diff --git a/jcpp-protocol-yunkuaichong/READMD.md b/jcpp-protocol-yunkuaichong/READMD.md
index 78ca7ed..9cd9242 100644
--- a/jcpp-protocol-yunkuaichong/READMD.md
+++ b/jcpp-protocol-yunkuaichong/READMD.md
@@ -5,7 +5,7 @@
 #### 上行登录
 > （桩编号：20231212000010）HEX:20231212000010
 
-`68 22 00 19 00 01 20 23 12 12 00 00 10 01 01 10 47 56 2E 39 35 72 31 33 00 89 86 04 D1 17 22 D0 34 86 06 02 4E 87` 
+`68 22 00 19 00 01 20 23 12 12 00 00 10 01 01 10 47 56 2E 39 35 72 31 33 00 89 86 04 D1 17 22 D0 34 86 06 02 87 4E` 
 #### 下行登录应答
 `68 0C 00 19 00 02 20 23 12 12 00 00 10 00 A1 55`
 #### 下行登录后对时
@@ -59,6 +59,6 @@
 --- 
 
 ### 7.4上行BMS参数配置
-`68 31 00 16 00 17 32 01 02 00 00 00 00 11 15 11 16 15 55 35 02 60 20 23 12 12 00 00 10 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 78 BB`
+`68 31 00 16 00 17 32 01 02 00 00 00 00 11 15 11 16 15 55 35 02 60 20 23 12 12 00 00 10 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 BB 78`
 
 
diff --git a/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/YunKuaiChongProtocolMessageProcessor.java b/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/YunKuaiChongProtocolMessageProcessor.java
index 4205cac..f3a884c 100644
--- a/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/YunKuaiChongProtocolMessageProcessor.java
+++ b/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/YunKuaiChongProtocolMessageProcessor.java
@@ -107,11 +107,11 @@ public class YunKuaiChongProtocolMessageProcessor extends ProtocolMessageProcess
             // ================== 短路校验流程 ==================
             JCPPPair<Boolean, Integer> checkResult = checkCrcSum(checkData, checkSumLE);
             if (!checkResult.getFirst()) {
-                checkResult = checkCrcSum(checkData, checkSumBE);
                 if (log.isDebugEnabled()) { // 日志惰性计算
                     log.debug("{} 云快充校验域一次校验失败 CMD:{} 校验和：0x{} 期望校验和:0x{}",
-                            session, frameType, Integer.toHexString(checkSumBE), Integer.toHexString(checkResult.getSecond()));
+                            session, frameType, Integer.toHexString(checkSumBE), Integer.toHexString(checkSumLE));
                 }
+                checkResult = checkCrcSum(checkData, checkSumBE);
             }
 
             // ================== 最终校验失败处理 ==================
diff --git a/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/v150/cmd/YunKuaiChongV150BmsChargingErrorULCmd.java b/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/v150/cmd/YunKuaiChongV150BmsChargingErrorULCmd.java
index 0a53151..5d72118 100644
--- a/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/v150/cmd/YunKuaiChongV150BmsChargingErrorULCmd.java
+++ b/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/v150/cmd/YunKuaiChongV150BmsChargingErrorULCmd.java
@@ -30,7 +30,7 @@ public class YunKuaiChongV150BmsChargingErrorULCmd extends YunKuaiChongUplinkCmd
 
     @Override
     public void execute(TcpSession tcpSession, YunKuaiChongUplinkMessage yunKuaiChongUplinkMessage, ProtocolContext ctx) {
-        log.debug("{} 云快充1.5.0错误请求", tcpSession);
+        log.debug("{} 云快充1.5.0 充电桩与 BMS 充电错误报文", tcpSession);
         ByteBuf byteBuf = Unpooled.wrappedBuffer(yunKuaiChongUplinkMessage.getMsgBody());
         // 从Tracer总获取当前时间
         long ts = TracerContextUtil.getCurrentTracer().getTracerTs();