diff --git a/app/forms/base_form.rb b/app/forms/base_form.rb
index 44b5109c3..19af61026 100644
--- a/app/forms/base_form.rb
+++ b/app/forms/base_form.rb
@@ -26,6 +26,16 @@ class BaseForm
     raise "项目标识已被使用." if Repository.where(user_id: user_id, identifier: repository_name.strip).exists?
   end
 
+  def check_gitea_repository_name(user_id, repository_name)
+    user_login = User.find_by_id(user_id)&.login
+    begin 
+      gitea_result = $gitea_client.get_repos_by_owner_repo(user_login, repository_name)
+      raise "项目标识已被使用." if gitea_result["id"].present?
+    rescue Gitea::Api::ServerError => e
+      raise "服务器错误，请联系系统管理员！" unless e.http_code.to_i == 404
+    end
+  end
+
   def check_project_name(user_id, project_name)
     raise "项目名称已被使用." if Project.where(user_id: user_id, name: project_name.strip).exists?
   end
diff --git a/app/forms/projects/create_form.rb b/app/forms/projects/create_form.rb
index 8ef7befac..cd2b9ffb5 100644
--- a/app/forms/projects/create_form.rb
+++ b/app/forms/projects/create_form.rb
@@ -16,6 +16,7 @@ class Projects::CreateForm < BaseForm
     check_project_language(project_language_id)
     check_project_name(user_id, name) unless name.blank?
     check_repository_name(user_id, repository_name) unless repository_name.blank?
+    check_gitea_repository_name(user_id, repository_name) unless repository_name.blank?
     check_blockchain_token_all(blockchain_token_all) unless blockchain_token_all.blank?
     check_blockchain_init_token(blockchain_init_token) unless blockchain_init_token.blank?
   end
diff --git a/app/forms/projects/migrate_form.rb b/app/forms/projects/migrate_form.rb
index 98ebbc7ac..649fcbb92 100644
--- a/app/forms/projects/migrate_form.rb
+++ b/app/forms/projects/migrate_form.rb
@@ -11,6 +11,7 @@ class Projects::MigrateForm < BaseForm
   validate do
     check_project_name(user_id, name) unless name.blank?
     check_repository_name(user_id, repository_name) unless repository_name.blank?
+    check_gitea_repository_name(user_id, repository_name) unless repository_name.blank?
     check_project_category(project_category_id)
     check_project_language(project_language_id)
     check_owner
diff --git a/app/forms/projects/update_form.rb b/app/forms/projects/update_form.rb
index 226b2dc59..e75858c5a 100644
--- a/app/forms/projects/update_form.rb
+++ b/app/forms/projects/update_form.rb
@@ -10,6 +10,7 @@ class Projects::UpdateForm < BaseForm
     check_project_language(project_language_id)
 
     check_repository_name(user_id, identifier) unless identifier.blank? || identifier == project_identifier
+    check_gitea_repository_name(user_id, identifier) unless identifier.blank? || identifier == project_identifier
     check_project_name(user_id, name) unless name.blank? || name == project_name
   end