diff --git a/app/Http/Controllers/AdminController.php b/app/Http/Controllers/AdminController.php
index a044e11c..14881281 100644
--- a/app/Http/Controllers/AdminController.php
+++ b/app/Http/Controllers/AdminController.php
@@ -45,7 +45,7 @@ class AdminController extends Controller
 
             $form->group('max_upload_file_size', '最大允许上传大小', function($group) {
                 // main textbox
-                $group->text('max_upload_file_size', option('max_upload_file_size'));
+                $group->text('max_upload_file_size');
                 $group->addon('KB');
             })->hint('PHP 限制：'.ini_get('post_max_size').'，定义在 php.ini 中。');
 
@@ -58,7 +58,7 @@ class AdminController extends Controller
 
             $form->checkbox('auto_del_invalid_texture', '失效材质', '自动删除失效材质')->hint('自动从皮肤库中删除文件不存在的材质记录');
 
-            $form->textarea('comment_script', '评论代码', option('comment_script'), function($textarea) {
+            $form->textarea('comment_script', '评论代码', function($textarea) {
                 $textarea->setRows(6);
                 $textarea->setDescription('评论代码内可使用占位符，<code>{tid}</code> 将会被自动替换为材质的 id，<code>{name}</code> 会被替换为材质名称，<code>{url}</code> 会被替换为当前页面地址。');
             });
diff --git a/app/Services/OptionForm.php b/app/Services/OptionForm.php
index a1e051da..8be00362 100644
--- a/app/Services/OptionForm.php
+++ b/app/Services/OptionForm.php
@@ -51,11 +51,11 @@ class OptionForm
         return $select;
     }
 
-    public function textarea($id, $name, $value, $callback)
+    public function textarea($id, $name, $callback)
     {
         $item = $this->addItem('textarea', $id, $name);
 
-        $textarea = new OptionFormTextarea($id, $value);
+        $textarea = new OptionFormTextarea($id);
 
         call_user_func($callback, $textarea);
 
@@ -119,7 +119,7 @@ class OptionForm
                 }
             }
 
-            $this->success = true;
+            session()->flash($this->id.'.status', 'success');
         }
 
         return $this;
@@ -282,10 +282,14 @@ class OptionFormTextarea
 
     protected $description = "";
 
-    public function __construct($id, $value)
+    public function __construct($id)
     {
-        $this->id    = $id;
-        $this->value = $value;
+        $this->id = $id;
+    }
+
+    public function setContent($content)
+    {
+        $this->value = $content;
     }
 
     public function setRows($rows)
@@ -300,6 +304,10 @@ class OptionFormTextarea
 
     public function render()
     {
+        if (is_null($this->value)) {
+            $this->value = option($this->id);
+        }
+
         return view('vendor.option-form.textarea')->with([
             'rows' => $this->rows,
             'id' => $this->id,
@@ -320,18 +328,28 @@ class OptionFormGroup
         $this->id = $id;
     }
 
-    public function text($id, $value)
+    public function text($id, $value = null)
     {
-        $this->items[] = view('vendor.option-form.text')->withId($id)->withValue($value);
+        $this->items[] = ['type' => 'text', 'id' => $id, 'value' => $value];
     }
 
     public function addon($value)
     {
-        $this->items[] = view('vendor.option-form.addon')->withValue($value);
+        $this->items[] = ['type' => 'addon', 'id' => null, 'value' => $value];
     }
 
     public function render()
     {
-        return view('vendor.option-form.group')->with('items', $this->items);
+        $rendered = [];
+
+        foreach ($this->items as $item) {
+            if ($item['id'] && !$item['value']) {
+                $item['value'] = option($item['id']);
+            }
+
+            $rendered[] = view('vendor.option-form.'.$item['type'])->withId($item['id'])->withValue($item['value']);
+        }
+
+        return view('vendor.option-form.group')->with('items', $rendered);
     }
 }
diff --git a/resources/views/vendor/option-form/main.tpl b/resources/views/vendor/option-form/main.tpl
index 055d5709..85ace27a 100644
--- a/resources/views/vendor/option-form/main.tpl
+++ b/resources/views/vendor/option-form/main.tpl
@@ -5,7 +5,7 @@
     <form method="post">
         <input type="hidden" name="option" value="{{ $id }}">
         <div class="box-body">
-            @if ($success)
+            @if (session("$id.status") == 'success')
             <div class="callout callout-success">设置已保存。</div>
             @endif