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一切正常，直到我从 Rails 5.1.6 切换到 5.2.0。现在我在尝试使用索引页面上的link_thumbnailer gem 加载帖子图像时遇到此错误。

 ArgumentError in Posts#index Can't resolve image into URL: undefined method `to_model' for #<LinkThumbnailer::Models::Image:0x00007fd96d873ec8>
    Did you mean?  to_yaml 

  <div class="image"><%= link_to (image_tag LinkThumbnailer.generate(post.url).images.first, image_stats: false), post_path(post), class: "ui tiny circular centered image"  %></div>
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you should use LinkThumbnailer.generate(post.url).images.first.src.to_s instead of LinkThumbnailer.generate(post.url).images.first

于 2019-05-31T11:01:15.420 回答