diff --git a/CHANGELOG.md b/CHANGELOG.md
index 61c494bd0..4c4d03e26 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+##v0.26.9
+* [fix] [\#389] (https://github.com/bnb-chain/bnc-cosmos-sdk/pull/389) fix: publish ChainUndelegate event
+* [fix] [\#390] (https://github.com/bnb-chain/bnc-cosmos-sdk/pull/390) fix: ledger sig conversion
+
 ##v0.26.8
 * [fix] [\#388] (https://github.com/bnb-chain/bnc-cosmos-sdk/pull/388) fix: publish completed UnbondingDelegation events to kafka in EndBlock
 
diff --git a/x/stake/handler_sidechain.go b/x/stake/handler_sidechain.go
index 8cc518bad..b2f21c1e0 100644
--- a/x/stake/handler_sidechain.go
+++ b/x/stake/handler_sidechain.go
@@ -461,16 +461,17 @@ func handleMsgSideChainUndelegate(ctx sdk.Context, msg MsgSideChainUndelegate, k
 
 	// publish undelegate event
 	if k.PbsbServer != nil && ctx.IsDeliverTx() {
+		txHash, isFromTx := ctx.Value(baseapp.TxHashKey).(string)
 		event := types.ChainUndelegateEvent{
 			UndelegateEvent: types.UndelegateEvent{
 				StakeEvent: types.StakeEvent{
-					IsFromTx: true,
+					IsFromTx: isFromTx,
 				},
 				Delegator: msg.DelegatorAddr,
 				Validator: msg.ValidatorAddr,
 				Amount:    msg.Amount.Amount,
 				Denom:     msg.Amount.Denom,
-				TxHash:    ctx.Value(baseapp.TxHashKey).(string),
+				TxHash:    txHash,
 			},
 			ChainId: msg.SideChainId,
 		}