diff --git a/README-en.md b/README-en.md
index 7442110..036932c 100644
--- a/README-en.md
+++ b/README-en.md
@@ -27,7 +27,7 @@ DTM is the first golang open source distributed transaction project. It elegantl
 
 # Quick start
 ### installation
-`git clone github.com/yedf/dtm`
+`git clone https://github.com/yedf/dtm`
 ### dtm depends on mysql
 
 Configure mysql：  
diff --git a/README.md b/README.md
index 7126ccb..11efa15 100644
--- a/README.md
+++ b/README.md
@@ -64,7 +64,7 @@ DTM是首款golang的开源分布式事务管理器，优雅的解决了幂等
 
 # 快速开始
 ### 安装
-`git get -u github.com/yedf/dtm`
+`git clone https://github.com/yedf/dtm`
 ### dtm依赖于mysql
 
 配置mysql：  
diff --git a/app/main.go b/app/main.go
index 09cafb1..1e28dd3 100644
--- a/app/main.go
+++ b/app/main.go
@@ -5,7 +5,6 @@ import (
 	"time"
 
 	"github.com/sirupsen/logrus"
-	"github.com/yedf/dtm/common"
 	"github.com/yedf/dtm/dtmsvr"
 	"github.com/yedf/dtm/examples"
 )
@@ -20,11 +19,6 @@ func wait() {
 }
 
 func main() {
-	var a, b interface{}
-	common.MustUnmarshalString("{\"a\": 1}", &a)
-	common.MustUnmarshalString("[1, 2]", &b)
-	logrus.Printf("a is: %v, b is: %v", a, b)
-	os.Exit(0)
 	if len(os.Args) > 1 && os.Args[1] == "dtmsvr" { // 实际运行，只启动dtmsvr，不重新load数据
 		dtmsvr.MainStart()
 		wait()