diff --git a/yxt-yn/pre-deploy-pad.sh b/yxt-yn/pre-deploy-pad.sh
index 86de98c..0909c2a 100644
--- a/yxt-yn/pre-deploy-pad.sh
+++ b/yxt-yn/pre-deploy-pad.sh
@@ -58,7 +58,7 @@ echo -e "$echoPrefix cp -r $codePath/public/static/require-css $codePath/tmp/web
 cp -r $codePath/public/static/require-css $codePath/tmp/web/static/require-css
 
 echo -e "$echoPrefix cp -r $codePath/public/static/polyfill $codePath/tmp/web/static/polyfill $echoSuffix"
-cp -r $codePath/ $codePath/tmp/
+cp -r $codePath/public/static/polyfill $codePath/tmp/web/static/polyfill
 
 echo -e "$echoPrefix cp -r $codePath/public/static/jquery $codePath/tmp/web/static/jquery $echoSuffix"
 cp -r $codePath/public/static/jquery $codePath/tmp/web/static/jquery