diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index cd07803d6..f4dd3c8f0 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -17,15 +17,15 @@ class RepositoriesController < ApplicationController
   end
 
   # 新版项目详情
-  def detail 
-    @user = current_user  
+  def detail
+    @user = current_user
     @result = Repositories::DetailService.call(@owner, @repository, @user)
     @project_fork_id = @project.try(:forked_from_project_id)
     if @project_fork_id.present?
       @fork_project = Project.find_by(id: @project_fork_id)
       @fork_project_user = @fork_project.owner
     end
-  rescue Exception => e 
+  rescue Exception => e
     uid_logger_error(e.message)
     tip_exception(e.message)
   end
@@ -210,7 +210,7 @@ class RepositoriesController < ApplicationController
   end
 
   def get_ref
-    @ref = params[:ref] || @project.default_branch
+    @ref = params[:ref] || @project&.default_branch
   end
 
   def get_latest_commit
diff --git a/app/services/repositories/detail_service.rb b/app/services/repositories/detail_service.rb
index 58b286ec5..b4b2b9d87 100644
--- a/app/services/repositories/detail_service.rb
+++ b/app/services/repositories/detail_service.rb
@@ -1,14 +1,14 @@
-class Repositories::DetailService < ApplicationService 
+class Repositories::DetailService < ApplicationService
   include Repository::LanguagesPercentagable
-  attr_reader :owner, :repo, :user 
+  attr_reader :owner, :repo, :user
   def initialize(owner, repo, user)
-    @owner = owner 
-    @repo = repo 
-    @user = user 
+    @owner = owner
+    @repo = repo
+    @user = user
   end
 
-  def call 
-    if @repo.project.educoder? 
+  def call
+    if @repo.project.educoder?
       return {
         repo: {},
         release: [],
@@ -31,7 +31,7 @@ class Repositories::DetailService < ApplicationService
     end
   end
 
-  private 
+  private
   def repo_suitable
     Gitea::Repository::GetService.call(@owner, @repo.identifier)
   end
@@ -41,24 +41,26 @@ class Repositories::DetailService < ApplicationService
   end
 
   def branch_suitable
-    Gitea::Repository::Branches::ListService.call(@owner, @repo.identifier)
+    branches = Gitea::Repository::Branches::ListService.call(@owner, @repo.identifier)
+    branches.is_a?(Hash) && branches[:status] == :error ? [] : branches
   end
 
   def tag_suitable
-    Gitea::Repository::Tags::ListService.call(@owner&.gitea_token, @owner.login, @repo.identifier)
+    tags = Gitea::Repository::Tags::ListService.call(@owner&.gitea_token, @owner.login, @repo.identifier)
+    tags.is_a?(Hash) && tags[:status] == -1 ? [] : tags
   end
-  
-  def contributor_suitable 
+
+  def contributor_suitable
     Gitea::Repository::Contributors::GetService.call(@owner, @repo.identifier)
   end
 
-  def language_suitable 
+  def language_suitable
     result = Gitea::Repository::Languages::ListService.call(@owner.login, @repo.identifier, @user&.gitea_token)
     result[:status] === :success ? hash_transform_precentagable(result[:body]) : nil
   end
 
-  def readme_suitable 
+  def readme_suitable
     result = Gitea::Repository::Readme::GetService.call(@owner.login, @repo.identifier, @repo.default_branch, @owner.gitea_token)
     result[:status] === :success ? result[:body] : nil
   end
-end
\ No newline at end of file
+end