diff --git a/setup/update_scripts/update-drom-2.4-to-2.4.1.php b/setup/update_scripts/update-drom-2.4-to-2.4.1.php
index 15bf9d9e..c3d19974 100644
--- a/setup/update_scripts/update-drom-2.4-to-2.4.1.php
+++ b/setup/update_scripts/update-drom-2.4-to-2.4.1.php
@@ -3,12 +3,13 @@
  * @Author: printempw
  * @Date:   2016-04-04 08:47:35
  * @Last Modified by:   printempw
- * @Last Modified time: 2016-04-04 08:48:06
+ * @Last Modified time: 2016-04-05 14:32:42
  */
 
 if (!defined('BASE_DIR')) exit('请运行 /setup/update.php 来升级');
 
 if (Option::get('current_version') == "2.4") {
     Option::set('current_version', '2.4.1');
+    if (Option::get('encryption') == "") Option::set('encryption', 'MD5');
     echo "已成功升级至 v2.4.1";
 }
diff --git a/setup/update_scripts/update-from-2.4.1-to-2.4.2.php b/setup/update_scripts/update-from-2.4.1-to-2.4.2.php
new file mode 100644
index 00000000..0ba339bb
--- /dev/null
+++ b/setup/update_scripts/update-from-2.4.1-to-2.4.2.php
@@ -0,0 +1,28 @@
+<?php
+/**
+ * @Author: printempw
+ * @Date:   2016-04-05 14:33:00
+ * @Last Modified by:   printempw
+ * @Last Modified time: 2016-04-05 14:41:27
+ */
+
+if (!defined('BASE_DIR')) exit('请运行 /setup/update.php 来升级');
+
+if (Option::get('current_version') == "2.4.1") {
+
+    if (Option::get('encryption') == "") Option::set('encryption', 'MD5');
+
+    $db = new Database('options');
+
+    $table_name = DB_PREFIX."users";
+    $sqls[0] = "ALTER TABLE `$table_name` CHANGE `hash_steve` `hash_steve` VARCHAR(64) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL DEFAULT ''";
+    $sqls[1] = "ALTER TABLE `$table_name` CHANGE `hash_alex`  `hash_alex`  VARCHAR(64) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL DEFAULT ''";
+    $sqls[2] = "ALTER TABLE `$table_name` CHANGE `hash_cape`  `hash_cape`  VARCHAR(64) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL DEFAULT ''";
+
+    foreach ($sqls as $sql) {
+        $db->query($sql);
+    }
+
+    Option::set('current_version', '2.4.2');
+    echo "已成功升级至 v2.4.2";
+}