diff --git a/install.sh b/install.sh
index d23ae0b..4cd1f46 100755
--- a/install.sh
+++ b/install.sh
@@ -98,7 +98,8 @@ JSON
   if command -v npm >/dev/null 2>&1; then
     info "构建前端静态产物…"
     ( cd web && npm ci && npm run build:static )
-    rm -rf server/webui/dist && cp -r web/out server/webui/dist
+    mkdir -p server/webui/dist
+    cp -r web/out/. server/webui/dist/
     info "编译内嵌单二进制…"
     CGO_ENABLED=0 go build -tags embedui -trimpath -o artex ./cmd/artex
   else
diff --git a/update.sh b/update.sh
index 10cfbbc..8072f37 100755
--- a/update.sh
+++ b/update.sh
@@ -59,7 +59,8 @@ update_local(){
   if command -v npm >/dev/null 2>&1; then
     info "重建前端静态产物…"
     ( cd web && npm ci && npm run build:static )
-    rm -rf server/webui/dist && cp -r web/out server/webui/dist
+    mkdir -p server/webui/dist
+    cp -r web/out/. server/webui/dist/
     info "重新编译内嵌单二进制…"
     CGO_ENABLED=0 go build -tags embedui -trimpath -o artex ./cmd/artex
   else