diff --git a/.env b/.env
index 9c13fa88..6acdc4bd 100644
--- a/.env
+++ b/.env
@@ -1,4 +1,4 @@
 [APP]
 NAME = Lsky Pro
-DEBUG = true
+DEBUG = false
 TRACE = false
diff --git a/application/index/controller/Install.php b/application/index/controller/Install.php
index 1cf41e7d..47b4ab74 100644
--- a/application/index/controller/Install.php
+++ b/application/index/controller/Install.php
@@ -205,14 +205,46 @@ EOT;
                         $config['database'],
                         $config['hostport']
                     );
-                    if ($mysqli->connect_error) {
+                    if ($mysqli->connect_errno) {
                         $mysqli->close();
                         throw new Exception($mysqli->connect_error);
                     }
+
+                    $mysqli->autocommit(false);
+                    $mysqli->select_db($config['database']);
                     $mysqli->query("SET NAMES utf8");
+
+                    // 新建表字段
+                    $tableFields = [
+                        'lsky_images' => [
+                            'folder_id' => 'ALTER TABLE `lsky_images` ADD `folder_id` INT NOT NULL DEFAULT \'0\' COMMENT \'文件夹ID\' AFTER `user_id`;'
+                        ]
+                    ];
+
+                    foreach ($tableFields as $table => $fields) {
+                        foreach ($fields as $field => $sql) {
+                            $fetchFields = $mysqli->query("DESCRIBE `{$table}`;");
+                            // 判断字段是否已存在
+                            $flag = true;
+                            foreach ($fetchFields as $fetchField) {
+                                if ($field == $fetchField['Field']) {
+                                    $flag = false;
+                                }
+                            }
+                            if ($flag) {
+                                if (!$mysqli->query($sql)) {
+                                    throw new Exception($mysqli->error);
+                                }
+                            }
+                        }
+                    }
+
                     if (!$mysqli->multi_query($file)) {
                         throw new Exception('数据写入失败');
                     }
+                    $mysqli->commit();
+                    $mysqli->autocommit(true);
+                    $mysqli->close();
                 }
                 $code = 1;
                 $msg = '更新成功，返回<a href="/">首页</a>';
@@ -223,6 +255,7 @@ EOT;
                 }
             }
         } catch (Exception $e) {
+            $mysqli->rollback();
             $code = 0;
             $msg = $e->getMessage();
         }
diff --git a/public/2018/12/26/5c22d7e678190.jpg b/public/2018/12/26/5c22d7e678190.jpg
new file mode 100644
index 00000000..766788fb
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diff --git a/public/2018/12/27/5c243dca1511c.jpeg b/public/2018/12/27/5c243dca1511c.jpeg
new file mode 100644
index 00000000..1eb5943f
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diff --git a/public/2018/12/27/5c24a076234c0.png b/public/2018/12/27/5c24a076234c0.png
new file mode 100644
index 00000000..d555b823
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diff --git a/update.sql b/update.sql
index 4abedd4e..8b68748a 100644
--- a/update.sql
+++ b/update.sql
@@ -31,18 +31,6 @@ UPDATE `lsky_config` SET `value` = 'kodo' WHERE `lsky_config`.`value` = 'qiniu';
 UPDATE `lsky_config` SET `value` = 'uss' WHERE `lsky_config`.`value` = 'upyun';
 
 -- v1.4.1
-DROP PROCEDURE IF EXISTS schema_change;
-DELIMITER //
-CREATE PROCEDURE schema_change() BEGIN
-DECLARE {database} VARCHAR(100);
-SELECT DATABASE() INTO {database};
-IF NOT EXISTS(SELECT 1 FROM information_schema.columns where table_schema='{database}' and table_name='lsky_images' and COLUMN_NAME='folder_id') THEN
-   ALTER TABLE `lsky_images` ADD `folder_id` INT NOT NULL DEFAULT '0' COMMENT '文件夹ID' AFTER `user_id`;
-END IF;
-END//
-DELIMITER ;
-CALL schema_change();
-
 CREATE TABLE IF NOT EXISTS `lsky_folders` (
   `id` int(11) PRIMARY KEY AUTO_INCREMENT NOT NULL COMMENT 'ID',
   `user_id` int(11) NOT NULL COMMENT '用户ID',