babalae/better-genshin-impact · error · InvalidDataException

图片大小超过 {MaxDownloadBytes / 1024 / 1024} MB 限制。

Error message

图片大小超过 {MaxDownloadBytes / 1024 / 1024} MB 限制。

What it means

Error "图片大小超过 {MaxDownloadBytes / 1024 / 1024} MB 限制。" thrown in babalae/better-genshin-impact.

Source

Thrown at BetterGenshinImpact/View/Controls/Markdown/MarkdownImageLoader.cs:92

            return cachedResult;
        }

        byte[] bytes;
        if (source.Scheme.Equals("data", StringComparison.OrdinalIgnoreCase))
        {
            bytes = DecodeDataUri(source.OriginalString);
        }
        else if (source.IsFile)
        {
            var fileInfo = new FileInfo(source.LocalPath);
            if (!fileInfo.Exists)
            {
                throw new FileNotFoundException("Markdown 图片不存在。", source.LocalPath);
            }

            if (fileInfo.Length > MaxDownloadBytes)
            {
                throw new InvalidDataException($"图片大小超过 {MaxDownloadBytes / 1024 / 1024} MB 限制。");
            }

            bytes = await File.ReadAllBytesAsync(fileInfo.FullName, cancellationToken);
        }
        else if (source.Scheme.Equals("pack", StringComparison.OrdinalIgnoreCase))
        {
            var resourceInfo = Application.GetResourceStream(source)
                               ?? throw new FileNotFoundException("找不到 Markdown pack 资源。", source.ToString());
            await using var resourceStream = resourceInfo.Stream;
            bytes = await ReadLimitedAsync(resourceStream, cancellationToken);
        }
        else if (source.Scheme is "http" or "https")
        {
            using var response = await HttpClient.GetAsync(source, HttpCompletionOption.ResponseHeadersRead, cancellationToken);
            response.EnsureSuccessStatusCode();
            if (response.Content.Headers.ContentLength > MaxDownloadBytes)
            {
                throw new InvalidDataException($"图片大小超过 {MaxDownloadBytes / 1024 / 1024} MB 限制。");

View on GitHub (pinned to a7cb36712d)

Solutions

1. 压缩图片使其小于大小限制后再引用
2. 引用更小的图片资源
3. 使用图床上压缩后的图片链接

Example fix

压缩图片或将图片体积降到限制以内再引用。

When it happens

Trigger: 图片字节数（本地文件长度、HTTP Content-Length 或流式累计读取）超过 MaxDownloadBytes 上限时抛出 InvalidDataException。

Common situations: Markdown 中嵌入了超大图片（超过设定MB数）。

AI-assisted analysis of babalae/better-genshin-impact@a7cb36712d (2026-08-13). Data as JSON: /api/errors/56d0bae127485500. Report an issue: GitHub.