diff --git a/convention.php b/convention.php
index dc61842e..020f24be 100644
--- a/convention.php
+++ b/convention.php
@@ -154,8 +154,6 @@ return [
     // | 数据库设置
     // +----------------------------------------------------------------------
 
-    // 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,
     'db_fields_strict'       => true,
     'database'               => [
         // 数据库类型
diff --git a/library/think/Db.php b/library/think/Db.php
index 408a1015..90237a63 100644
--- a/library/think/Db.php
+++ b/library/think/Db.php
@@ -61,10 +61,6 @@ class Db
     {
         if (empty($config)) {
             $config = Config::get('database');
-            if (Config::get('use_db_switch')) {
-                $status = Config::get('app_status');
-                $config = $config[$status ?: 'default'];
-            }
         } elseif (is_string($config) && false === strpos($config, '/')) {
             // 支持读取配置参数
             $config = Config::get($config);