diff --git a/pkg/db/postgres.go b/pkg/db/postgres.go
index dc0546f..c9fc041 100644
--- a/pkg/db/postgres.go
+++ b/pkg/db/postgres.go
@@ -3,7 +3,6 @@ package db
 import (
 	"cybertron/configs"
 	"cybertron/pkg/log"
-	"os"
 	"time"
 
 	"go.uber.org/zap"
@@ -18,7 +17,6 @@ func NewDBClient() *gorm.DB {
 	db, err := gorm.Open(postgres.Open(postgresConfig.GetPostgresDsn()), &gorm.Config{})
 	if err != nil {
 		logger.Error("database connection failed", zap.Error(err))
-		os.Exit(1)
 	}
 	sqlDB, err := db.DB()
 	if err != nil {