diff --git a/app/helpers/repositories_helper.rb b/app/helpers/repositories_helper.rb
index cd21b4e85..8c6338937 100644
--- a/app/helpers/repositories_helper.rb
+++ b/app/helpers/repositories_helper.rb
@@ -120,13 +120,18 @@ module RepositoriesHelper
         # 链接直接跳过不做替换
         next if s_content.starts_with?('http://') || s_content.starts_with?('https://') || s_content.starts_with?('mailto:') || s_content.blank?
         ext = File.extname(s_content)[1..-1]
-
+        repo_regex = /([a-zA-Z0-9_-]{4,15})\/[a-zA-Z0-9_-]+$/
         if (image_type?(ext) || download_type(ext)) && !s_content.to_s.end_with?('/')
-          s_content = File.expand_path(s_content, file_path)
-          s_content = s_content.split("#{Rails.root}/")[1]
-          # content = content.gsub(s[0], "/#{s_content}")
-          s_content = [base_url, "/api/#{owner&.login}/#{repo.identifier}/raw?filepath=#{s_content}&ref=#{ref}"].join
-          content = content.gsub(s[0], s_content)
+          if s_content.to_s.scan(repo_regex).size > 0
+            s_content = [base_url, '/', s_content].join 
+            content = content.gsub(s[0], s_content)
+          else
+            s_content = File.expand_path(s_content, file_path)
+            s_content = s_content.split("#{Rails.root}/")[1]
+            # content = content.gsub(s[0], "/#{s_content}")
+            s_content = [base_url, "/api/#{owner&.login}/#{repo.identifier}/raw?filepath=#{s_content}&ref=#{ref}"].join
+            content = content.gsub(s[0], s_content)
+          end
         else
           path = [owner&.login, repo&.identifier, 'tree', ref, file_path].join("/")
           s_content = File.expand_path(s_content, path)