ranking的demo中初始化未赋值

[cseYang]

描述Bug

//此接口创建对象后并未对私有变量openDataContext赋值。
private void InitOpenDataContext()
{
    if (openDataContext == null)
    {
        WXOpenDataContext openDataContext = WX.GetOpenDataContext(new OpenDataContextOption
        {
            sharedCanvasMode = selectedCanvasType
        });
    }
}

运行环境

windows