diff --git a/packages/fes-preset-built-in/src/utils/generateFiles.js b/packages/fes-preset-built-in/src/utils/generateFiles.js
index 06b55b57..d0db197d 100644
--- a/packages/fes-preset-built-in/src/utils/generateFiles.js
+++ b/packages/fes-preset-built-in/src/utils/generateFiles.js
@@ -20,6 +20,7 @@ export default async ({ api, watch }) => {
         watchers.forEach((watcher) => {
             watcher.close();
         });
+        watchers = [];
     }
 
     function createWatcher(path) {