diff --git a/src/router/router.js b/src/router/router.js
index 5ca13eda5..c180dc6ee 100644
--- a/src/router/router.js
+++ b/src/router/router.js
@@ -494,7 +494,7 @@
                 // getFragment 得到的值是编码过的,而this.fragment是没有编码过的
                 // 英文路径没有问题，遇上中文和空格有问题了
                 current = decodeURIComponent(current);
-            } catch {
+            } catch(e) {
             }
             // If the user pressed the back button, the iframe's hash will have
             // changed and we should use that for comparison.