修复install.php在Windows下的权限检测BUG

修复分组管理添加编辑时的BUG

public/assets/js/backend/auth/group.js

@@ -87,7 +87,7 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form', 'jstree'], function (
                         return false;
                     }
                     $.ajax({
-                        url: "ajax/roletree",
+                        url: "auth/group/roletree",
                         type: 'post',
                         dataType: 'json',
                         data: {id: id, pid: $(this).val()},

public/install.php

@@ -25,7 +25,7 @@ function is_really_writable($file)
     {
         return is_writable($file);
     }
-    if (!is_file($file) OR ( $fp = @fopen($file, FOPEN_WRITE_CREATE)) === FALSE)
+    if (!is_file($file) OR ( $fp = @fopen($file, "w+")) === FALSE)
     {
         return FALSE;
     }