diff --git a/internal/svc/svc.go b/internal/svc/svc.go
index 312c823..d0e134d 100644
--- a/internal/svc/svc.go
+++ b/internal/svc/svc.go
@@ -9,8 +9,8 @@ import (
 	"github.com/b2network/b2committer/pkg/beacon"
 	"github.com/b2network/b2committer/pkg/client"
 	"github.com/b2network/b2committer/pkg/contract/op"
-	"github.com/b2network/b2committer/pkg/ds"
 	"github.com/b2network/b2committer/pkg/log"
+	"github.com/b2network/b2committer/pkg/store"
 	"github.com/b2network/b2committer/pkg/unisat"
 	"github.com/ethereum-optimism/optimism/op-service/sources"
 	"github.com/ethereum/go-ethereum/common"
@@ -38,7 +38,7 @@ type ServiceContext struct {
 	SyncedBlobBlockNumber int64
 	SyncedBlobBlockHash   common.Hash
 	OpCommitterClient     *b2node.OpCommitterClient
-	DecentralizedStore    ds.DecentralizedStore
+	DecentralizedStore    store.DecentralizedStore
 	UnisatHTTPClient      *unisat.UstHTTPClient
 }
 
@@ -121,7 +121,7 @@ func NewServiceContext(cfg *types.Config, bitcoinCfg *types.BitcoinRPCConfig, b2
 			log.Panicf("[svc] init arweave wallet panic: %s\n", err)
 		}
 
-		svc.DecentralizedStore = ds.NewArWeave(w, arClient)
+		svc.DecentralizedStore = store.NewArWeave(w, arClient)
 	}
 
 	return svc
diff --git a/pkg/ds/ds.go b/pkg/store/arweave.go
similarity index 84%
rename from pkg/ds/ds.go
rename to pkg/store/arweave.go
index 763e0e1..b26c0ed 100644
--- a/pkg/ds/ds.go
+++ b/pkg/store/arweave.go
@@ -1,4 +1,4 @@
-package ds
+package store
 
 import (
 	"strconv"
@@ -7,10 +7,6 @@ import (
 	"github.com/everFinance/goar/types"
 )
 
-type DecentralizedStore interface {
-	StoreDetailsOnChain(txs []byte, chainID int64, proposalID uint64) (string, error)
-	QueryDetailsByTxID(txID string) ([]byte, error)
-}
 type ArWeave struct {
 	Client *goar.Client
 	Wallet *goar.Wallet
diff --git a/pkg/ds/ds_test.go b/pkg/store/arweave_test.go
similarity index 98%
rename from pkg/ds/ds_test.go
rename to pkg/store/arweave_test.go
index 01e0353..5af8ad4 100644
--- a/pkg/ds/ds_test.go
+++ b/pkg/store/arweave_test.go
@@ -1,4 +1,4 @@
-package ds
+package store
 
 import (
 	"fmt"
diff --git a/pkg/store/store.go b/pkg/store/store.go
new file mode 100644
index 0000000..d7f119f
--- /dev/null
+++ b/pkg/store/store.go
@@ -0,0 +1,6 @@
+package store
+
+type DecentralizedStore interface {
+	StoreDetailsOnChain(txs []byte, chainID int64, proposalID uint64) (string, error)
+	QueryDetailsByTxID(txID string) ([]byte, error)
+}