diff --git a/convention.php b/convention.php
index 24b2f173..b12b3589 100644
--- a/convention.php
+++ b/convention.php
@@ -136,8 +136,9 @@ return [
     // +----------------------------------------------------------------------
     // | 数据库设置
     // +----------------------------------------------------------------------
-
-    'db_like_fields'        => '',
+    
+    // 是否启用多状态数据库配置 如果启用的话 需要跟随app_status配置不同的数据库信息
+    'use_db_switch'        => false,
     'database'              => [
         // 数据库类型
         'type'        => 'mysql',
diff --git a/library/think/db.php b/library/think/db.php
index 6fadfcf0..f4264937 100644
--- a/library/think/db.php
+++ b/library/think/db.php
@@ -54,6 +54,9 @@ class Db
     {
         if (empty($config)) {
             $config = Config::get('database');
+            if (Config::get('use_db_switch')) {
+                $config = $config[Config::get('app_status')];
+            }
         }
         if (is_string($config)) {
             return self::parseDsn($config);