diff --git a/core/store/ledgerstore/ledger_store.go b/core/store/ledgerstore/ledger_store.go
index 33c583e9a..a2fdaede7 100644
--- a/core/store/ledgerstore/ledger_store.go
+++ b/core/store/ledgerstore/ledger_store.go
@@ -36,7 +36,6 @@ import (
 	"github.com/ontio/ontology-crypto/keypair"
 	"github.com/ontio/ontology/common"
 	"github.com/ontio/ontology/common/config"
-	sysconfig "github.com/ontio/ontology/common/config"
 	"github.com/ontio/ontology/common/log"
 	vconfig "github.com/ontio/ontology/consensus/vbft/config"
 	"github.com/ontio/ontology/core/payload"
@@ -1462,7 +1461,7 @@ func (this *LedgerStoreImp) PreExecuteEip155Tx(msg types3.Message) (*types5.Exec
 		Height:    height,
 		Timestamp: blockTime,
 	}
-	config := params.GetChainConfig(sysconfig.DefConfig.P2PNode.EVMChainId)
+	config := params.GetChainConfig(config.DefConfig.P2PNode.EVMChainId)
 	txContext := evm.NewEVMTxContext(msg)
 	blockContext := evm.NewEVMBlockContext(height, blockTime, this)
 	cache := this.GetCacheDB()
diff --git a/http/ethrpc/eth/api.go b/http/ethrpc/eth/api.go
index ddbd1c43e..753f546d2 100644
--- a/http/ethrpc/eth/api.go
+++ b/http/ethrpc/eth/api.go
@@ -35,7 +35,6 @@ import (
 	"github.com/ontio/ontology/common/constants"
 	"github.com/ontio/ontology/common/log"
 	"github.com/ontio/ontology/core/states"
-	common2 "github.com/ontio/ontology/core/store/common"
 	sCom "github.com/ontio/ontology/core/store/common"
 	otypes "github.com/ontio/ontology/core/types"
 	ontErrors "github.com/ontio/ontology/errors"
@@ -443,7 +442,7 @@ func (api *EthereumAPI) GetTransactionByHash(hash common.Hash) (*types2.Transact
 	log.Debugf("eth_getTransactionByHash hash %v", hash.Hex())
 	height, tx, err := bactor.GetTxnWithHeightByTxHash(oComm.Uint256(hash))
 	if err != nil {
-		if err == common2.ErrNotFound {
+		if err == sCom.ErrNotFound {
 			return nil, nil
 		}
 		return nil, err
diff --git a/p2pserver/mock/discovery_test.go b/p2pserver/mock/discovery_test.go
index 8727f25a3..dbe246e3c 100644
--- a/p2pserver/mock/discovery_test.go
+++ b/p2pserver/mock/discovery_test.go
@@ -24,7 +24,6 @@ import (
 
 	"github.com/ontio/ontology/common/log"
 	"github.com/ontio/ontology/p2pserver/common"
-	"github.com/ontio/ontology/p2pserver/message/types"
 	msgTypes "github.com/ontio/ontology/p2pserver/message/types"
 	"github.com/ontio/ontology/p2pserver/net/netserver"
 	p2p "github.com/ontio/ontology/p2pserver/net/protocol"
@@ -82,7 +81,7 @@ func (self *DiscoveryProtocol) HandleSystemMessage(net p2p.P2P, msg p2p.SystemMe
 func (self *DiscoveryProtocol) HandlePeerMessage(ctx *p2p.Context, msg msgTypes.Message) {
 	log.Trace("[p2p]receive message", ctx.Sender().GetAddr(), ctx.Sender().GetID())
 	switch m := msg.(type) {
-	case *types.AddrReq:
+	case *msgTypes.AddrReq:
 		self.discovery.AddrReqHandle(ctx)
 	case *msgTypes.FindNodeResp:
 		self.discovery.FindNodeResponseHandle(ctx, m)