diff --git a/SrcJyPublic.js b/SrcJyPublic.js
index 07e0ca1b..5ca9fd38 100644
--- a/SrcJyPublic.js
+++ b/SrcJyPublic.js
@@ -337,7 +337,7 @@ function getHistory(){
     let h = [];
     let items = JSON.parse(fetch('hiker://history')).filter(v=> v.type!="网页浏览" && JSON.parse(v.params).title==MY_RULE.title).slice(0, 3);
     items.forEach(item=>{
-        let extra = JSON.parse(item.params).params;
+        let extra = Object.assign({}, JSON.parse(item.params).params || {});
         extra.cls = "historylist";
         h.push({
             title: item.title,