新增：标签名字列表

app/services/gitea/repository/tags/list_name_service.rb

@@ -0,0 +1,23 @@
+class Gitea::Repository::Tags::ListNameService < Gitea::ClientService
+  attr_reader :user, :repo, :name
+
+  def initialize(user, repo, name=nil)
+    @user = user
+    @repo = repo
+    @name = name
+  end
+
+  def call
+    response = get(url, params)
+    render_200_response(response)
+  end
+
+  private
+  def params
+    Hash.new.merge(token: user.gitea_token, name: name)
+  end
+
+  def url
+    "/repos/#{user.login}/#{repo}/tag_name_set".freeze
+  end
+end

app/views/repositories/tags.json.jbuilder

@@ -1,5 +1,5 @@
 json.array! @tags do |tag|
-  if tag.present? 
+  if tag.present? && tag.is_a?(Hash)
     json.name tag['name']
     json.id tag['id']
     json.zipball_url render_zip_url(@owner, @repository, tag['name'])
@@ -22,6 +22,8 @@ json.array! @tags do |tag|
         json.partial! 'commit_author', user: render_cache_commit_author(tag['commit']['author']), name: tag['commit']['author']['name']
       end
     end
+  else 
+    json.name tag
   end
 end