diff --git a/app/services/subjects/copy_subject_service.rb b/app/services/subjects/copy_subject_service.rb
index 51eaf9342..5f8481cae 100644
--- a/app/services/subjects/copy_subject_service.rb
+++ b/app/services/subjects/copy_subject_service.rb
@@ -66,10 +66,10 @@ class Subjects::CopySubjectService < ApplicationService
       to_shixun.laboratory_id = laboratory.id
     end
     # 复制版本库
-    # fork_repository_name = "#{user.login}/#{to_shixun.identifier}"
-    # GitService.fork_repository(repo_path: "#{shixun.repo_name}.git",
-    #                            fork_repository_path: (fork_repository_name + ".git"))
-    # to_shixun.repo_name = fork_repository_name
+    fork_repository_name = "#{user.login}/#{to_shixun.identifier}"
+    GitService.fork_repository(repo_path: "#{shixun.repo_name}.git",
+                               fork_repository_path: (fork_repository_name + ".git"))
+    to_shixun.repo_name = fork_repository_name
     to_shixun.save!
 
     copy_shixun_info_data!(shixun, to_shixun)