diff --git a/src/utils/mount.js b/src/utils/mount.js
index 53b8a52..44fd675 100644
--- a/src/utils/mount.js
+++ b/src/utils/mount.js
@@ -20,7 +20,7 @@ const DEFAULT_TIMEOUT = (() => {
         }
     }
     return defaultValue;
-})()
+})();
 
 class Mount {
   constructor(options = {}) {