vinCodeByteArr);
 
         ConfirmStartChargingData confirmStartChargingData = ConfirmStartChargingData.builder()
                 .pileSn(pileSn)
diff --git a/jsowell-netty/src/main/java/com/jsowell/netty/strategy/ykc/ConfirmStartChargingStrategy.java b/jsowell-netty/src/main/java/com/jsowell/netty/strategy/ykc/ConfirmStartChargingStrategy.java
index ea61e0ecc..286124735 100644
--- a/jsowell-netty/src/main/java/com/jsowell/netty/strategy/ykc/ConfirmStartChargingStrategy.java
+++ b/jsowell-netty/src/main/java/com/jsowell/netty/strategy/ykc/ConfirmStartChargingStrategy.java
@@ -111,7 +111,8 @@ public class ConfirmStartChargingStrategy implements AbstractYkcStrategy {
         startIndex += length;
         length = 17;
         byte[] vinCodeByteArr = BytesUtil.copyBytes(msgBody, startIndex, length);
-        String vinCode = BytesUtil.ascii2StrLittle(vinCodeByteArr);
+        // String vinCode = BytesUtil.ascii2StrLittle(vinCodeByteArr);
+        String vinCode = YKCUtils.parseVin(vinCodeByteArr);
 
         ConfirmStartChargingData confirmStartChargingData = ConfirmStartChargingData.builder()
                 .pileSn(pileSn)