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 1269d75b..0bc9d317 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
@@ -91,6 +91,7 @@ public class ChargingController {
     @PostMapping("charging/start")
     public R startCharging(@Validated @RequestBody StartChargingData startChargingData) {
 
+        //todo protocol versioning
         String pileNo = startChargingData.getPileNo();
         String pkey = "pile:".concat(pileNo);
         Map<String, Object> cachePile = REDIS.getCacheMap(pkey);
@@ -108,7 +109,7 @@ public class ChargingController {
                 String gunkey = "gun:".concat(pileNo).concat(startChargingData.getGunId());
                 String skey = gunkey.concat(".seqhex");
                 String seq = seqHex(skey);
-                String rateModelMsg = "680E".concat(seq).concat("0058").concat(pileNo)
+                String rateModelMsg = "685E".concat(seq).concat("0058").concat(pileNo)
                         .concat(String.format("%04X", stationRateModelId))
                         .concat(rateModel);
                 rateModelMsg = rateModelMsg.concat(CRCCalculator.calcCrc(rateModel));
diff --git a/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/controller/PileController.java b/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/controller/PileController.java
index fa8ddccf..cf25db63 100644
--- a/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/controller/PileController.java
+++ b/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/controller/PileController.java
@@ -66,9 +66,9 @@ public class PileController {
         if (handler != null) {
             try {
                 handler.sendClientBinary(HexUtils.toBytes(msg));
-                r = R.ok("费率模型已下发");
+                r = R.ok("费率模型已下发,请再次启动充电");
             } catch (IOException e) {
-                r = R.fail("费率模型下发失败:".concat(e.getMessage()));
+                r = R.fail("费率模型下发失败:".concat(e.getMessage()).concat(".无法启动充电"));
             }
         } else {
             r = R.fail("费率模型下发失败,充电桩离线");