更改：readme特殊处理斜杠

app/helpers/repositories_helper.rb

@@ -157,6 +157,7 @@ module RepositoriesHelper
           ext = File.extname(s_content)[1..-1]
           ext = ext.split("?")[0] if ext.include?("?")
           if (image_type?(ext) || download_type(ext)) && !ext.blank?
+            s_content = s_content.starts_with?("/") ? s_content[1..-1] : s_content[0..-1]
             s_content = File.expand_path(s_content, file_path)
             s_content = s_content.split("#{Rails.root}/")[1]
             # content = content.gsub(s[0], "/#{s_content}")