diff --git a/Application/Home/Controller/ArticleController.class.php b/Application/Home/Controller/ArticleController.class.php
index 7c0e2af26..0ccce084d 100644
--- a/Application/Home/Controller/ArticleController.class.php
+++ b/Application/Home/Controller/ArticleController.class.php
@@ -82,6 +82,9 @@ class ArticleController extends HomeController {
 		$field = 'id as document_id,category_id';
 		$decumentData = M('document')->field($field)->where("id={$id}")->find();
 		$promote_id = get_pid();
+		if(empty($promote_id)) {
+			$promote_id = 0;
+		}
 		foreach ($decumentData as $key => $value) {
             $decumentData['promote_id'] = $promote_id;
             $decumentData['create_time'] = time();