diff --git a/sdk/mock_sdk_interface.go b/sdk/mock_sdk_interface.go
index 40608b77820287e40e4bf9e4652c1e8c6c43ab59..43daaddd1c46ba2fe5faf73e19f9f71d6eb76e77 100644
--- a/sdk/mock_sdk_interface.go
+++ b/sdk/mock_sdk_interface.go
@@ -398,6 +398,38 @@ func (mr *MockSDKInterfaceMockRecorder) GetStateFromKeyByte(key interface{}) *go
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetStateFromKeyByte", reflect.TypeOf((*MockSDKInterface)(nil).GetStateFromKeyByte), key)
 }
 
+// GetStateFromKeyWithExists mocks base method.
+func (m *MockSDKInterface) GetStateFromKeyWithExists(key string) (string, bool, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetStateFromKeyWithExists", key)
+	ret0, _ := ret[0].(string)
+	ret1, _ := ret[1].(bool)
+	ret2, _ := ret[2].(error)
+	return ret0, ret1, ret2
+}
+
+// GetStateFromKeyWithExists indicates an expected call of GetStateFromKeyWithExists.
+func (mr *MockSDKInterfaceMockRecorder) GetStateFromKeyWithExists(key interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetStateFromKeyWithExists", reflect.TypeOf((*MockSDKInterface)(nil).GetStateFromKeyWithExists), key)
+}
+
+// GetStateWithExists mocks base method.
+func (m *MockSDKInterface) GetStateWithExists(key, field string) (string, bool, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetStateWithExists", key, field)
+	ret0, _ := ret[0].(string)
+	ret1, _ := ret[1].(bool)
+	ret2, _ := ret[2].(error)
+	return ret0, ret1, ret2
+}
+
+// GetStateWithExists indicates an expected call of GetStateWithExists.
+func (mr *MockSDKInterfaceMockRecorder) GetStateWithExists(key, field interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetStateWithExists", reflect.TypeOf((*MockSDKInterface)(nil).GetStateWithExists), key, field)
+}
+
 // GetTxId mocks base method.
 func (m *MockSDKInterface) GetTxId() (string, error) {
 	m.ctrl.T.Helper()
diff --git a/sdk/sdk.go b/sdk/sdk.go
index 7764266be1456c3b9ebc6e57822f866672343471..bbd69781ef8ed46018085df83fdc5711889fc930 100644
--- a/sdk/sdk.go
+++ b/sdk/sdk.go
@@ -119,28 +119,24 @@ func (s *SDK) GetArgs() map[string][]byte {
 }
 
 func (s *SDK) GetState(key, field string) (string, error) {
-	s.sandboxLogger.Debugf("get state for [%s#%s]", key, field)
-	if err := protocol.CheckKeyFieldStr(key, field); err != nil {
+	// get from chain maker
+	value, err := s.GetStateByte(key, field)
+	if err != nil {
 		return "", err
 	}
+	return string(value), nil
+}
 
-	// get from write set
-	if value, done := s.getFromWriteSet(key, field); done {
-		s.putIntoReadSet(key, field, value)
-		return string(value), nil
-	}
-
-	// get from read set
-	if value, done := s.getFromReadSet(key, field); done {
-		return string(value), nil
-	}
-
+func (s *SDK) GetStateWithExists(key, field string) (string, bool, error) {
 	// get from chain maker
-	value, err := s.getState(key, field)
+	value, err := s.GetStateByte(key, field)
 	if err != nil {
-		return "", err
+		return "", false, err
 	}
-	return string(value), nil
+	if value == nil {
+		return "", false, nil
+	}
+	return string(value), true, nil
 }
 
 func (s *SDK) GetBatchState(batchKeys []*vmPb.BatchKey) ([]*vmPb.BatchKey, error) {
@@ -207,49 +203,15 @@ func (s *SDK) GetStateByte(key, field string) ([]byte, error) {
 }
 
 func (s *SDK) GetStateFromKey(key string) (string, error) {
-	s.sandboxLogger.Debugf("get state for [%s#%s]", key, "")
-	if err := protocol.CheckKeyFieldStr(key, ""); err != nil {
-		return "", err
-	}
-
-	// get from write set
-	if value, done := s.getFromWriteSet(key, ""); done {
-		s.putIntoReadSet(key, "", value)
-		return string(value), nil
-	}
-
-	// get from read set
-	if value, done := s.getFromReadSet(key, ""); done {
-		return string(value), nil
-	}
+	return s.GetState(key, "")
+}
 
-	// get from chain maker
-	value, err := s.getState(key, "")
-	if err != nil {
-		return "", err
-	}
-	return string(value), nil
+func (s *SDK) GetStateFromKeyWithExists(key string) (string, bool, error) {
+	return s.GetStateWithExists(key, "")
 }
 
 func (s *SDK) GetStateFromKeyByte(key string) ([]byte, error) {
-	s.sandboxLogger.Debugf("get state for [%s#%s]", key, "")
-	if err := protocol.CheckKeyFieldStr(key, ""); err != nil {
-		return nil, err
-	}
-
-	// get from write set
-	if value, done := s.getFromWriteSet(key, ""); done {
-		s.putIntoReadSet(key, "", value)
-		return value, nil
-	}
-
-	// get from read set
-	if value, done := s.getFromReadSet(key, ""); done {
-		return value, nil
-	}
-
-	// get from chain maker
-	return s.getState(key, "")
+	return s.GetStateByte(key, "")
 }
 
 func (s *SDK) getBatchState(batchKeys []*vmPb.BatchKey) ([]*vmPb.BatchKey, error) {
@@ -850,37 +812,7 @@ func (s *SDK) NewHistoryKvIterForKey(key, field string) (KeyHistoryKvIter, error
 }
 
 func (s *SDK) GetSenderAddr() (string, error) {
-	if s.origin != "" {
-		return s.origin, nil
-	}
-
-	responseCh := make(chan *protogo.DockerVMMessage, 1)
-	respNotify := func(msg *protogo.DockerVMMessage) {
-		responseCh <- msg
-	}
-
-	getSenderAddrReq := &protogo.DockerVMMessage{
-		ChainId:        s.chainId,
-		TxId:           s.txId,
-		Type:           protogo.DockerVMType_GET_SENDER_ADDRESS_REQUEST,
-		CrossContext:   s.crossCtx,
-		SysCallMessage: nil,
-		Response:       nil,
-		Request:        nil,
-	}
-
-	s.sendSysCallRequestWithRespNotify(getSenderAddrReq, respNotify)
-
-	result := <-responseCh
-
-	if result.SysCallMessage.Code == protocol.ContractSdkSignalResultFail {
-		return "", errors.New(result.SysCallMessage.Message)
-	}
-
-	origin := string(result.SysCallMessage.Payload[KeySenderAddr])
-	s.origin = origin
-
-	return origin, nil
+	return s.Origin()
 }
 
 func (s *SDK) Sender() (string, error) {
@@ -891,38 +823,7 @@ func (s *SDK) Sender() (string, error) {
 			return s.senderAddress, nil
 		}
 	}
-
-	if s.origin != "" {
-		return s.origin, nil
-	}
-
-	responseCh := make(chan *protogo.DockerVMMessage, 1)
-	respNotify := func(msg *protogo.DockerVMMessage) {
-		responseCh <- msg
-	}
-
-	getSenderAddrReq := &protogo.DockerVMMessage{
-		ChainId:        s.chainId,
-		TxId:           s.txId,
-		Type:           protogo.DockerVMType_GET_SENDER_ADDRESS_REQUEST,
-		CrossContext:   s.crossCtx,
-		SysCallMessage: nil,
-		Response:       nil,
-		Request:        nil,
-	}
-
-	s.sendSysCallRequestWithRespNotify(getSenderAddrReq, respNotify)
-
-	result := <-responseCh
-
-	if result.SysCallMessage.Code == protocol.ContractSdkSignalResultFail {
-		return "", errors.New(result.SysCallMessage.Message)
-	}
-
-	origin := string(result.SysCallMessage.Payload[KeySenderAddr])
-	s.origin = origin
-
-	return origin, nil
+	return s.Origin()
 }
 
 func (s *SDK) Origin() (string, error) {
diff --git a/sdk/sdk_interface.go b/sdk/sdk_interface.go
index 8a86099aa92d63707575f18f2d9a8a38e5db4665..8a13d93c762c941b557114e5b6c06bf1ab54ca29 100644
--- a/sdk/sdk_interface.go
+++ b/sdk/sdk_interface.go
@@ -29,31 +29,46 @@ type SDKInterface interface {
 	// GetArgs get arg from transaction parameters
 	// @return: 参数map
 	GetArgs() map[string][]byte
-	// GetState get [key, field] from chain and db
+	// GetState get [key, field] from chain
 	// @param key: 获取的参数名
 	// @param field: 获取的参数名
 	// @return1: 获取结果，格式为string
 	// @return2: 获取错误信息
+	// Deprecated
 	GetState(key, field string) (string, error)
-	// GetBatchState get [BatchKeys] from chain and db
+	// GetStateWithExists get [key, field] from chain
+	// @param key: 获取的参数名
+	// @param field: 获取的参数名
+	// @return1: 获取结果，格式为string
+	// @return2: 是否存在，bool, 字符串长度为0不代表不存在
+	// @return3: 获取错误信息
+	GetStateWithExists(key, field string) (string, bool, error)
+	// GetBatchState get [BatchKeys] from chain
 	// @param batchKey: 获取的参数名
 	// @return1: 获取结果
 	// @return2: 获取错误信息
 	GetBatchState(batchKeys []*vmPb.BatchKey) ([]*vmPb.BatchKey, error)
-	// GetStateByte get [key, field] from chain and db
+	// GetStateByte get [key, field] from chain
 	// @param key: 获取的参数名
 	// @param field: 获取的参数名
-	// @return1: 获取结果，格式为[]byte
+	// @return1: 获取结果，格式为[]byte, nil表示不存在
 	// @return2: 获取错误信息
 	GetStateByte(key, field string) ([]byte, error)
-	// GetStateFromKey get [key] from chain and db
+	// GetStateFromKey get [key] from chain
 	// @param key: 获取的参数名
 	// @return1: 获取结果，格式为string
 	// @return2: 获取错误信息
+	// Deprecated
 	GetStateFromKey(key string) (string, error)
-	// GetStateFromKeyByte get [key] from chain and db
+	// GetStateFromKeyWithExists get [key] from chain
 	// @param key: 获取的参数名
-	// @return1: 获取结果，格式为[]byte
+	// @return1: 获取结果，格式为string
+	// @return2: 是否存在，bool, 字符串长度为0不代表不存在
+	// @return3: 获取错误信息
+	GetStateFromKeyWithExists(key string) (string, bool, error)
+	// GetStateFromKeyByte get [key] from chain
+	// @param key: 获取的参数名
+	// @return1: 获取结果，格式为[]byte, nil表示不存在
 	// @return2: 获取错误信息
 	GetStateFromKeyByte(key string) ([]byte, error)
 	// PutState put [key, field, value] to chain
@@ -189,7 +204,7 @@ type SDKInterface interface {
 	// GetSenderAddr Get the address of the origin caller address, same with Origin()
 	// @return1: origin caller address
 	// @return2: 获取错误信息
-	//Deprecated
+	// Deprecated
 	GetSenderAddr() (string, error)
 	// Sender Get the address of the sender address, if the contract is called by another contract, the result will be
 	// the caller contract's address