diff --git a/v3/client/connection.go b/v3/client/connection.go
index 37884ead..2cec8e00 100644
--- a/v3/client/connection.go
+++ b/v3/client/connection.go
@@ -23,8 +23,6 @@ import (
 	"sync/atomic"
 	"time"
 
-	cache "github.com/patrickmn/go-cache"
-
 	"github.com/FISCO-BCOS/bcos-c-sdk/bindings/go/csdk"
 	"github.com/FISCO-BCOS/go-sdk/v3/types"
 	"github.com/ethereum/go-ethereum/common"
@@ -59,19 +57,19 @@ type Error interface {
 
 // Connection represents a connection to an RPC server.
 type Connection struct {
-	csdk                *csdk.CSDK
-	idCounter           int64
-	blockNumberNotify   func(int64)
-	notifyLock          sync.Mutex
-	transactionHandlers *cache.Cache
-	closed              bool
+	csdk              *csdk.CSDK
+	idCounter         int64
+	blockNumberNotify func(int64)
+	notifyLock        sync.Mutex
+	closed            bool
+	lock              sync.Mutex
 }
 
 type requestOp struct {
 	ids          []json.RawMessage
 	err          error
 	respChanData *csdk.CallbackChan
-	handler      func(*types.Receipt, error)
+	//handler      func(*types.Receipt, error)
 }
 
 type EventLogRespResult struct {
@@ -143,8 +141,9 @@ func NewConnectionByFile(configFile, groupID string, privateKey []byte) (*Connec
 	if err != nil {
 		return nil, err
 	}
-	c := &Connection{csdk: sdk, transactionHandlers: cache.New(defaultTransactionTimeout, cleanupInterval)}
-	go c.processTransactionResponses()
+	c := &Connection{
+		csdk: sdk,
+	}
 	return c, nil
 }
 
@@ -173,51 +172,42 @@ func NewConnection(config *Config) (*Connection, error) {
 	if err != nil {
 		return nil, err
 	}
-	c := &Connection{csdk: sdk, transactionHandlers: cache.New(defaultTransactionTimeout, cleanupInterval)}
-	go c.processTransactionResponses()
+	c := &Connection{
+		csdk: sdk,
+	}
 	return c, nil
 }
 func (c *Connection) GetCSDK() *csdk.CSDK {
 	return c.csdk
 }
 
-func (c *Connection) processTransactionResponses() {
-	for {
-		if !c.closed {
-			items := c.transactionHandlers.Items()
-			for key, item := range items {
-				op := item.Object.(*requestOp)
-				if len(op.respChanData.Data) > 0 {
-					go func() {
-						resp, _, err := op.waitRpcMessage()
-						if err != nil {
-							op.handler(nil, err)
-							return
-						}
-						if resp.Error != nil {
-							op.handler(nil, resp.Error)
-							return
-						}
-						if len(resp.Result) == 0 {
-							op.handler(nil, errors.New("result is null"))
-							return
-						}
-						var receipt types.Receipt
-						err = json.Unmarshal(resp.Result, &receipt)
-						if err != nil {
-							op.handler(nil, fmt.Errorf("unmarshal receipt error: %v", err))
-							return
-						}
-						op.handler(&receipt, nil)
-					}()
-					c.transactionHandlers.Delete(key)
-				}
-			}
-		} else {
+func wrapTransactionResponsesHandler(f func(*types.Receipt, error)) func([]byte, error) {
+	return func(bytes []byte, err error) {
+		var jrm jsonrpcMessage
+		if err != nil {
+			f(nil, err)
+			return
+		}
+		if err = json.Unmarshal(bytes, &jrm); err != nil {
+			f(nil, err)
+			return
+		}
+		if jrm.Error != nil {
+			f(nil, jrm.Error)
+			return
+		}
+		if len(jrm.Result) == 0 {
+			f(nil, errors.New("result is null"))
+			return
+		}
+		var receipt types.Receipt
+		err = json.Unmarshal(jrm.Result, &receipt)
+		if err != nil {
+			f(nil, fmt.Errorf("unmarshal receipt error: %v", err))
 			return
 		}
+		f(&receipt, nil)
 	}
-
 }
 
 func (c *Connection) nextID() int64 {
@@ -238,6 +228,14 @@ func (c *Connection) NewMessage(method string, paramsIn ...interface{}) (*jsonrp
 
 // Close closes the client, aborting any in-flight requests.
 func (c *Connection) Close() {
+	if c.closed {
+		return
+	}
+	c.lock.Lock()
+	defer c.lock.Unlock()
+	if c.closed {
+		return
+	}
 	c.closed = true
 	c.csdk.Close()
 }
@@ -340,7 +338,14 @@ func (c *Connection) Call(result interface{}, method string, args ...interface{}
 // can also pass nil, in which case the result is ignored.
 func (c *Connection) CallContext(ctx context.Context, result interface{}, method string, args ...interface{}) error {
 	//logrus.Infof("CallContext method:%s\n", method)
-	op := &requestOp{respChanData: &csdk.CallbackChan{Data: make(chan csdk.Response, 1)}}
+	op := &requestOp{respChanData: &csdk.CallbackChan{Data: nil}}
+
+	switch method {
+	case "asyncSendTransaction", "SendEncodedTransaction":
+	default:
+		op.respChanData.Data = make(chan csdk.Response, 1)
+	}
+
 	switch method {
 	case "call":
 		arg := args[0].(map[string]interface{})
@@ -404,67 +409,59 @@ func (c *Connection) CallContext(ctx context.Context, result interface{}, method
 	case "getPendingTxSize":
 		c.csdk.GetPendingTxSize(op.respChanData)
 	case "asyncSendTransaction":
-		fallthrough
+		data := hexutil.Encode(args[0].([]byte))
+		contractAddress := args[1].(string)
+		op.respChanData.Handler = wrapTransactionResponsesHandler(args[2].(func(*types.Receipt, error)))
+		var abiStr string
+		if len(args) >= 4 && len(contractAddress) == 0 {
+			abiStr = args[3].(string)
+		}
+		_, err := c.csdk.CreateAndSendTransaction(op.respChanData, contractAddress, data, abiStr, "", false)
+		if err != nil {
+			return err
+		}
 	case "sendTransaction":
-		fallthrough
+		data := hexutil.Encode(args[0].([]byte))
+		contractAddress := args[1].(string)
+		var abiStr string
+		if len(args) >= 3 && len(contractAddress) == 0 {
+			abiStr = args[2].(string)
+		}
+		_, err := c.csdk.CreateAndSendTransaction(op.respChanData, contractAddress, data, abiStr, "", false)
+		if err != nil {
+			return err
+		}
 	case "SendEncodedTransaction":
-		var handler func(*types.Receipt, error)
-		if method == "sendTransaction" {
-			data := hexutil.Encode(args[0].([]byte))
-			contractAddress := args[1].(string)
-			var abiStr string
-			if len(args) >= 3 && len(contractAddress) == 0 {
-				abiStr = args[2].(string)
-			}
-			_, err := c.csdk.CreateAndSendTransaction(op.respChanData, contractAddress, data, abiStr, "", false)
-			if err != nil {
-				return err
-			}
-		} else if method == "asyncSendTransaction" {
-			data := hexutil.Encode(args[0].([]byte))
-			contractAddress := args[1].(string)
-			handler = args[2].(func(*types.Receipt, error))
-			var abiStr string
-			if len(args) >= 4 && len(contractAddress) == 0 {
-				abiStr = args[3].(string)
-			}
-			_, err := c.csdk.CreateAndSendTransaction(op.respChanData, contractAddress, data, abiStr, "", false)
-			if err != nil {
-				return err
-			}
-		} else { // SendEncodedTransaction
-			encodedTransaction := args[0].([]byte)
-			withProof := args[1].(bool)
-			if len(args) >= 3 {
-				handler = args[2].(func(*types.Receipt, error))
-			}
-			err := c.csdk.SendEncodedTransaction(op.respChanData, encodedTransaction, withProof)
-			if err != nil {
-				return err
-			}
+		encodedTransaction := args[0].([]byte)
+		withProof := args[1].(bool)
+		if len(args) >= 3 {
+			op.respChanData.Handler = wrapTransactionResponsesHandler(args[2].(func(*types.Receipt, error)))
+		} else {
+			op.respChanData.Data = make(chan csdk.Response, 1)
 		}
-		// async send transaction
-		if handler != nil {
-			op.handler = handler
-			pointer := fmt.Sprintf("%p", op.respChanData)
-			c.transactionHandlers.Set(pointer, op, defaultTransactionTimeout)
-			return nil
+		err := c.csdk.SendEncodedTransaction(op.respChanData, encodedTransaction, withProof)
+		if err != nil {
+			return err
 		}
 	default:
 		return ErrNoRpcMethod
 	}
-
-	// dispatch has accepted the request and will close the channel when it quits.
-	switch resp, _, err := op.waitRpcMessage(); {
-	case err != nil:
-		return err
-	case resp.Error != nil:
-		return resp.Error
-	case len(resp.Result) == 0:
-		logrus.Errorf("result is null, %+v, err:%+v \n", resp, err)
-		return ErrNoResult
-	default:
-		return json.Unmarshal(resp.Result, &result)
+	// async send transaction
+	if op.respChanData.Handler != nil {
+		return nil
+	} else {
+		// dispatch has accepted the request and will close the channel when it quits.
+		switch resp, _, err := op.waitRpcMessage(); {
+		case err != nil:
+			return err
+		case resp.Error != nil:
+			return resp.Error
+		case len(resp.Result) == 0:
+			logrus.Errorf("result is null, %+v, err:%+v \n", resp, err)
+			return ErrNoResult
+		default:
+			return json.Unmarshal(resp.Result, &result)
+		}
 	}
 }
 
diff --git a/v3/go.mod b/v3/go.mod
index 82988dfc..2199afeb 100644
--- a/v3/go.mod
+++ b/v3/go.mod
@@ -5,12 +5,11 @@ go 1.21.5
 // replace github.com/FISCO-BCOS/bcos-c-sdk => ../../bcos-c-sdk
 
 require (
-	github.com/FISCO-BCOS/bcos-c-sdk v0.0.0-20240219081048-53240138c396
+	github.com/FISCO-BCOS/bcos-c-sdk v0.0.0-20240305024607-895d57002774
 	github.com/FISCO-BCOS/crypto v0.0.0-20200202032121-bd8ab0b5d4f1
 	github.com/TarsCloud/TarsGo v1.4.5
 	github.com/deckarep/golang-set/v2 v2.6.0
 	github.com/ethereum/go-ethereum v1.13.10
-	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/schollz/progressbar/v3 v3.14.1
 	github.com/sirupsen/logrus v1.9.3
 	github.com/spf13/cobra v1.5.0
@@ -81,6 +80,7 @@ require (
 	github.com/mmcloughlin/addchain v0.4.0 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
 	github.com/opentracing/opentracing-go v1.1.0 // indirect
+	github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
 	github.com/peterh/liner v1.1.1-0.20190123174540-a2c9a5303de7 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/prometheus/client_golang v1.12.0 // indirect
diff --git a/v3/go.sum b/v3/go.sum
index 79540be2..9353b7e4 100644
--- a/v3/go.sum
+++ b/v3/go.sum
@@ -40,8 +40,8 @@ github.com/CloudyKit/fastprinter v0.0.0-20170127035650-74b38d55f37a/go.mod h1:EF
 github.com/CloudyKit/jet v2.1.3-0.20180809161101-62edd43e4f88+incompatible/go.mod h1:HPYO+50pSWkPoj9Q/eq0aRGByCL6ScRlUmiEX5Zgm+w=
 github.com/DataDog/zstd v1.4.5 h1:EndNeuB0l9syBZhut0wns3gV1hL8zX8LIu6ZiVHWLIQ=
 github.com/DataDog/zstd v1.4.5/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=
-github.com/FISCO-BCOS/bcos-c-sdk v0.0.0-20240219081048-53240138c396 h1:VYwt+oviUo74Hb43ml9jEXC5DLJidNFrOp7lG6t8UTU=
-github.com/FISCO-BCOS/bcos-c-sdk v0.0.0-20240219081048-53240138c396/go.mod h1:n2KxbYa73MW3xdLVu2vpPpoblZMms+CwPmvFkubO9xM=
+github.com/FISCO-BCOS/bcos-c-sdk v0.0.0-20240305024607-895d57002774 h1:CgNdyFyNAHeg+3jxCQU+y5CtHawLvj5p1hCLmOH4ffQ=
+github.com/FISCO-BCOS/bcos-c-sdk v0.0.0-20240305024607-895d57002774/go.mod h1:n2KxbYa73MW3xdLVu2vpPpoblZMms+CwPmvFkubO9xM=
 github.com/FISCO-BCOS/crypto v0.0.0-20200202032121-bd8ab0b5d4f1 h1:ThPht4qK10+cMZC5COIjHPq0INm5HAMVYqrez5zEgFI=
 github.com/FISCO-BCOS/crypto v0.0.0-20200202032121-bd8ab0b5d4f1/go.mod h1:UrLdwsFrjiaCsvdcPLcH6B7s/FUmym3qfM93u2ziR+4=
 github.com/Joker/hpp v1.0.0/go.mod h1:8x5n+M1Hp5hC0g8okX3sR3vFQwynaX/UgSOM9MeBKzY=