Index: /trunk/admin/common-zh-traditional-utf-8.lang.php
===================================================================
--- /trunk/admin/common-zh-traditional-utf-8.lang.php	(revision 936)
+++ /trunk/admin/common-zh-traditional-utf-8.lang.php	(revision 952)
@@ -119,4 +119,6 @@
 		'Editing Variable %s'
 		=> '正在编辑变量 %s',
+		'Set %s in config to enable'
+		=> '請在配置文件中設置 %s 啟用本功能',
 		''
 		=> '',
Index: /trunk/admin/common-zh-simplified-utf-8.lang.php
===================================================================
--- /trunk/admin/common-zh-simplified-utf-8.lang.php	(revision 936)
+++ /trunk/admin/common-zh-simplified-utf-8.lang.php	(revision 952)
@@ -119,4 +119,6 @@
 		'Editing Variable %s'
 		=> '正在编辑变量 %s',
+		'Set %s in config to enable'
+		=> '请在配置文件中设置 %s 启用本功能',
 		''
 		=> '',
Index: /trunk/admin/edit.tpl.php
===================================================================
--- /trunk/admin/edit.tpl.php	(revision 605)
+++ /trunk/admin/edit.tpl.php	(revision 952)
@@ -8,5 +8,10 @@
 		<legend><?php echo sprintf(_T("Editing Variable %s"), $h_name); ?></legend>
 		<textarea name="value" style="width: 100%; height: 200px; overflow-y: auto" <?php echo $editable ? "" : "disabled=disabled"; ?>><?php echo $h_value; ?></textarea><br>
-		<input type="submit">
+		<input type="submit" <?php echo $editable ? "" : "disabled=disabled"; ?>>
+		<?php
+		if (!$editable) {
+			echo sprintf(_T("Set %s in config to enable"), "\$config['enable_eval'] = true");
+		}
+		?>
 	</fieldset>
 </form>