diff --git a/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/controller/ChargingController.java b/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/controller/ChargingController.java
index 2af18488..893ef6b1 100644
--- a/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/controller/ChargingController.java
+++ b/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/controller/ChargingController.java
@@ -108,7 +108,7 @@ public class ChargingController {
                 CacheRateModel cacheRateModel = REDIS.getCacheObject("rateModel:".concat(stationRateModelId.toString()));
                 String rateModel = RateModelRequestLogic.translate(cacheRateModel);
                 String skey = pkey.concat(".seqhex");
-                String rateModelMsg = "68C2".concat(seqHex(skey)).concat("0058").concat(pileNo)
+                String rateModelMsg = "685E".concat(seqHex(skey)).concat("0058").concat(pileNo)
                         .concat(String.format("%04X", stationRateModelId))
                         .concat(rateModel);
                 rateModelMsg = rateModelMsg.concat(CRCCalculator.calcCrc(rateModelMsg.substring(4)));