diff --git a/example/ManageMysql/main.go b/example/ManageMysql/main.go
index b11ab7f..8f30dc2 100644
--- a/example/ManageMysql/main.go
+++ b/example/ManageMysql/main.go
@@ -6,12 +6,11 @@ import (
 )
 
 func main() {
-	_, err := tdx.NewManageMysql(&tdx.ManageConfig{
-		Number:          2,
-		CodesFilename:   "root:root@tcp(192.168.1.105:3306)/stock?charset=utf8mb4&parseTime=True&loc=Local",
-		WorkdayFileName: "root:root@tcp(192.168.1.105:3306)/stock?charset=utf8mb4&parseTime=True&loc=Local",
-		Dial:            nil,
-	})
+	_, err := tdx.NewManageMysql(
+		tdx.WithClients(2),
+		tdx.WithCodesDatabase("root:root@tcp(192.168.1.105:3306)/stock?charset=utf8mb4&parseTime=True&loc=Local"),
+		tdx.WithWorkdayDatabase("root:root@tcp(192.168.1.105:3306)/stock?charset=utf8mb4&parseTime=True&loc=Local"),
+	)
 	logs.PanicErr(err)
 	logs.Debug("done")
 }