diff --git a/includes/classes/Database/Database.class.php b/includes/classes/Database/Database.class.php
index b534dabd..f201f062 100644
--- a/includes/classes/Database/Database.class.php
+++ b/includes/classes/Database/Database.class.php
@@ -3,7 +3,7 @@
  * @Author: printempw
  * @Date:   2016-02-02 21:59:06
  * @Last Modified by:   printempw
- * @Last Modified time: 2016-03-18 17:53:47
+ * @Last Modified time: 2016-03-18 18:43:11
  */
 
 namespace Database;
@@ -29,7 +29,8 @@ class Database implements EncryptInterface, SyncInterface
         if ($conn->connect_error)
             Utils::showErrorPage($conn->connect_errno,
                 "无法连接至 MySQL 服务器。请确认 config.php 中的配置是否正确：".$conn->connect_error);
-        self::checkTableExist($conn);
+        if (self::checkTableExist($conn))
+            Utils::showErrorPage(-1, "数据库中不存在 ".DB_PREFIX."users 或 ".DB_PREFIX."options 表。请先运行 /admin/install.php 进行安装。");
         if (!is_dir(BASE_DIR."/textures/"))
             Utils::showErrorPage(-1, "textures 文件夹不存在。请先运行 /admin/install.php 进行安装，或者手动放置一个。");
 
@@ -42,7 +43,8 @@ class Database implements EncryptInterface, SyncInterface
                 OR table_name ='".DB_PREFIX."options') AND TABLE_SCHEMA='".DB_NAME."'";
 
         if ($conn->query($sql)->num_rows != 2)
-            Utils::showErrorPage(-1, "数据库中不存在 ".DB_PREFIX."users 或 ".DB_PREFIX."options 表。请先运行 /admin/install.php 进行安装。");
+            return false;
+        return true;
     }
 
     public function query($sql) {