diff --git a/packages/fes-preset-built-in/src/utils/generateFiles.js b/packages/fes-preset-built-in/src/utils/generateFiles.js
index b3be02d0..06b55b57 100644
--- a/packages/fes-preset-built-in/src/utils/generateFiles.js
+++ b/packages/fes-preset-built-in/src/utils/generateFiles.js
@@ -34,6 +34,7 @@ export default async ({ api, watch }) => {
                 await generate();
             }, 100)
         );
+        watchers.push(watcher);
     }
 
     if (watch) {