diff --git a/queue/deal/spider_weibo_comment.php b/queue/deal/spider_weibo_comment.php
index 1efb52a..007a90f 100644
--- a/queue/deal/spider_weibo_comment.php
+++ b/queue/deal/spider_weibo_comment.php
@@ -51,7 +51,7 @@ class spiderWeiboComment extends dealBase {
         $weibo_id = $rq_data['weibo_id']+0;
         $max_id = $rq_data['max_id']+0;
         if($weibo_id+0 <= 0 || $max_id < 0) {
-            $obj->writeLog(ZHISHIKU_SPIDER_LOG, ZHISHIKU_SPIDER_COMMENT, 'queue:数据格式不正确:'.json_decode($rq_data));
+            $obj->writeLog(ZHISHIKU_SPIDER_LOG, ZHISHIKU_SPIDER_COMMENT, 'queue:数据格式不正确:'.json_encode($rq_data));
             exit;
         }