diff --git a/dtmsvr/dtmsvr_test.go b/dtmsvr/dtmsvr_test.go
index c714999..a898375 100644
--- a/dtmsvr/dtmsvr_test.go
+++ b/dtmsvr/dtmsvr_test.go
@@ -17,6 +17,21 @@ var DtmServer = examples.DtmServer
 var Busi = examples.Busi
 var app *gin.Engine
 
+func resetXaData() {
+	if config.DB["driver"] != "mysql" {
+		return
+	}
+	db := dbGet()
+	type XaRow struct {
+		Data string
+	}
+	xas := []XaRow{}
+	db.Must().Raw("xa recover").Scan(&xas)
+	for _, xa := range xas {
+		db.Must().Exec(fmt.Sprintf("xa rollback '%s'", xa.Data))
+	}
+}
+
 func TestMain(m *testing.M) {
 	TransProcessedTestChan = make(chan string, 1)
 	common.InitConfig(common.GetProjectDir(), &config)
@@ -32,7 +47,7 @@ func TestMain(m *testing.M) {
 	examples.TccBarrierAddRoute(app)
 	examples.SagaBarrierAddRoute(app)
 
-	examples.ResetXaData()
+	resetXaData()
 	m.Run()
 }
 
diff --git a/examples/main_xa.go b/examples/main_xa.go
index 8bfbf49..2f1b5b7 100644
--- a/examples/main_xa.go
+++ b/examples/main_xa.go
@@ -13,14 +13,6 @@ import (
 // XaClient XA client connection
 var XaClient *dtmcli.XaClient = nil
 
-func dbGet() *common.DB {
-	return common.DbGet(config.DB)
-}
-
-func sdbGet() *sql.DB {
-	return common.SdbGet(config.DB)
-}
-
 // XaSetup 挂载http的api，创建XaClient
 func XaSetup(app *gin.Engine) {
 	app.POST(BusiAPI+"/TransInXa", common.WrapHandler(xaTransIn))
@@ -74,19 +66,3 @@ func xaTransOut(c *gin.Context) (interface{}, error) {
 	e2p(err)
 	return M{"dtm_result": "SUCCESS"}, nil
 }
-
-// ResetXaData 1
-func ResetXaData() {
-	if config.DB["driver"] != "mysql" {
-		return
-	}
-	db := dbGet()
-	type XaRow struct {
-		Data string
-	}
-	xas := []XaRow{}
-	db.Must().Raw("xa recover").Scan(&xas)
-	for _, xa := range xas {
-		db.Must().Exec(fmt.Sprintf("xa rollback '%s'", xa.Data))
-	}
-}
diff --git a/examples/types.go b/examples/types.go
index fe7562d..0e0621b 100644
--- a/examples/types.go
+++ b/examples/types.go
@@ -1,6 +1,7 @@
 package examples
 
 import (
+	"database/sql"
 	"fmt"
 
 	"github.com/gin-gonic/gin"
@@ -52,3 +53,11 @@ func infoFromContext(c *gin.Context) *dtmcli.TransInfo {
 	}
 	return &info
 }
+
+func dbGet() *common.DB {
+	return common.DbGet(config.DB)
+}
+
+func sdbGet() *sql.DB {
+	return common.SdbGet(config.DB)
+}