diff --git a/docker/copy.sh b/docker/copy.sh
index 707f463..f46be4f 100755
--- a/docker/copy.sh
+++ b/docker/copy.sh
@@ -16,12 +16,12 @@ cp ../sql/wfc_user_db/wfc_user_db.sql ./mysql/db
 # copy html
 echo "begin copy system html "
 mkdir -p ./nginx/html/dist/sys
-rm -rf ./nginx/html/dist/sys
+rm -rf ./nginx/html/dist/sys/*
 cp -rf ../../fe.wfc/dist ./nginx/html/dist/sys/
 
 echo "begin copy user html "
 mkdir -p ./nginx/html/dist/u
-rm -rf ./nginx/html/dist/u
+rm -rf ./nginx/html/dist/u/*
 cp -rf ../../fe.wfc.user/dist/* ./nginx/html/dist/u/
 
 # copy jar