新增：返回疑修序号

app/views/api/v1/issues/index.json.jbuilder

@@ -5,7 +5,7 @@ json.total_count @issues.total_count
 json.has_created_issues @project.issues.size > 0
 json.issues @issues.each do |issue| 
   if params[:only_name].present? 
-    json.(issue, :id, :subject)
+    json.(issue, :id, :subject, :project_issues_index)
   else 
     json.partial! "simple_detail", locals: {issue: issue}
   end