diff --git a/Makefile b/Makefile
index 293ec9dc52..f03400aae1 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ SUM := $(shell which shasum)
 COMMIT := $(shell git rev-parse HEAD)
 CAT := $(if $(filter $(OS),Windows_NT),type,cat)
 
-Version=v0.10.0
+Version=v0.10.5
 CosmosSDK=v0.37.9
 Tendermint=v0.32.10
 Iavl=v0.12.4
diff --git a/app/protocol/protocol_v0.go b/app/protocol/protocol_v0.go
index 884df46817..2d0a2f544c 100644
--- a/app/protocol/protocol_v0.go
+++ b/app/protocol/protocol_v0.go
@@ -305,10 +305,10 @@ func (p *ProtocolV0) produceKeepers() {
 		p.keys[order.OrderStoreKey], p.cdc, appConfig.BackendConfig.EnableBackend, orderMetrics,
 	)
 
-	p.streamKeeper = stream.NewKeeper(p.orderKeeper, p.tokenKeeper, p.dexKeeper, p.accountKeeper,
+	p.streamKeeper = stream.NewKeeper(p.orderKeeper, p.tokenKeeper, &p.dexKeeper, &p.accountKeeper,
 		p.cdc, p.logger, appConfig, streamMetrics)
 
-	p.backendKeeper = backend.NewKeeper(p.orderKeeper, p.tokenKeeper, p.dexKeeper, p.streamKeeper.GetMarketKeeper(),
+	p.backendKeeper = backend.NewKeeper(p.orderKeeper, p.tokenKeeper, &p.dexKeeper, p.streamKeeper.GetMarketKeeper(),
 		p.cdc, p.logger, appConfig.BackendConfig)
 
 	// 3.register the proposal types
diff --git a/x/backend/mock_test.go b/x/backend/mock_test.go
index ac226a08e3..b895a33928 100644
--- a/x/backend/mock_test.go
+++ b/x/backend/mock_test.go
@@ -147,7 +147,7 @@ func getMockApp(t *testing.T, numGenAccs int, enableBackend bool, dbDir string)
 	mockApp.backendKeeper = NewKeeper(
 		mockApp.orderKeeper,
 		mockApp.tokenKeeper,
-		mockApp.dexKeeper,
+		&mockApp.dexKeeper,
 		nil,
 		mockApp.Cdc,
 		mockApp.Logger(),
diff --git a/x/dex/keeper/keeper.go b/x/dex/keeper/keeper.go
index 7d60e302e5..09227b5c56 100644
--- a/x/dex/keeper/keeper.go
+++ b/x/dex/keeper/keeper.go
@@ -94,7 +94,7 @@ func (k Keeper) SaveTokenPair(ctx sdk.Context, tokenPair *types.TokenPair) error
 	store.Set(types.GetTokenPairAddress(keyPair), k.cdc.MustMarshalBinaryBare(tokenPair))
 	store.Set(types.GetUserTokenPairAddress(tokenPair.Owner, keyPair), []byte{})
 
-	if !ctx.IsCheckTx() && k.observerKeeper != nil {
+	if k.observerKeeper != nil {
 		k.observerKeeper.OnAddNewTokenPair(ctx, tokenPair)
 	}
 
@@ -184,7 +184,7 @@ func (k Keeper) DeleteTokenPairByName(ctx sdk.Context, owner sdk.AccAddress, pro
 	// remove the user-tokenpair relationship
 	k.deleteUserTokenPair(ctx, owner, product)
 
-	if !ctx.IsCheckTx() && k.observerKeeper != nil {
+	if k.observerKeeper != nil {
 		k.observerKeeper.OnTokenPairUpdated(ctx)
 	}
 }
@@ -200,7 +200,7 @@ func (k Keeper) UpdateTokenPair(ctx sdk.Context, product string, tokenPair *type
 	store := ctx.KVStore(k.tokenPairStoreKey)
 	store.Set(types.GetTokenPairAddress(product), k.cdc.MustMarshalBinaryBare(*tokenPair))
 
-	if !ctx.IsCheckTx() && k.observerKeeper != nil {
+	if k.observerKeeper != nil {
 		k.observerKeeper.OnTokenPairUpdated(ctx)
 	}
 }
@@ -457,6 +457,6 @@ func (k Keeper) GetTokenPairNum(ctx sdk.Context) (tokenPairNumber uint64) {
 	return
 }
 
-func (k Keeper) SetObserverKeeper(sk exported.StreamKeeper) {
+func (k *Keeper) SetObserverKeeper(sk exported.StreamKeeper) {
 	k.observerKeeper = sk
 }