diff --git a/res/js/component/history.js b/res/js/component/history.js
index b06c50067fb5a024c66af43971cfcdb1e342db21..e69bb885eaed24794a0b6fbe195c3de75ccb701b 100644
--- a/res/js/component/history.js
+++ b/res/js/component/history.js
@@ -33,6 +33,9 @@ class HistoryView {
     }
 
     add(item) {
+        if (item.query == "")
+            return;
+
         const idx = this.elements.map((item) => item.query).indexOf(item.query);
         if (idx !== -1) {
             this.list.removeChild(this.elements[idx].elem);