diff --git a/deploy.sh b/deploy.sh
index fbfbb3d..674dfda 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -14,7 +14,7 @@
 
 set -euo pipefail
 
-SERVER="h2agent"
+SERVER="${SERVER:-h2agent}"
 REMOTE_DIR="/opt/govai"
 DOMAIN="gov.opc8ai.com"
 PROJECT_DIR="$(cd "$(dirname "$0")" && pwd)"
@@ -88,8 +88,9 @@ build_local() {
 
     log "编译 Next.js 前端..."
     cd "$PROJECT_DIR/apps/web"
+    rm -rf .next
     NEXT_PUBLIC_API_URL="http://localhost:8080" npm run build
-    log "前端编译完成"
+    log "前端编译完成 (.next: $(du -sh .next | cut -f1))"
     cd "$PROJECT_DIR"
 }
 
@@ -101,17 +102,17 @@ upload() {
     log "停止服务以释放文件锁..."
     ssh $SERVER "systemctl stop govai-api govai-web 2>/dev/null || true"
 
-    log "上传后端二进制..."
-    scp "$PROJECT_DIR/dist/server" $SERVER:$REMOTE_DIR/server/server
+    log "上传后端二进制 (gzip 流)..."
+    gzip -c "$PROJECT_DIR/dist/server" | ssh $SERVER "gunzip -c > $REMOTE_DIR/server/server.new && mv -f $REMOTE_DIR/server/server.new $REMOTE_DIR/server/server && chmod +x $REMOTE_DIR/server/server"
 
     log "上传迁移文件..."
     rsync -az --delete "$PROJECT_DIR/server/migrations/" $SERVER:$REMOTE_DIR/migrations/
 
-    log "上传前端构建产物..."
-    rsync -az --delete "$PROJECT_DIR/apps/web/.next/" $SERVER:$REMOTE_DIR/web/.next/
-    rsync -az "$PROJECT_DIR/apps/web/public/" $SERVER:$REMOTE_DIR/web/public/ 2>/dev/null || true
-    scp "$PROJECT_DIR/apps/web/package.json" $SERVER:$REMOTE_DIR/web/
-    scp "$PROJECT_DIR/apps/web/next.config.ts" $SERVER:$REMOTE_DIR/web/
+    log "上传前端构建产物 (tar 压缩流, 排除 dev/cache)..."
+    tar czf - -C "$PROJECT_DIR/apps/web" \
+        --exclude='.next/dev' --exclude='.next/cache' \
+        .next public package.json next.config.ts \
+        | ssh $SERVER "rm -rf $REMOTE_DIR/web/.next && tar xzf - -C $REMOTE_DIR/web"
 
     log "上传完成"
 }