diff --git a/app/config/config.go b/app/config/config.go
index e91a30f681..cee5738f2c 100644
--- a/app/config/config.go
+++ b/app/config/config.go
@@ -9,8 +9,6 @@ import (
 	"time"
 
 	"github.com/okex/exchain/libs/cosmos-sdk/server"
-	tmtypes "github.com/okex/exchain/libs/tendermint/types"
-
 	"github.com/okex/exchain/libs/cosmos-sdk/store/iavl"
 	iavlconfig "github.com/okex/exchain/libs/iavl/config"
 	"github.com/okex/exchain/libs/system"
@@ -18,6 +16,7 @@ import (
 	tmconfig "github.com/okex/exchain/libs/tendermint/config"
 	"github.com/okex/exchain/libs/tendermint/libs/log"
 	"github.com/okex/exchain/libs/tendermint/state"
+	tmtypes "github.com/okex/exchain/libs/tendermint/types"
 
 	"github.com/spf13/viper"
 )
@@ -639,7 +638,6 @@ func (c *OecConfig) GetIavlCacheSize() int {
 }
 func (c *OecConfig) SetIavlCacheSize(value int) {
 	c.iavlCacheSize = value
-	iavl.IavlCacheSize = value
 }
 
 func (c *OecConfig) GetActiveVC() bool {
diff --git a/libs/cosmos-sdk/store/iavl/iavl_store.go b/libs/cosmos-sdk/store/iavl/iavl_store.go
index 2d0c581d20..7c7b73b9fa 100644
--- a/libs/cosmos-sdk/store/iavl/iavl_store.go
+++ b/libs/cosmos-sdk/store/iavl/iavl_store.go
@@ -6,19 +6,18 @@ import (
 	"io"
 	"sync"
 
+	"github.com/okex/exchain/libs/cosmos-sdk/store/cachekv"
 	"github.com/okex/exchain/libs/cosmos-sdk/store/flatkv"
-	tmtypes "github.com/okex/exchain/libs/tendermint/types"
-
+	"github.com/okex/exchain/libs/cosmos-sdk/store/tracekv"
+	"github.com/okex/exchain/libs/cosmos-sdk/store/types"
+	sdkerrors "github.com/okex/exchain/libs/cosmos-sdk/types/errors"
 	"github.com/okex/exchain/libs/iavl"
+	iavlconfig "github.com/okex/exchain/libs/iavl/config"
 	abci "github.com/okex/exchain/libs/tendermint/abci/types"
 	"github.com/okex/exchain/libs/tendermint/crypto/merkle"
 	tmkv "github.com/okex/exchain/libs/tendermint/libs/kv"
+	tmtypes "github.com/okex/exchain/libs/tendermint/types"
 	dbm "github.com/okex/exchain/libs/tm-db"
-
-	"github.com/okex/exchain/libs/cosmos-sdk/store/cachekv"
-	"github.com/okex/exchain/libs/cosmos-sdk/store/tracekv"
-	"github.com/okex/exchain/libs/cosmos-sdk/store/types"
-	sdkerrors "github.com/okex/exchain/libs/cosmos-sdk/types/errors"
 )
 
 var (
@@ -58,11 +57,11 @@ func LoadStore(db dbm.DB, flatKVDB dbm.DB, id types.CommitID, lazyLoading bool,
 	return LoadStoreWithInitialVersion(db, flatKVDB, id, lazyLoading, uint64(startVersion), uint64(0))
 }
 
-// LoadStore returns an IAVL Store as a CommitKVStore setting its initialVersion
+// LoadStoreWithInitialVersion returns an IAVL Store as a CommitKVStore setting its initialVersion
 // to the one given. Internally, it will load the store's version (id) from the
 // provided DB. An error is returned if the version fails to load.
 func LoadStoreWithInitialVersion(db dbm.DB, flatKVDB dbm.DB, id types.CommitID, lazyLoading bool, initialVersion uint64, upgradeVersion uint64) (types.CommitKVStore, error) {
-	tree, err := iavl.NewMutableTreeWithOpts(db, IavlCacheSize, &iavl.Options{InitialVersion: initialVersion, UpgradeVersion: upgradeVersion})
+	tree, err := iavl.NewMutableTreeWithOpts(db, iavlconfig.DynamicConfig.GetIavlCacheSize(), &iavl.Options{InitialVersion: initialVersion, UpgradeVersion: upgradeVersion})
 	if err != nil {
 		return nil, err
 	}
@@ -91,7 +90,7 @@ func LoadStoreWithInitialVersion(db dbm.DB, flatKVDB dbm.DB, id types.CommitID,
 }
 
 func GetCommitVersion(db dbm.DB) (int64, error) {
-	tree, err := iavl.NewMutableTreeWithOpts(db, IavlCacheSize, &iavl.Options{InitialVersion: 0})
+	tree, err := iavl.NewMutableTreeWithOpts(db, iavlconfig.DynamicConfig.GetIavlCacheSize(), &iavl.Options{InitialVersion: 0})
 	if err != nil {
 		return 0, err
 	}