diff --git a/migration/migrate_db.go b/migration/migrate_db.go
index 54305e5..abab984 100644
--- a/migration/migrate_db.go
+++ b/migration/migrate_db.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"github.com/OJ-lab/oj-lab-services/packages/application"
+	"github.com/OJ-lab/oj-lab-services/packages/mapper"
 	"github.com/OJ-lab/oj-lab-services/packages/model"
 	"github.com/sirupsen/logrus"
 )
@@ -12,5 +13,12 @@ func main() {
 	if err != nil {
 		panic("failed to migrate database")
 	}
+
+	mapper.CreateProblem(model.Problem{
+		Slug:        "hello-world",
+		Title:       "Hello! { ... }",
+		Description: `Write a program that prints "Hello! %s" to the standard output (stdout).`,
+	})
+
 	logrus.Info("migrate tables success")
 }