linux ubuntu2020 多窗口情况下 子窗口关闭会奔溃

[110jiangnan]

desktop_multi_window: 0.3.0
window_manager: 0.5.1

linux ubuntu2020 主窗口创建子窗口，子窗口调用 close() 关闭,奔溃报错
embedder.cc (2439): 'FlutterEngineRemoveView' returned 'kInvalidArguments'. Remove view info was invalid. The implicit view cannot be removed.

(com.example.untitled:23393): GLib-GObject-WARNING **: 21:24:10.081: g_object_weak_unref: couldn't find weak ref 0x7fae521e5e80(0x130f89f8)

** (com.example.untitled:23393): WARNING **: 21:24:10.081: RemoveWindow: 7c157b05-7ed3-4b3c-b4a0-84ce2892c8ab
Lost connection to device.
the Dart compiler exited unexpectedly.