diff --git a/pkg/database/options.go b/pkg/database/options.go
index 7541a40..27d0793 100644
--- a/pkg/database/options.go
+++ b/pkg/database/options.go
@@ -17,6 +17,8 @@ type DBOption struct {
 const (
 	// 默认的数据库配置文件路径
 	DefaultConfigPath = "/cfg/db.yaml"
+	// 数据库配置文件路径环境变量
+	ConfigPathEnvKey = "DB_CONFIG_PATH"
 )
 
 func LoadDBConfig(path string) (*DBOption, error) {