diff --git a/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/logic/RegisterLogic.java b/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/logic/RegisterLogic.java
index fb273d1d..c9e28806 100644
--- a/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/logic/RegisterLogic.java
+++ b/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/logic/RegisterLogic.java
@@ -22,6 +22,7 @@ import java.util.Set;
 import static com.xhpc.common.data.redis.StaticBeanUtil.REDIS;
 import static com.xhpc.common.data.redis.StaticBeanUtil.seqHex;
 import static com.xhpc.pp.config.EarlierBeanConf.getLocalIPAndPort;
+import static com.xhpc.pp.utils.HexUtils.toBytes;
 
 @Lazy
 @Component("RegisterLogic")
@@ -58,6 +59,7 @@ public class RegisterLogic implements ServiceLogic {
             cachePile.put("svcSrv", localIPAndPort);
             int gunNum = Integer.parseInt(req.get("gunNum").toString());
             cachePile.put("gunNum", gunNum);
+            cachePile.put("firmwareVersion", new String(toBytes(req.get("hex").toString().substring(32, 48))));
             cachePile.put("version", req.get("version").toString());
             REDIS.setCacheMap("pile:".concat(pileNo), cachePile);
             for (int gunN = 1; gunN <= gunNum; gunN++) {
@@ -94,7 +96,7 @@ public class RegisterLogic implements ServiceLogic {
         deviceMessage.setContent((String) req.get("hex"));
         deviceMessageMapper.insertByDomain(deviceMessage);
 
-        return new ServiceResult(HexUtils.toBytes(resultStr), resultCode);
+        return new ServiceResult(toBytes(resultStr), resultCode);
     }
 
     private void cachePileGunSvcSrv(String gunkey, String svcSrvKey) {