fix: tunnel service issue

build_windows.bat

@@ -3,7 +3,7 @@ set GOOS=windows
 set GOARCH=amd64
 set CC=x86_64-w64-mingw32-gcc
 set CGO_ENABLED=1
-curl http://localhost:18020/exit || echo "Exited"
+go run ./cli tunnel exit
 del bin\libcore.dll bin\HiddifyCli.exe
 set CGO_LDFLAGS=
 go build -trimpath -tags with_gvisor,with_quic,with_wireguard,with_ech,with_utls,with_clash_api,with_grpc -ldflags="-w -s" -buildmode=c-shared -o bin/libcore.dll ./custom