diff --git a/chain/chain.go b/chain/chain.go
index 6a9c036..bf9339e 100644
--- a/chain/chain.go
+++ b/chain/chain.go
@@ -9,6 +9,7 @@ package chain
 
 import (
 	"context"
+	"errors"
 	"io"
 	"log"
 	"os"
@@ -29,7 +30,7 @@ import (
 )
 
 type ChainSDK struct {
-	core.P2P
+	*core.Node
 	lock            *sync.Mutex
 	api             *gsrpc.SubstrateAPI
 	chainState      *atomic.Bool
@@ -50,6 +51,7 @@ var _ sdk.SDK = (*ChainSDK)(nil)
 
 func NewChainSDK(name string, rpcs []string, mnemonic string, t time.Duration, workspace string, p2pPort int, bootnodes []string) (*ChainSDK, error) {
 	var (
+		ok       bool
 		err      error
 		chainSDK = &ChainSDK{}
 	)
@@ -109,7 +111,7 @@ func NewChainSDK(name string, rpcs []string, mnemonic string, t time.Duration, w
 	chainSDK.name = name
 
 	if workspace != "" && p2pPort > 0 {
-		chainSDK.P2P, err = p2pgo.New(
+		p2p, err := p2pgo.New(
 			ctx,
 			p2pgo.ListenPort(p2pPort),
 			p2pgo.Workspace(filepath.Join(workspace, chainSDK.GetSignatureAcc(), chainSDK.GetRoleName())),
@@ -118,6 +120,10 @@ func NewChainSDK(name string, rpcs []string, mnemonic string, t time.Duration, w
 		if err != nil {
 			return nil, err
 		}
+		chainSDK.Node, ok = p2p.(*core.Node)
+		if !ok {
+			return nil, errors.New("invalid p2p type")
+		}
 		chainSDK.enabledP2P = true
 	}
 
diff --git a/chain/fileBank.go b/chain/fileBank.go
index 606d198..b3ad474 100644
--- a/chain/fileBank.go
+++ b/chain/fileBank.go
@@ -797,7 +797,13 @@ func (c *ChainSDK) DeleteFile(puk []byte, filehash []string) (string, []pattern.
 					return txhash, hashs, errors.Wrap(err, "[GetStorageRaw]")
 				}
 				err = types.EventRecordsRaw(*h).DecodeEventRecords(c.metadata, &events)
-				if err != nil || len(events.FileBank_DeleteFile) > 0 {
+				if err != nil {
+					if len(events.FileBank_DeleteFile) > 0 {
+						return txhash, events.FileBank_DeleteFile[0].Filehash, nil
+					}
+					return txhash, nil, nil
+				}
+				if len(events.FileBank_DeleteFile) > 0 {
 					return txhash, events.FileBank_DeleteFile[0].Filehash, nil
 				}
 				return txhash, hashs, errors.New(pattern.ERR_Failed)
@@ -982,7 +988,14 @@ func (c *ChainSDK) SubmitFileReport(roothash []pattern.FileHash) (string, []patt
 					return txhash, nil, errors.Wrap(err, "[GetStorageRaw]")
 				}
 				err = types.EventRecordsRaw(*h).DecodeEventRecords(c.metadata, &events)
-				if err != nil || len(events.FileBank_TransferReport) > 0 {
+				if err != nil {
+					if len(events.FileBank_TransferReport) > 0 {
+						return txhash, events.FileBank_TransferReport[0].Failed_list, nil
+					} else {
+						return txhash, nil, nil
+					}
+				}
+				if len(events.FileBank_TransferReport) > 0 {
 					return txhash, events.FileBank_TransferReport[0].Failed_list, nil
 				}
 				return txhash, nil, errors.New(pattern.ERR_Failed)
@@ -1086,9 +1099,15 @@ func (c *ChainSDK) ReplaceIdleFiles(roothash []pattern.FileHash) (string, []patt
 					return txhash, nil, errors.Wrap(err, "[GetStorageRaw]")
 				}
 				err = types.EventRecordsRaw(*h).DecodeEventRecords(c.metadata, &events)
-				if err != nil || len(events.FileBank_ReplaceFiller) > 0 {
+				if err != nil {
+					if len(events.FileBank_ReplaceFiller) > 0 {
+						return txhash, events.FileBank_ReplaceFiller[0].Filler_list, nil
+					}
 					return txhash, nil, nil
 				}
+				if len(events.FileBank_ReplaceFiller) > 0 {
+					return txhash, events.FileBank_ReplaceFiller[0].Filler_list, nil
+				}
 				return txhash, nil, errors.New(pattern.ERR_Failed)
 			}
 		case err = <-sub.Err():
diff --git a/go.mod b/go.mod
index bda6ddc..f01843d 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/CESSProject/cess-go-sdk
 go 1.19
 
 require (
-	github.com/CESSProject/p2p-go v0.0.33
+	github.com/CESSProject/p2p-go v0.0.34
 	github.com/btcsuite/btcutil v1.0.3-0.20201208143702-a53e38424cce
 	github.com/cbergoon/merkletree v0.2.0
 	github.com/centrifuge/go-substrate-rpc-client/v4 v4.0.13
diff --git a/go.sum b/go.sum
index 334d4fb..b4bace0 100644
--- a/go.sum
+++ b/go.sum
@@ -40,8 +40,8 @@ dmitri.shuralyov.com/state v0.0.0-20180228185332-28bcc343414c/go.mod h1:0PRwlb0D
 git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/CESSProject/p2p-go v0.0.33 h1:2EXMEa1RAFHWfRTd5O6pyKQMBIbpsedIJvlYAFX/Qp0=
-github.com/CESSProject/p2p-go v0.0.33/go.mod h1:MmuZ2UfXnEJMZMhOCC4Ec5QQUJCT7j2yg3Xk/oZ16yw=
+github.com/CESSProject/p2p-go v0.0.34 h1:KgWA/kvJq8M4EtmZ1jcP33udx8OJeIbVKcJXIGmi6SE=
+github.com/CESSProject/p2p-go v0.0.34/go.mod h1:MmuZ2UfXnEJMZMhOCC4Ec5QQUJCT7j2yg3Xk/oZ16yw=
 github.com/ChainSafe/go-schnorrkel v1.0.0 h1:3aDA67lAykLaG1y3AOjs88dMxC88PgUuHRrLeDnvGIM=
 github.com/ChainSafe/go-schnorrkel v1.0.0/go.mod h1:dpzHYVxLZcp8pjlV+O+UR8K0Hp/z7vcchBSbMBEhCw4=
 github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6 h1:fLjPD/aNc3UIOA6tDi6QXUemppXK3P9BI7mr2hd6gx8=