diff --git a/app/controllers/api/v1/projects/datasets_controller.rb b/app/controllers/api/v1/projects/datasets_controller.rb
new file mode 100644
index 000000000..a3d3a54b3
--- /dev/null
+++ b/app/controllers/api/v1/projects/datasets_controller.rb
@@ -0,0 +1,38 @@
+class Api::V1::Projects::DatasetsController < Api::V1::BaseController
+  before_action :require_public_and_member_above
+  before_action :find_dataset, only: [:update, :show]
+
+  def create 
+    return render_error('该项目下已存在数据集！') if @project.project_dataset.present?
+    @project_dataset = ProjectDataset.new(dataset_params.merge!(project_id: @project.id))
+    if @project_dataset.save! 
+      render_ok
+    else 
+      render_error('创建数据集失败！')
+    end
+  end
+
+  def update 
+    @project_dataset.attributes = dataset_params
+    if @project_dataset.save! 
+      render_ok
+    else
+      render_error("更新数据集失败！")
+    end
+  end
+
+  def show 
+    @attachments = @project_dataset.attachments.includes(:author)
+  end
+
+  private 
+  def dataset_params 
+    params.permit(:title, :description)
+  end
+
+  def find_dataset 
+    @project_dataset = @project.project_dataset 
+    return render_not_found unless @project_dataset.present?
+  end
+
+end
\ No newline at end of file
diff --git a/app/controllers/attachments_controller.rb b/app/controllers/attachments_controller.rb
index ecc4760b5..46810007b 100644
--- a/app/controllers/attachments_controller.rb
+++ b/app/controllers/attachments_controller.rb
@@ -95,6 +95,9 @@ class AttachmentsController < ApplicationController
         @attachment.disk_directory = month_folder
         @attachment.cloud_url = remote_path
         @attachment.uuid = SecureRandom.uuid
+        @attachment.description = params[:description]
+        @attachment.container_id = params[:container_id]
+        @attachment.container_type = params[:container_type]
         @attachment.save!
       else
         logger.info "文件已存在，id = #{@attachment.id}, filename = #{@attachment.filename}"
diff --git a/app/models/project_dataset.rb b/app/models/project_dataset.rb
index 1de935529..a7e3f4c30 100644
--- a/app/models/project_dataset.rb
+++ b/app/models/project_dataset.rb
@@ -17,5 +17,6 @@
 class ProjectDataset < ApplicationRecord
 
   belongs_to :project
-  
+  has_many :attachments, as: :container, dependent: :destroy
+
 end
diff --git a/app/views/api/v1/attachments/_detail.json.jbuilder b/app/views/api/v1/attachments/_detail.json.jbuilder
new file mode 100644
index 000000000..7998812f4
--- /dev/null
+++ b/app/views/api/v1/attachments/_detail.json.jbuilder
@@ -0,0 +1,11 @@
+json.id attachment.uuid
+json.title attachment.title
+json.description attachment.description
+json.filesize number_to_human_size(attachment.filesize)
+json.is_pdf attachment.is_pdf?
+json.url attachment.is_pdf? ? download_url(attachment,disposition:"inline") : download_url(attachment)
+json.created_on attachment.created_on.strftime("%Y-%m-%d %H:%M:%S")
+json.content_type attachment.content_type
+json.creator do 
+  json.partial! "api/v1/users/simple_user", locals: {user: attachment.author}
+end
\ No newline at end of file
diff --git a/app/views/api/v1/attachments/_simple_detail.json.jbuilder b/app/views/api/v1/attachments/_simple_detail.json.jbuilder
index 3d56eb82f..78e727035 100644
--- a/app/views/api/v1/attachments/_simple_detail.json.jbuilder
+++ b/app/views/api/v1/attachments/_simple_detail.json.jbuilder
@@ -1,7 +1,8 @@
-json.id attachment.id
+json.id attachment.uuid
 json.title attachment.title
+json.description attachment.description
 json.filesize number_to_human_size(attachment.filesize)
 json.is_pdf attachment.is_pdf?
 json.url attachment.is_pdf? ? download_url(attachment,disposition:"inline") : download_url(attachment)
-json.created_on attachment.created_on.strftime("%Y-%m-%d %H:%M")
+json.created_on attachment.created_on.strftime("%Y-%m-%d %H:%M:%S")
 json.content_type attachment.content_type
diff --git a/app/views/api/v1/projects/datasets/show.json.jbuilder b/app/views/api/v1/projects/datasets/show.json.jbuilder
new file mode 100644
index 000000000..fe4c74dcf
--- /dev/null
+++ b/app/views/api/v1/projects/datasets/show.json.jbuilder
@@ -0,0 +1,4 @@
+json.(@project_dataset, :id, :title, :description)
+json.attachments @attachments do |at| 
+  json.partial! "api/v1/attachments/detail", locals: {attachment: at}
+end
\ No newline at end of file
diff --git a/config/routes/api.rb b/config/routes/api.rb
index dde85fe3c..ed1ea9b42 100644
--- a/config/routes/api.rb
+++ b/config/routes/api.rb
@@ -78,6 +78,7 @@ defaults format: :json do
 
           # projects文件夹下的
           scope module: :projects do 
+            resource :dataset, only: [:create, :update, :show]
             resources :actions, module: 'actions' do
               collection do 
                 post :disable