diff --git a/app/controllers/concerns/git_helper.rb b/app/controllers/concerns/git_helper.rb
index abedd4dda..d306c5298 100644
--- a/app/controllers/concerns/git_helper.rb
+++ b/app/controllers/concerns/git_helper.rb
@@ -38,7 +38,8 @@ module GitHelper
     rescue Exception => e
       Rails.logger.error(e.message)
       error_msg = e.message == "ERROR_UTF8" ? "文件无法预览" : "文档内容获取异常"
-      raise Educoder::TipException.new(error_msg)
+      error_status =  e.message == "ERROR_UTF8" ? -2 : -1
+      raise Educoder::TipException.new(error_status, error_msg)
     end
   end