diff --git a/aux/build-repo.sh b/aux/build-repo.sh
new file mode 100755
index 0000000..56b5e08
--- /dev/null
+++ b/aux/build-repo.sh
@@ -0,0 +1,2 @@
+sh -x
+docker build -f aux/Dockerfile-release -t yedf/dtm:lastest .
\ No newline at end of file
diff --git a/dtmsvr/api.go b/dtmsvr/api.go
index d49819f..11d06ca 100644
--- a/dtmsvr/api.go
+++ b/dtmsvr/api.go
@@ -12,7 +12,6 @@ import (
 )
 
 func addRoute(engine *gin.Engine) {
-	engine.GET("/api/ping", common.WrapHandler(func(c *gin.Context) (interface{}, error) { return "OK", nil }))
 	engine.POST("/api/dtmsvr/prepare", common.WrapHandler(prepare))
 	engine.POST("/api/dtmsvr/submit", common.WrapHandler(submit))
 	engine.POST("/api/dtmsvr/registerXaBranch", common.WrapHandler(registerXaBranch))