diff --git a/src/router/router.js b/src/router/router.js
index 3eb63bd12..e22b4167b 100644
--- a/src/router/router.js
+++ b/src/router/router.js
@@ -303,6 +303,7 @@
                     try {
                         resultParam = decodeURIComponent(param);
                     } catch (e) {
+                        resultParam = param;
                     }
                 }
                 return resultParam;