diff --git a/app/controllers/subjects_controller.rb b/app/controllers/subjects_controller.rb
index d465179fd..614f86dbb 100644
--- a/app/controllers/subjects_controller.rb
+++ b/app/controllers/subjects_controller.rb
@@ -221,7 +221,7 @@ class SubjectsController < ApplicationController
       # 添加合作者
       @shixun.shixun_members.create!(user_id: current_user.id, role: 1)
       # 创建长字段
-      @shixun.shixun_info.create!(description: "")
+      ShixunInfo.create!(shixun_id: @shixun.id)
       # 创建版本库
       repo_path = repo_namespace(current_user.login, identifier)
       GitService.add_repository(repo_path: repo_path)