diff --git a/.gitignore b/.gitignore
index 1c96bb4f..ef657ec0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@
 *.so
 *.dylib
 ./tape
+tape
 
 # Test binary, build with `go test -c`
 *.test
diff --git a/Makefile b/Makefile
index 6f3d880b..a761252d 100644
--- a/Makefile
+++ b/Makefile
@@ -9,8 +9,8 @@
 FABRIC_VERSION = latest
 INTERGATION_CASE = ANDLogic
 
-BASE_VERSION = 0.0.2 
-PREV_VERSION = 0.0.1
+BASE_VERSION = 0.1.3
+PREV_VERSION = 0.1.2
 
 PROJECT_NAME = tape
 DOCKERIMAGE = guoger/tape
@@ -35,7 +35,7 @@ GO_TAGS ?=
 
 export GO_LDFLAGS GO_TAGS FABRIC_VERSION INTERGATION_CASE
 
-tape:
+tape: 
 	@echo "Building tape program......"
 	go build -tags "$(GO_TAGS)" -ldflags "$(GO_LDFLAGS)" ./cmd/tape
 
diff --git a/README.md b/README.md
index 2ed648c3..55aa1f40 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ You could get `tape` in three ways:
 
 #### Binary
 
-Execute `./tape -c config.yaml -n 40000` to generate 40000 transactions to Fabric.
+Execute `./tape run -c config.yaml -n 40000` to generate 40000 transactions to Fabric.
 
 #### Docker
 
diff --git a/docs/gettingstarted.md b/docs/gettingstarted.md
index 16221a43..863666f9 100644
--- a/docs/gettingstarted.md
+++ b/docs/gettingstarted.md
@@ -55,7 +55,7 @@ docker build -t guoger/tape:latest .
 执行如下命令即可运行测试：
 
 ```
-./tape --config=config.yaml --number=40000
+./tape run --config=config.yaml --number=40000
 ```
 
 该命令的含义是，使用 config.yaml 作为配置文件，向 Fabric 网络发送40000条交易进行性能测试。 
diff --git a/pkg/infra/observer.go b/pkg/infra/observer.go
index 9ae8cfc8..163bb267 100644
--- a/pkg/infra/observer.go
+++ b/pkg/infra/observer.go
@@ -64,8 +64,8 @@ func CreateObserver(ctx context.Context, channel string, node Node, crypto *Cryp
 
 func (o *Observer) Start(errorCh chan error, blockCh chan<- *AddressedBlock, now time.Time) {
 	o.logger.Debugf("start observer for peer %s", o.Address)
-
 	for {
+		prevTime := time.Now()
 		r, err := o.d.Recv()
 		if err != nil {
 			errorCh <- err
@@ -78,6 +78,8 @@ func (o *Observer) Start(errorCh chan error, blockCh chan<- *AddressedBlock, now
 
 		fb := r.Type.(*peer.DeliverResponse_FilteredBlock)
 		o.logger.Debugf("receivedTime %8.2fs\tBlock %6d\tTx %6d\t Address %s\n", time.Since(now).Seconds(), fb.FilteredBlock.Number, len(fb.FilteredBlock.FilteredTransactions), o.Address)
+		o.logger.Infof("transactionLatency(ms) %d", time.Since(prevTime).Milliseconds())
+
 
 		blockCh <- &AddressedBlock{fb.FilteredBlock, o.index}
 	}