diff --git a/jcpp-app/src/main/java/sanbing/jcpp/app/adapter/TestController.java b/jcpp-app/src/main/java/sanbing/jcpp/app/adapter/TestController.java
index c50e81d..2eff7ab 100644
--- a/jcpp-app/src/main/java/sanbing/jcpp/app/adapter/TestController.java
+++ b/jcpp-app/src/main/java/sanbing/jcpp/app/adapter/TestController.java
@@ -6,28 +6,18 @@
  */
 package sanbing.jcpp.app.adapter;
 
-import java.math.BigDecimal;
-import java.util.HashMap;
-import java.util.List;
-
+import com.google.common.collect.Lists;
+import jakarta.annotation.Resource;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
-
-import com.google.common.collect.Lists;
-
-import jakarta.annotation.Resource;
 import sanbing.jcpp.app.service.PileProtocolService;
 import sanbing.jcpp.proto.gen.ProtocolProto;
-import sanbing.jcpp.proto.gen.ProtocolProto.CardInfo;
-import sanbing.jcpp.proto.gen.ProtocolProto.FlagPriceProto;
-import sanbing.jcpp.proto.gen.ProtocolProto.OfflineCardSyncRequest;
-import sanbing.jcpp.proto.gen.ProtocolProto.PeriodProto;
-import sanbing.jcpp.proto.gen.ProtocolProto.PricingModelFlag;
-import sanbing.jcpp.proto.gen.ProtocolProto.PricingModelProto;
-import sanbing.jcpp.proto.gen.ProtocolProto.PricingModelRule;
-import sanbing.jcpp.proto.gen.ProtocolProto.PricingModelType;
-import sanbing.jcpp.proto.gen.ProtocolProto.SetPricingRequest;
+import sanbing.jcpp.proto.gen.ProtocolProto.*;
+
+import java.math.BigDecimal;
+import java.util.HashMap;
+import java.util.List;
 
 /**
  * @author baigod
@@ -186,10 +176,10 @@ public class TestController {
         return ResponseEntity.ok("success");
     }
 
-    @GetMapping("/api/limitUpdateRequest")
-    public ResponseEntity<String> limitUpdateRequest() {
+    @GetMapping("/api/offlineCardBalanceUpdateRequest")
+    public ResponseEntity<String> offlineCardBalanceUpdateRequest() {
 
-        pileProtocolService.limitUpdateRequest(ProtocolProto.LimitUpdateRequest.newBuilder()
+        pileProtocolService.offlineCardBalanceUpdateRequest(OfflineCardBalanceUpdateRequest.newBuilder()
                 .setCardNo("1000000000123456")
                 .setPileCode("20231212000010")
                 .setGunCode("01")
diff --git a/jcpp-app/src/main/java/sanbing/jcpp/app/service/PileProtocolService.java b/jcpp-app/src/main/java/sanbing/jcpp/app/service/PileProtocolService.java
index 63fd7e6..0f660b0 100644
--- a/jcpp-app/src/main/java/sanbing/jcpp/app/service/PileProtocolService.java
+++ b/jcpp-app/src/main/java/sanbing/jcpp/app/service/PileProtocolService.java
@@ -8,6 +8,8 @@ package sanbing.jcpp.app.service;
 
 import sanbing.jcpp.infrastructure.queue.Callback;
 import sanbing.jcpp.proto.gen.ProtocolProto;
+import sanbing.jcpp.proto.gen.ProtocolProto.OfflineCardBalanceUpdateRequest;
+import sanbing.jcpp.proto.gen.ProtocolProto.OfflineCardSyncRequest;
 import sanbing.jcpp.proto.gen.ProtocolProto.SetPricingRequest;
 import sanbing.jcpp.proto.gen.ProtocolProto.UplinkQueueMessage;
 
@@ -139,17 +141,17 @@ public interface PileProtocolService {
     /**
      * 远程账户余额更新
      */
-    void limitUpdateRequest(ProtocolProto.LimitUpdateRequest request);
+    void offlineCardBalanceUpdateRequest(OfflineCardBalanceUpdateRequest request);
 
     /**
      * 远程账户余额更新应答
      */
-    void onLimitUpdateResponse(UplinkQueueMessage uplinkQueueMessage, Callback callback);
+    void onOfflineCardBalanceUpdateResponse(UplinkQueueMessage uplinkQueueMessage, Callback callback);
 
     /**
      * 离线卡数据同步
      */
-    void offlineCardSyncRequest(ProtocolProto.OfflineCardSyncRequest request);
+    void offlineCardSyncRequest(OfflineCardSyncRequest request);
 
     /**
      * 离线卡数据同步应答
diff --git a/jcpp-app/src/main/java/sanbing/jcpp/app/service/impl/DefaultPileProtocolService.java b/jcpp-app/src/main/java/sanbing/jcpp/app/service/impl/DefaultPileProtocolService.java
index 2dddf2d..3261352 100644
--- a/jcpp-app/src/main/java/sanbing/jcpp/app/service/impl/DefaultPileProtocolService.java
+++ b/jcpp-app/src/main/java/sanbing/jcpp/app/service/impl/DefaultPileProtocolService.java
@@ -455,7 +455,7 @@ public class DefaultPileProtocolService implements PileProtocolService {
 
 
     @Override
-    public void onLimitUpdateResponse(UplinkQueueMessage uplinkQueueMessage, Callback callback) {
+    public void onOfflineCardBalanceUpdateResponse(UplinkQueueMessage uplinkQueueMessage, Callback callback) {
         log.info("接收到充电桩远程账户余额更新应答 {}", uplinkQueueMessage);
 
         // TODO 处理相关业务逻辑
@@ -464,7 +464,7 @@ public class DefaultPileProtocolService implements PileProtocolService {
     }
 
     @Override
-    public void limitUpdateRequest(LimitUpdateRequest request) {
+    public void offlineCardBalanceUpdateRequest(OfflineCardBalanceUpdateRequest request) {
         UUID messageId = UUID.randomUUID();
         UUID requestId = UUID.randomUUID();
 
@@ -474,8 +474,8 @@ public class DefaultPileProtocolService implements PileProtocolService {
                 .setPileCode(request.getPileCode())
                 .setRequestIdMSB(requestId.getMostSignificantBits())
                 .setRequestIdLSB(requestId.getLeastSignificantBits())
-                .setDownlinkCmd(DownlinkCmdEnum.LIMIT_UPDATE_REQUEST.name())
-                .setLimitUpdateRequest(request);
+                .setDownlinkCmd(DownlinkCmdEnum.OFFLINE_CARD_BALANCE_UPDATE_REQUEST.name())
+                .setOfflineCardBalanceUpdateRequest(request);
         downlinkCallService.sendDownlinkMessage(downlinkRequestMessageBuilder,request.getPileCode());
     }
 
diff --git a/jcpp-app/src/main/java/sanbing/jcpp/app/service/queue/consumer/ProtocolUplinkConsumerService.java b/jcpp-app/src/main/java/sanbing/jcpp/app/service/queue/consumer/ProtocolUplinkConsumerService.java
index 577774e..9421749 100644
--- a/jcpp-app/src/main/java/sanbing/jcpp/app/service/queue/consumer/ProtocolUplinkConsumerService.java
+++ b/jcpp-app/src/main/java/sanbing/jcpp/app/service/queue/consumer/ProtocolUplinkConsumerService.java
@@ -224,9 +224,9 @@ public class ProtocolUplinkConsumerService extends AbstractConsumerService imple
 
                             pileProtocolService.postLockStatus(uplinkQueueMsg, callback);
 
-                        } else if (uplinkQueueMsg.hasLimitUpdateResponse()) {
+                        } else if (uplinkQueueMsg.hasOfflineCardBalanceUpdateResponse()) {
 
-                            pileProtocolService.onLimitUpdateResponse(uplinkQueueMsg, callback);
+                            pileProtocolService.onOfflineCardBalanceUpdateResponse(uplinkQueueMsg, callback);
 
                         } else if (uplinkQueueMsg.hasOfflineCardSyncResponse()) {
 
diff --git a/jcpp-infrastructure-proto/src/main/proto/protocol.proto b/jcpp-infrastructure-proto/src/main/proto/protocol.proto
index 69f8d4f..2437b05 100644
--- a/jcpp-infrastructure-proto/src/main/proto/protocol.proto
+++ b/jcpp-infrastructure-proto/src/main/proto/protocol.proto
@@ -74,7 +74,7 @@ message UplinkQueueMessage {
   BmsHandshakeProto bmsHandshakeProto = 37;
   OtaResponse otaResponse = 38;
   GroundLockStatusProto groundLockStatusProto = 39;
-  LimitUpdateResponse limitUpdateResponse = 40;
+  OfflineCardBalanceUpdateResponse offlineCardBalanceUpdateResponse = 40;
   OfflineCardSyncResponse offlineCardSyncResponse = 41;
 
 }
@@ -99,7 +99,7 @@ message DownlinkRequestMessage {
   TransactionRecordResponse transactionRecordResponse = 27;
   RestartPileRequest restartPileRequest = 28;
   OtaRequest otaRequest = 29;
-  LimitUpdateRequest limitUpdateRequest = 30;
+  OfflineCardBalanceUpdateRequest offlineCardBalanceUpdateRequest = 30;
   OfflineCardSyncRequest offlineCardSyncRequest = 31;
 }
 
@@ -439,14 +439,14 @@ message GroundLockStatusProto {
   optional string additionalInfo = 20;   // 附加信息
 }
 
-message LimitUpdateRequest {
+message OfflineCardBalanceUpdateRequest {
   string pileCode = 1;                    // 充电桩编码
   string gunCode = 2;                     // 枪编号
   string cardNo = 3;                      // 物理卡号
   string limitYuan = 4;                   // 余额
 }
 
-message LimitUpdateResponse {
+message OfflineCardBalanceUpdateResponse {
   string pileCode = 1;                    // 充电桩编码
   string cardNo = 2;                      // 物理卡号
   bool success = 3;
diff --git a/jcpp-protocol-api/src/main/java/sanbing/jcpp/protocol/domain/DownlinkCmdEnum.java b/jcpp-protocol-api/src/main/java/sanbing/jcpp/protocol/domain/DownlinkCmdEnum.java
index 8fb72db..cfe502d 100644
--- a/jcpp-protocol-api/src/main/java/sanbing/jcpp/protocol/domain/DownlinkCmdEnum.java
+++ b/jcpp-protocol-api/src/main/java/sanbing/jcpp/protocol/domain/DownlinkCmdEnum.java
@@ -31,7 +31,7 @@ public enum DownlinkCmdEnum {
 
     OTA_REQUEST,
 
-    LIMIT_UPDATE_REQUEST,
+    OFFLINE_CARD_BALANCE_UPDATE_REQUEST,
 
     OFFLINE_CARD_SYNC_REQUEST
 }
\ No newline at end of file
diff --git a/jcpp-protocol-yunkuaichong/READMD.md b/jcpp-protocol-yunkuaichong/READMD.md
index 21991bb..43ae401 100644
--- a/jcpp-protocol-yunkuaichong/READMD.md
+++ b/jcpp-protocol-yunkuaichong/READMD.md
@@ -101,13 +101,15 @@
 
 #### 0x61 地锁数据上送
 `68 14 00 01 00 61 20 23 12 12 00 00 10 01 00 00 00 00 00 00 00 00 3D 6D`
+
+---
+
 #### 0x42 远程账户余额更新
 `68 18 04 00 00 42 20 23 12 12 00 00 10 01 30 31 00 00 00 00 00 00 a0 86 01 00 4e ac`
 
 #### 0x41 远程账户余额更新应答
 `68 14 19 00 00 41 20 23 12 12 00 00 10 10 00 00 00 00 12 34 56 00 bc 16`
 
-
 #### 0x44 离线卡数据同步
 `68 3f 02 00 00 44 20 23 12 12 00 00 10 03 00 00 00 10 00 00 00 00 12 34 56 10 00 00 00 00 12 34 56 10 00 00 00 00 12 34 57 10 00 00 00 00 12 34 57 10 00 00 00 00 12 34 58 10 00 00 00 00 12 34 58 ba 94`
 
diff --git a/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/enums/YunKuaiChongDownlinkCmdEnum.java b/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/enums/YunKuaiChongDownlinkCmdEnum.java
index 5456171..8e721f0 100644
--- a/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/enums/YunKuaiChongDownlinkCmdEnum.java
+++ b/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/enums/YunKuaiChongDownlinkCmdEnum.java
@@ -40,7 +40,7 @@ public enum YunKuaiChongDownlinkCmdEnum {
 
     OTA_REQUEST(0x94),
 
-    LIMIT_UPDATE_REQUEST(0x42),
+    OFFLINE_CARD_BALANCE_UPDATE_REQUEST(0x42),
 
     OFFLINE_CARD_SYNC_REQUEST(0x44),
 
diff --git a/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/v150/cmd/YunKuaiChongV150LimitUpdateRequestDLCmd.java b/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/v150/cmd/YunKuaiChongV150OfflineCardBalanceUpdateRequestDLCmd.java
similarity index 76%
rename from jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/v150/cmd/YunKuaiChongV150LimitUpdateRequestDLCmd.java
rename to jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/v150/cmd/YunKuaiChongV150OfflineCardBalanceUpdateRequestDLCmd.java
index a07d9e8..9250965 100644
--- a/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/v150/cmd/YunKuaiChongV150LimitUpdateRequestDLCmd.java
+++ b/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/v150/cmd/YunKuaiChongV150OfflineCardBalanceUpdateRequestDLCmd.java
@@ -6,21 +6,21 @@
  */
 package sanbing.jcpp.protocol.yunkuaichong.v150.cmd;
 
-import static sanbing.jcpp.protocol.yunkuaichong.enums.YunKuaiChongDownlinkCmdEnum.LIMIT_UPDATE_REQUEST;
-
-import java.math.BigDecimal;
-
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
 import lombok.extern.slf4j.Slf4j;
 import sanbing.jcpp.infrastructure.util.codec.BCDUtil;
-import sanbing.jcpp.proto.gen.ProtocolProto;
+import sanbing.jcpp.proto.gen.ProtocolProto.OfflineCardBalanceUpdateRequest;
 import sanbing.jcpp.protocol.ProtocolContext;
 import sanbing.jcpp.protocol.listener.tcp.TcpSession;
 import sanbing.jcpp.protocol.yunkuaichong.YunKuaiChongDownlinkCmdExe;
 import sanbing.jcpp.protocol.yunkuaichong.YunKuaiChongDwonlinkMessage;
 import sanbing.jcpp.protocol.yunkuaichong.annotation.YunKuaiChongCmd;
 
+import java.math.BigDecimal;
+
+import static sanbing.jcpp.protocol.yunkuaichong.enums.YunKuaiChongDownlinkCmdEnum.OFFLINE_CARD_BALANCE_UPDATE_REQUEST;
+
 
 /**
  * 云快充1.5.0  远程账户余额更新
@@ -29,26 +29,26 @@ import sanbing.jcpp.protocol.yunkuaichong.annotation.YunKuaiChongCmd;
  */
 @Slf4j
 @YunKuaiChongCmd(0x42)
-public class YunKuaiChongV150LimitUpdateRequestDLCmd extends YunKuaiChongDownlinkCmdExe {
+public class YunKuaiChongV150OfflineCardBalanceUpdateRequestDLCmd extends YunKuaiChongDownlinkCmdExe {
 
     @Override
     public void execute(TcpSession tcpSession, YunKuaiChongDwonlinkMessage message, ProtocolContext ctx) {
         log.info("{} 云快充1.5.0 远程账户余额更新", tcpSession);
 
-        if (!message.getMsg().hasLimitUpdateRequest()) {
+        if (!message.getMsg().hasOfflineCardBalanceUpdateRequest()) {
             log.error("云快充1.5.0 远程账户余额更新消息体为空");
             return;
         }
 
         // 初始化 buf
         ByteBuf msgBody = Unpooled.buffer(20);
-        ProtocolProto.LimitUpdateRequest request = message.getMsg().getLimitUpdateRequest();
+        OfflineCardBalanceUpdateRequest request = message.getMsg().getOfflineCardBalanceUpdateRequest();
         msgBody.writeBytes(encodePileCode(request.getPileCode()));
         msgBody.writeBytes(encodeGunCode(request.getGunCode()));
         msgBody.writeBytes(BCDUtil.toBytes(request.getCardNo()));
         msgBody.writeIntLE(new BigDecimal(request.getLimitYuan()).movePointRight(2).intValue());
 
-        super.encodeAndWriteFlush(LIMIT_UPDATE_REQUEST, msgBody, tcpSession);
+        super.encodeAndWriteFlush(OFFLINE_CARD_BALANCE_UPDATE_REQUEST, msgBody, tcpSession);
     }
 
 }
diff --git a/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/v150/cmd/YunKuaiChongV150LimitUpdateResponseULCmd.java b/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/v150/cmd/YunKuaiChongV150OfflineCardBalanceUpdateResponseULCmd.java
similarity index 84%
rename from jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/v150/cmd/YunKuaiChongV150LimitUpdateResponseULCmd.java
rename to jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/v150/cmd/YunKuaiChongV150OfflineCardBalanceUpdateResponseULCmd.java
index 42ad93d..53d9c39 100644
--- a/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/v150/cmd/YunKuaiChongV150LimitUpdateResponseULCmd.java
+++ b/jcpp-protocol-yunkuaichong/src/main/java/sanbing/jcpp/protocol/yunkuaichong/v150/cmd/YunKuaiChongV150OfflineCardBalanceUpdateResponseULCmd.java
@@ -6,20 +6,21 @@
  */
 package sanbing.jcpp.protocol.yunkuaichong.v150.cmd;
 
-import java.util.Map;
-
 import cn.hutool.core.text.CharSequenceUtil;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
 import lombok.extern.slf4j.Slf4j;
 import sanbing.jcpp.infrastructure.util.codec.BCDUtil;
-import sanbing.jcpp.proto.gen.ProtocolProto;
+import sanbing.jcpp.proto.gen.ProtocolProto.OfflineCardBalanceUpdateResponse;
+import sanbing.jcpp.proto.gen.ProtocolProto.UplinkQueueMessage;
 import sanbing.jcpp.protocol.ProtocolContext;
 import sanbing.jcpp.protocol.listener.tcp.TcpSession;
 import sanbing.jcpp.protocol.yunkuaichong.YunKuaiChongUplinkCmdExe;
 import sanbing.jcpp.protocol.yunkuaichong.YunKuaiChongUplinkMessage;
 import sanbing.jcpp.protocol.yunkuaichong.annotation.YunKuaiChongCmd;
 
+import java.util.Map;
+
 
 /**
  * 云快充1.5.0  余额更新应答
@@ -28,7 +29,7 @@ import sanbing.jcpp.protocol.yunkuaichong.annotation.YunKuaiChongCmd;
  */
 @Slf4j
 @YunKuaiChongCmd(0x41)
-public class YunKuaiChongV150LimitUpdateResponseULCmd extends YunKuaiChongUplinkCmdExe {
+public class YunKuaiChongV150OfflineCardBalanceUpdateResponseULCmd extends YunKuaiChongUplinkCmdExe {
 
     private static final Map<Byte, String> UPDATE_RESULT;
 
@@ -63,8 +64,8 @@ public class YunKuaiChongV150LimitUpdateResponseULCmd extends YunKuaiChongUplink
         // 修改结果  0x00-修改成功 0x01-设备编号错误 0x02-卡号错误
         byte updateResult = byteBuf.readByte();
 
-        ProtocolProto.UplinkQueueMessage queueMessage = uplinkMessageBuilder(pileCode, tcpSession, message)
-                .setLimitUpdateResponse(ProtocolProto.LimitUpdateResponse.newBuilder()
+        UplinkQueueMessage queueMessage = uplinkMessageBuilder(pileCode, tcpSession, message)
+                .setOfflineCardBalanceUpdateResponse(OfflineCardBalanceUpdateResponse.newBuilder()
                         .setPileCode(pileCode)
                         .setCardNo(cardNo)
                         .setSuccess(updateResult == 0x00)