diff --git a/src/main/java/a8k/app/hardware/channel/A8kCanBusConnection.java b/src/main/java/a8k/app/hardware/channel/A8kCanBusConnection.java
index 3f5cf93..2156bb7 100644
--- a/src/main/java/a8k/app/hardware/channel/A8kCanBusConnection.java
+++ b/src/main/java/a8k/app/hardware/channel/A8kCanBusConnection.java
@@ -40,9 +40,9 @@ public class A8kCanBusConnection extends WebSocketClient {
 
 
 	static class ProcessContext {
-		BlockingQueue<A8kPacket> receiptQueue        = new LinkedBlockingQueue<>(); //
-		int                      waitingReceiptIndex = 0;//
-		Map<MId, CmdId>          txcmdcache          = new HashMap<>();
+		BlockingQueue<A8kPacket> receiptQueue = new LinkedBlockingQueue<>(); //
+		A8kPacket                cmdPacket;
+		Map<MId, CmdId>          txcmdcache   = new HashMap<>();
 
 
 		public A8kPacket getReceipt(int overtime) {
@@ -61,17 +61,21 @@ public class A8kCanBusConnection extends WebSocketClient {
 			return null;
 		}
 
-		synchronized void pushReceipt(A8kPacket packet) {
-			if (waitingReceiptIndex >= 0 && waitingReceiptIndex == packet.getPacketIndex()) {
-				//				log.debug("pushReceipt:| {}", packet);
-				receiptQueue.add(packet);
-				waitingReceiptIndex = -1;
+		synchronized void pushReceipt(A8kPacket receipt) {
+			if (this.cmdPacket != null
+					&& this.cmdPacket.getPacketIndex() == receipt.getPacketIndex()
+					&& this.cmdPacket.getModuleId() == receipt.getModuleId()
+					&& this.cmdPacket.getCmdId() == receipt.getCmdId()
+			) {
+				//				log.debug("pushReceipt:| {}", receipt);
+				receiptQueue.add(receipt);
+				this.cmdPacket = null;
 			}
 		}
 
-		synchronized void setWaitingReceiptIndex(int index) {
+		synchronized void setWaitingReceiptIndex(A8kPacket cmdPacket) {
 			receiptQueue.clear();
-			waitingReceiptIndex = index;
+			this.cmdPacket = cmdPacket;
 		}
 
 
@@ -148,6 +152,7 @@ public class A8kCanBusConnection extends WebSocketClient {
 				MId.valueOf(getStatusPacket.getModuleId()), CmdId.valueOf(getStatusPacket.getCmdId())));
 
 	}
+
 	//
 	//	PRIVATE
 	//
@@ -173,7 +178,6 @@ public class A8kCanBusConnection extends WebSocketClient {
 	}
 
 
-
 	private A8kPacket autoReSend(A8kPacket pack, int overtime) throws AppException {
 		if (firstCall) {
 			firstCall = false;
@@ -192,17 +196,6 @@ public class A8kCanBusConnection extends WebSocketClient {
 			OS.hsleep(50);
 
 
-
-
-
-
-
-
-
-
-
-
-
 			log.error("send cmd {} {} fail, retry {}", pack, pack.toByteString(), i);
 		}
 		throw AppException.of(new AEHardwareError(A8kEcode.LOW_ERROR_OVERTIME, MId.valueOf(pack.getModuleId()), CmdId.valueOf(pack.getCmdId())));
@@ -236,7 +229,7 @@ public class A8kCanBusConnection extends WebSocketClient {
 		//set waiting receipt index
 		pack.setPacketIndex(packetIndex);
 		context.storageTxLastCmd(pack);
-		context.setWaitingReceiptIndex(packetIndex);
+		context.setWaitingReceiptIndex(pack);
 
 		// TX packet
 		String txpacket = pack.toByteString();
diff --git a/src/main/java/a8k/app/hardware/type/ModuleStatus.java b/src/main/java/a8k/app/hardware/type/ModuleStatus.java
index d1c09b4..14a5e7c 100644
--- a/src/main/java/a8k/app/hardware/type/ModuleStatus.java
+++ b/src/main/java/a8k/app/hardware/type/ModuleStatus.java
@@ -19,7 +19,7 @@ public enum ModuleStatus {
 	}
 
 	public static ModuleStatus valueOf(int value) { // 手写的从int到enum的转换函数
-		Assert.isTrue((value >= 0 && value <= 2), String.format("(value=%s value >= 0 && value < 2)", value));
+		Assert.isTrue((value >= 0 && value <= 2), String.format("(value=%s value >= 0 && value <= 2)", value));
 		return values()[value];
 	}
 
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 41f4f53..1e7de1b 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -6,7 +6,7 @@ a8k.enableTemperatureCtrl: false
 device.runmode: "RealMode"
 
 iflytophald:
-  ip: 192.168.8.10
+  ip: 127.0.0.1
   cmdch.port: 19004
   datach.port: 19005