diff --git a/database/new.go b/database/new.go
index 5168eda..f66f8cb 100644
--- a/database/new.go
+++ b/database/new.go
@@ -15,7 +15,7 @@ import (
 
 var (
 	// MigrateTables 存储需要在数据库初始化时自动迁移的表
-	MigrateTables []any = make([]any, 0)
+	MigrateTables []any
 )
 
 // NewDatabase 根据提供的驱动类型创建新的数据库连接
@@ -25,6 +25,7 @@ var (
 // options: 数据库连接选项
 // 返回: GORM数据库实例
 func NewDatabase(driver string, dsn []string, options *types.SqlOptions) (db *gorm.DB, err error) {
+	MigrateTables = make([]any, 0)
 	driver = strings.ToLower(driver)
 	switch driver {
 	case "mysql":
@@ -138,5 +139,8 @@ func NewPostgres(dsn []string, options *types.SqlOptions) (gormDb *gorm.DB, err
 //
 // - table: 需要自动迁移的表
 func AppendMigrate(table any) {
+	if MigrateTables == nil {
+		MigrateTables = make([]any, 0)
+	}
 	MigrateTables = append(MigrateTables, table)
 }