diff --git a/app/controllers/api/v1/project_datasets_controller.rb b/app/controllers/api/v1/project_datasets_controller.rb
new file mode 100644
index 00000000..995c1872
--- /dev/null
+++ b/app/controllers/api/v1/project_datasets_controller.rb
@@ -0,0 +1,10 @@
+class Api::V1::ProjectDatasetsController < Api::V1::BaseController 
+
+  def index 
+    return render_error("请输入正确的项目id字符串") unless params[:ids].present? 
+    ids = params[:ids].split(",")
+    @project_datasets = ProjectDataset.where(project_id: ids).includes(:license, :project)
+    @project_datasets = kaminari_unlimit_paginate(@project_datasets)
+  end
+
+end
\ No newline at end of file
diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index eb242475..0860e85f 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -43,7 +43,8 @@ class ProjectsController < ApplicationController
     @total_count =
       if category_id.blank? && params[:search].blank? && params[:topic_id].blank?
         # 默认查询时count性能问题处理
-        ProjectCategory.sum("projects_count") - Project.visible.joins("left join organization_extensions on organization_extensions.organization_id = projects.user_id").where("organization_extensions.visibility =2").count
+        # ProjectCategory.sum("projects_count") - Project.visible.joins("left join organization_extensions on organization_extensions.organization_id = projects.user_id").where("organization_extensions.visibility =2").count
+        @projects.total_count
       elsif params[:search].present? || params[:topic_id].present?
         @projects.total_count
       else
diff --git a/app/views/api/v1/project_datasets/index.json.jbuilder b/app/views/api/v1/project_datasets/index.json.jbuilder
new file mode 100644
index 00000000..29a84708
--- /dev/null
+++ b/app/views/api/v1/project_datasets/index.json.jbuilder
@@ -0,0 +1,14 @@
+json.total_count @project_datasets.total_count
+json.project_datasets @project_datasets.each do |dataset|
+  json.(dataset, :id, :title, :description, :paper_content)
+  json.project do 
+    json.partial! "api/v1/projects/simple_detail", project: dataset.project
+  end
+  if dataset.license.present? 
+    json.license do 
+      json.(dataset.license, :name, :content)
+    end
+  else
+    json.license nil 
+  end
+end
\ No newline at end of file
diff --git a/app/views/api/v1/projects/_simple_detail.json.jbuilder b/app/views/api/v1/projects/_simple_detail.json.jbuilder
index 3eadaaf8..15799aa1 100644
--- a/app/views/api/v1/projects/_simple_detail.json.jbuilder
+++ b/app/views/api/v1/projects/_simple_detail.json.jbuilder
@@ -1,7 +1,7 @@
 if project.present?
   json.type project.project_type
   json.(project, 
-    :description, :forked_count, :forked_from_project_id, :identifier, 
+    :id, :description, :forked_count, :forked_from_project_id, :identifier, 
     :issues_count, :pull_requests_count, :invite_code, :website, :platform,
     :name, :open_devops, :praises_count, :is_public, :status, :watchers_count,
     :ignore_id, :license_id, :project_category_id, :project_language_id)
diff --git a/app/views/projects/index.json.jbuilder b/app/views/projects/index.json.jbuilder
index d3b96ab1..a07dd6c1 100644
--- a/app/views/projects/index.json.jbuilder
+++ b/app/views/projects/index.json.jbuilder
@@ -17,6 +17,7 @@ json.projects @projects do |project|
   json.forked_from_project_id project.forked_from_project_id
   json.open_devops project.open_devops?
   json.platform project.platform
+  json.has_dataset project.has_menu_permission("dataset") && project.project_dataset.present?
   json.author do
     if project.educoder?
       project_educoder = project.project_educoder
diff --git a/config/routes/api.rb b/config/routes/api.rb
index ed1ea9b4..3f18235c 100644
--- a/config/routes/api.rb
+++ b/config/routes/api.rb
@@ -145,7 +145,7 @@ defaults format: :json do
 
       resources :projects, only: [:index]
       resources :project_topics, only: [:index, :create, :destroy]
-
+      resources :project_datasets, only: [:index]
       
     end
   end