diff --git a/Gemfile b/Gemfile
index 4cabd09b9..44f4937ad 100644
--- a/Gemfile
+++ b/Gemfile
@@ -91,3 +91,5 @@ gem 'bulk_insert'
 
 # elasticsearch
 gem 'searchkick'
+
+gem 'aasm'
diff --git a/Gemfile.lock b/Gemfile.lock
index 94893687b..60e1ae811 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,6 +8,8 @@ PATH
 GEM
   remote: https://gems.ruby-china.com/
   specs:
+    aasm (5.0.5)
+      concurrent-ruby (~> 1.0)
     actioncable (5.2.1)
       actionpack (= 5.2.1)
       nio4r (~> 2.0)
@@ -324,6 +326,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  aasm
   active_decorator
   acts-as-taggable-on (~> 6.0)
   awesome_print
diff --git a/app/controllers/bidding_users_controller.rb b/app/controllers/bidding_users_controller.rb
new file mode 100644
index 000000000..ad0de6587
--- /dev/null
+++ b/app/controllers/bidding_users_controller.rb
@@ -0,0 +1,24 @@
+class BiddingUsersController < ApplicationController
+  before_action :require_login, :check_auth
+
+  def create
+    ProjectPackages::BiddingService.call(current_package, current_user)
+    render_ok
+  rescue ProjectPackages::BiddingService::Error => ex
+    render_error(ex.message)
+  end
+
+  def win
+    package = current_user.project_packages.find(params[:project_package_id])
+    ProjectPackages::WinBiddingService.call(package, params)
+    render_ok
+  rescue ProjectPackages::WinBiddingService::Error => ex
+    render_error(ex.message)
+  end
+
+  private
+
+  def current_package
+    @_current_package ||= ProjectPackage.find(params[:project_package_id])
+  end
+end
\ No newline at end of file
diff --git a/app/controllers/project_package_categories_controller.rb b/app/controllers/project_package_categories_controller.rb
new file mode 100644
index 000000000..80d364a05
--- /dev/null
+++ b/app/controllers/project_package_categories_controller.rb
@@ -0,0 +1,6 @@
+class ProjectPackageCategoriesController < ApplicationController
+  def index
+    categories = ProjectPackageCategory.cached_data
+    render_ok(count: categories.size, categories: categories)
+  end
+end
\ No newline at end of file
diff --git a/app/controllers/project_packages_controller.rb b/app/controllers/project_packages_controller.rb
new file mode 100644
index 000000000..de896c920
--- /dev/null
+++ b/app/controllers/project_packages_controller.rb
@@ -0,0 +1,78 @@
+class ProjectPackagesController < ApplicationController
+  include PaginateHelper
+
+  before_action :require_login, :check_auth, only: %i[create update destroy]
+
+  helper_method :current_package, :package_manageable?
+
+  def index
+    packages = ProjectPackage.where(status: %w(published bidding_ended bidding_finished))
+
+    packages = packages.where(project_package_category_id: params[:category_id]) if params[:category_id].present?
+
+    keyword = params[:keyword].to_s.strip
+    packages = packages.where('title LIKE ?', "%#{keyword}%") if keyword.present?
+
+    @count = packages.count
+
+    direction = params[:sort_direction] == 'asc' ? 'asc' : 'desc'
+    sort      = params[:sort_by] == 'price' ? 'min_price' : 'published_at'
+    packages  = packages.order("#{sort} #{direction}")
+
+    @packages = paginate packages.includes(:creator, :attachments, :project_package_category, bidding_users: :user)
+  end
+
+  def show
+    return render_forbidden unless current_package.visitable? || package_manageable?
+
+    current_package.increment!(:visit_count)
+  end
+
+  def create
+    package = current_user.project_packages.new
+    ProjectPackages::SaveService.call(package, save_params)
+
+    package.increment!(:visit_count)
+    render_ok(id: package.id)
+  rescue ProjectPackages::SaveService::Error => ex
+    render_error(ex.message)
+  end
+
+  def update
+    package = current_user.project_packages.find(params[:id])
+    return render_error('该状态下不能编辑') unless package.editable?
+
+    ProjectPackages::SaveService.call(package, save_params)
+    package.increment!(:visit_count)
+    render_ok(id: package.id)
+  rescue ProjectPackages::SaveService::Error => ex
+    render_error(ex.message)
+  end
+
+  def destroy
+    package = ProjectPackage.find(params[:id])
+    return render_forbidden unless package.deletable? && package_manageable?
+
+    package.destroy!
+
+    Tiding.create!(user_id: package.creator_id, trigger_user_id: 1, container_id: package.id,
+                   container_type: 'ProjectPackage', tiding_type: 'Destroyed', extra: package.title)
+
+    render_ok
+  end
+
+  private
+
+  def current_package
+    @_current_package ||= ProjectPackage.find(params[:id])
+  end
+
+  def package_manageable?
+    current_user&.id == current_package.creator_id || admin_or_business?
+  end
+
+  def save_params
+    params.permit(*%i[category_id title content attachment_ids deadline_at min_price max_price
+                      contact_name contact_phone code publish])
+  end
+end
\ No newline at end of file
diff --git a/app/decorators/project_package_decorator.rb b/app/decorators/project_package_decorator.rb
new file mode 100644
index 000000000..7dec24565
--- /dev/null
+++ b/app/decorators/project_package_decorator.rb
@@ -0,0 +1,5 @@
+module ProjectPackageDecorator
+  extend ApplicationDecorator
+
+  display_time_method :updated_at, :deadline_at, :published_at
+end
\ No newline at end of file
diff --git a/app/forms/project_packages/project_packages/agree_apply_service.rb b/app/forms/project_packages/project_packages/agree_apply_service.rb
new file mode 100644
index 000000000..7cef7f70c
--- /dev/null
+++ b/app/forms/project_packages/project_packages/agree_apply_service.rb
@@ -0,0 +1,36 @@
+class ProjectPackages::AgreeApplyService < ApplicationService
+  Error = Class.new(StandardError)
+
+  attr_reader :apply, :package
+
+  def initialize(apply)
+    @apply   = apply
+    @package = apply.project_package
+  end
+
+  def call
+    raise Error, '该状态下不能进行此操作' unless apply.may_agree? && package.may_publish?
+
+    ActiveRecord::Base.transaction do
+      apply.agree!
+
+      # 发布
+      package.publish
+      package.published_at = Time.now
+      package.save!
+
+      # 消息
+      send_agree_notify!
+    end
+  end
+
+  private
+  def send_agree_notify!
+    Tiding.where(container_id: package.id, container_type: 'ProjectPackage',
+                 tiding_type: 'Apply', status: 0).update_all(status: 1)
+
+    Tiding.create!(user_id: package.creator_id, trigger_user_id: 1,
+                   container_id: package.id, container_type: 'ProjectPackage',
+                   tiding_type: 'System', status: 1)
+  end
+end
\ No newline at end of file
diff --git a/app/forms/project_packages/project_packages/apply_publish_service.rb b/app/forms/project_packages/project_packages/apply_publish_service.rb
new file mode 100644
index 000000000..157ed2cb6
--- /dev/null
+++ b/app/forms/project_packages/project_packages/apply_publish_service.rb
@@ -0,0 +1,31 @@
+class ProjectPackages::ApplyPublishService < ApplicationService
+  Error = Class.new(StandardError)
+
+  attr_reader :package
+
+  def initialize(package)
+    @package = package
+  end
+
+  def call
+    return if package.applying?
+
+    raise Error, '该状态下不能申请发布' unless package.may_apply?
+
+    ActiveRecord::Base.transaction do
+      package.apply!
+
+      package.project_package_applies.create!
+
+      send_project_package_apply_notify!
+    end
+  end
+
+  private
+
+  def send_project_package_apply_notify!
+    Tiding.create!(user_id: 1, trigger_user_id: package.creator_id,
+                   container_id: package.id, container_type: 'ProjectPackage',
+                   tiding_type: 'Apply', status: 0)
+  end
+end
diff --git a/app/forms/project_packages/project_packages/bidding_service.rb b/app/forms/project_packages/project_packages/bidding_service.rb
new file mode 100644
index 000000000..125f707e7
--- /dev/null
+++ b/app/forms/project_packages/project_packages/bidding_service.rb
@@ -0,0 +1,29 @@
+class ProjectPackages::BiddingService < ApplicationService
+  Error = Class.new(StandardError)
+
+  attr_reader :package, :user
+
+  def initialize(package, user)
+    @package = package
+    @user    = user
+  end
+
+  def call
+    raise Error, '竞标已截止' if package.bidding_end?
+    raise Error, '不能参与自己发布的竞标' if package.creator_id == user.id
+    raise Error, '您已参与竞标' if package.bidding_users.exists?(user_id: user.id)
+
+    ActiveRecord::Base.transaction do
+      package.bidding_users.create!(user_id: user.id)
+
+      send_bidding_notify!
+    end
+  end
+
+  private
+
+  def send_bidding_notify!
+    Tiding.create!(user_id: package.creator_id, trigger_user_id: user.id,
+                   container_id: package.id, container_type: 'ProjectPackage', tiding_type: 'Bidding')
+  end
+end
\ No newline at end of file
diff --git a/app/forms/project_packages/project_packages/end_bidding_service.rb b/app/forms/project_packages/project_packages/end_bidding_service.rb
new file mode 100644
index 000000000..6d43db949
--- /dev/null
+++ b/app/forms/project_packages/project_packages/end_bidding_service.rb
@@ -0,0 +1,26 @@
+class ProjectPackages::EndBiddingService < ApplicationService
+  attr_reader :package
+
+  def initialize(package)
+    @package = package
+  end
+
+  def call
+    return unless package_deadline?
+
+    package.end_bidding!
+
+    send_bidding_end_notify!
+  end
+
+  private
+
+  def send_bidding_end_notify!
+    Tiding.create!(user_id: package.creator_id, trigger_user_id: 1,
+                   container_id: package.id, container_type: 'ProjectPackage', tiding_type: 'BiddingEnd')
+  end
+
+  def package_deadline?
+    package.may_end_bidding? && package.deadline_at < Time.now
+  end
+end
\ No newline at end of file
diff --git a/app/forms/project_packages/project_packages/refuse_apply_service.rb b/app/forms/project_packages/project_packages/refuse_apply_service.rb
new file mode 100644
index 000000000..142efe1e0
--- /dev/null
+++ b/app/forms/project_packages/project_packages/refuse_apply_service.rb
@@ -0,0 +1,38 @@
+class ProjectPackages::RefuseApplyService < ApplicationService
+  Error = Class.new(StandardError)
+
+  attr_reader :apply, :package, :params
+
+  def initialize(apply, params)
+    @apply   = apply
+    @package = apply.project_package
+    @params  = params
+  end
+
+  def call
+    raise Error, '该状态下不能进行此操作' unless apply.may_refuse? && package.may_refuse?
+
+    ActiveRecord::Base.transaction do
+      apply.refuse
+      apply.reason = params[:reason].to_s.strip
+      apply.save!
+
+      # 发布
+      package.refuse!
+
+      # 消息
+      send_refuse_notify!
+    end
+  end
+
+  private
+
+  def send_refuse_notify!
+    Tiding.where(container_id: package.id, container_type: 'ProjectPackage',
+                 tiding_type: 'Apply', status: 0).update_all(status: 1)
+
+    Tiding.create!(user_id: package.creator_id, trigger_user_id: 1,
+                   container_id: package.id, container_type: 'ProjectPackage',
+                   tiding_type: 'System', status: 2, extra: apply.reason)
+  end
+end
diff --git a/app/forms/project_packages/project_packages/save_service.rb b/app/forms/project_packages/project_packages/save_service.rb
new file mode 100644
index 000000000..bcfc19a10
--- /dev/null
+++ b/app/forms/project_packages/project_packages/save_service.rb
@@ -0,0 +1,79 @@
+class ProjectPackages::SaveService < ApplicationService
+  Error = Class.new(StandardError)
+
+  attr_reader :package, :params
+
+  def initialize(package, params)
+    @package = package
+    @params  = params
+  end
+
+  def call
+    ProjectPackages::SaveForm.new(params).validate!
+
+    check_code_valid! if need_check_code?
+
+    is_create = package.new_record?
+    raise Error, '类型不存在' unless ProjectPackageCategory.where(id: params[:category_id]).exists?
+    params[:project_package_category_id] = params[:category_id].to_i
+
+    raise Error, '竞标截止时间不能小于当前时间' if params[:deadline_at].present? && params[:deadline_at].to_time < Time.now
+
+    if params[:min_price].blank? && params[:max_price].present?
+      params[:min_price] = params[:max_price]
+      params[:max_price] = nil
+    end
+
+    ActiveRecord::Base.transaction do
+      package.assign_attributes(params)
+      package.save!
+
+      # 处理附件
+      deal_attachments
+
+      send_create_notify! if is_create
+
+      ProjectPackages::ApplyPublishService.call(package) if with_publish?
+    end
+
+    package
+  rescue ProjectPackages::ApplyPublishService::Error => ex
+    raise Error, ex.message
+  end
+
+  private
+
+  def need_check_code?
+    (package.new_record? && params[:contact_phone] != package.creator.phone) ||
+      (!package.new_record? && package.contact_phone != params[:contact_phone])
+  end
+
+  def check_code_valid!
+    raise Error, '验证码不能为空' if params[:code].blank?
+
+    code = VerificationCode.where(phone: params[:contact_phone], code_type: 9, code: params[:code]).last
+    raise Error, '无效的验证码' if code.blank? || !code.valid_code?
+  end
+
+  def deal_attachments
+    attachment_ids = Array.wrap(params[:attachment_ids]).compact.map(&:to_i) || []
+    old_attachment_ids = package.attachments.pluck(:id)
+
+    destroy_ids = old_attachment_ids - attachment_ids
+    package.attachments.where(id: destroy_ids).delete_all
+
+    new_ids = attachment_ids - old_attachment_ids
+    if new_ids.present?
+      Attachment.where(id: new_ids, container_id: nil).update_all(container_id: package.id, container_type: 'ProjectPackage')
+    end
+  end
+
+  def send_create_notify!
+    Tiding.create!(user_id: package.creator_id, trigger_user_id: 1,
+                   container_id: package.id, container_type: 'ProjectPackage', tiding_type: 'Created')
+  end
+
+  def with_publish?
+    params[:publish].to_s == 'true'
+  end
+end
\ No newline at end of file
diff --git a/app/forms/project_packages/project_packages/win_bidding_service.rb b/app/forms/project_packages/project_packages/win_bidding_service.rb
new file mode 100644
index 000000000..831c29449
--- /dev/null
+++ b/app/forms/project_packages/project_packages/win_bidding_service.rb
@@ -0,0 +1,50 @@
+class ProjectPackages::WinBiddingService < ApplicationService
+  Error = Class.new(StandardError)
+
+  attr_reader :package, :params
+
+  def initialize(package, params)
+    @package = package
+    @params  = params
+  end
+
+  def call
+    raise Error, '竞标报名还未结束' unless package.bidding_end?
+    raise Error, '该状态下不能选择中标者' unless package.may_finish_bidding?
+
+    win_user_ids = Array.wrap(params[:user_ids]).compact.map(&:to_i)
+    bidding_user_ids = package.bidding_users.pluck(:user_id)
+
+    win_user_ids = bidding_user_ids & win_user_ids
+    raise Error, '请选择中标者' if win_user_ids.blank?
+
+    ActiveRecord::Base.transaction do
+      package.finish_bidding!
+
+      # win bidding users
+      package.bidding_users.where(user_id: win_user_ids).update_all(status: :bidding_won)
+      # lose bidding users
+      lost_user_ids = bidding_user_ids - win_user_ids
+      package.bidding_users.where(user_id: lost_user_ids).update_all(status: :bidding_lost)
+
+      send_bidding_result_notify!('BiddingWon', win_user_ids)
+      send_bidding_result_notify!('BiddingLost', lost_user_ids)
+    end
+
+    package
+  end
+
+  private
+
+  def send_bidding_result_notify!(type, user_ids)
+    columns = %i[user_id trigger_user_id container_id container_type tiding_type created_at updated_at]
+
+    Tiding.bulk_insert(*columns) do |worker|
+      base_attr = { trigger_user_id: package.creator_id, container_id: package.id,
+                    container_type: 'ProjectPackage', tiding_type: type }
+      user_ids.each do |user_id|
+        worker.add(base_attr.merge(user_id: user_id))
+      end
+    end
+  end
+end
\ No newline at end of file
diff --git a/app/forms/project_packages/save_form.rb b/app/forms/project_packages/save_form.rb
new file mode 100644
index 000000000..9755e1ddc
--- /dev/null
+++ b/app/forms/project_packages/save_form.rb
@@ -0,0 +1,15 @@
+class ProjectPackages::SaveForm
+  include ActiveModel::Model
+
+  attr_accessor :category_id, :title, :content, :attachment_ids, :deadline_at,
+                :min_price, :max_price, :contact_name, :contact_phone, :code, :publish
+
+  validates :category_id, presence: true
+  validates :title, presence: true
+  validates :content, presence: true
+  validates :deadline_at, presence: true
+  validates :min_price, numericality: { greater_than: 0 }, allow_blank: true
+  validates :max_price, numericality: { greater_than: ->(obj){ obj.min_price.to_i } }, allow_blank: true
+  validates :contact_name, presence: true
+  validates :contact_phone, presence: true
+end
diff --git a/app/models/bidding_user.rb b/app/models/bidding_user.rb
new file mode 100644
index 000000000..b518fb45e
--- /dev/null
+++ b/app/models/bidding_user.rb
@@ -0,0 +1,24 @@
+class BiddingUser < ApplicationRecord
+  include AASM
+
+  belongs_to :user
+  belongs_to :project_package, counter_cache: true
+
+  aasm(:status) do
+    state :pending, initiali: true
+    state :bidding_won
+    state :bidding_lost
+
+    event :win do
+      transitions from: [:pending], to: :bid_won
+    end
+
+    event :lose do
+      transitions from: [:pending], to: :bid_lost
+    end
+  end
+
+  def status_text
+    I18n.t("bidding_user.status.#{status}")
+  end
+end
\ No newline at end of file
diff --git a/app/models/project_package.rb b/app/models/project_package.rb
new file mode 100644
index 000000000..4b160f99d
--- /dev/null
+++ b/app/models/project_package.rb
@@ -0,0 +1,78 @@
+class ProjectPackage < ApplicationRecord
+  include AASM
+
+  belongs_to :creator, class_name: 'User'
+  belongs_to :project_package_category
+
+  has_many :project_package_applies, dependent: :destroy
+  has_one :process_project_package_apply, -> { where(status: :pending) }, class_name: 'ProjectPackageApply'
+
+  has_many :bidding_users, dependent: :delete_all
+  has_many :win_bidding_users, -> { where(status: :bidding_won) }, class_name: 'BiddingUser'
+  has_many :lose_bidding_users, -> { where(status: :bidding_lost) }, class_name: 'BiddingUser'
+
+  has_many :attachments, as: :container, dependent: :destroy
+
+  aasm(:status) do
+    state :pending, initiali: true
+    state :applying
+    state :refused
+    state :published
+    state :bidding_ended
+    state :bidding_finished
+
+    event :apply do
+      transitions from: [:pending, :refused], to: :applying
+    end
+
+    event :refuse do
+      transitions from: :applying, to: :refused
+    end
+
+    event :publish do
+      transitions from: :applying, to: :published
+    end
+
+    event :end_bidding do
+      transitions from: :published, to: :bidding_ended
+    end
+
+    event :finish_bidding do
+      transitions from: [:bidding_ended], to: :bidding_finished
+    end
+  end
+
+  def category_name
+    project_package_category.name
+  end
+
+  def visitable?
+    !editable?
+  end
+
+  def editable?
+    pending? || applying? || refused?
+  end
+
+  def deletable?
+    pending? || refused?
+  end
+
+  def deadline?
+    deadline_at < Time.now
+  end
+
+  def bidding_end?
+    flag = deadline?
+    end_bidding! if flag && may_end_bidding?
+    flag
+  end
+
+  def can_bidding?(user)
+    published? && !bidding_end? && user.id != creator_id && !bidding_users.exists?(user_id: user.id)
+  end
+
+  def status_text
+    I18n.t("project_package.status.#{status}")
+  end
+end
diff --git a/app/models/project_package_apply.rb b/app/models/project_package_apply.rb
new file mode 100644
index 000000000..5116f075f
--- /dev/null
+++ b/app/models/project_package_apply.rb
@@ -0,0 +1,19 @@
+class ProjectPackageApply < ApplicationRecord
+  include AASM
+
+  belongs_to :project_package
+
+  aasm(:status) do
+    state :pending, initiali: true
+    state :refused
+    state :agreed
+
+    event :refuse do
+      transitions from: :pending, to: :refused
+    end
+
+    event :agree do
+      transitions from: :pending, to: :agreed
+    end
+  end
+end
\ No newline at end of file
diff --git a/app/models/project_package_category.rb b/app/models/project_package_category.rb
new file mode 100644
index 000000000..403fdf4cb
--- /dev/null
+++ b/app/models/project_package_category.rb
@@ -0,0 +1,23 @@
+class ProjectPackageCategory < ApplicationRecord
+  default_scope { order(position: :asc) }
+
+  has_many :project_packages, dependent: :destroy
+
+  after_commit :reset_cache_data
+
+  def self.cached_data
+    Rails.cache.fetch(data_cache_key, expires_in: 1.days) do
+      ProjectPackageCategory.select(:id, :name).as_json
+    end
+  end
+
+  def self.data_cache_key
+    'project_package_category/cached_data'
+  end
+
+  private
+
+  def reset_cache_data
+    Rails.cache.delete(self.class.data_cache_key)
+  end
+end
\ No newline at end of file
diff --git a/app/services/project_packages/save_service.rb b/app/services/project_packages/save_service.rb
new file mode 100644
index 000000000..b921d7967
--- /dev/null
+++ b/app/services/project_packages/save_service.rb
@@ -0,0 +1,79 @@
+class ProjectPackages::SaveService
+  Error = Class.new(StandardError)
+
+  attr_reader :package, :params
+
+  def initialize(package, params)
+    @package = package
+    @params  = params
+  end
+
+  def call
+    ProjectPackages::SaveForm.new(params).validate!
+
+    check_code_valid! if need_check_code?
+
+    is_create = package.new_record?
+    raise Error, '类型不存在' unless ProjectPackageCategory.where(id: params[:category_id]).exists?
+    params[:project_package_category_id] = params[:category_id].to_i
+
+    raise Error, '竞标截止时间不能小于当前时间' if params[:deadline_at].present? && params[:deadline_at].to_time < Time.now
+
+    if params[:min_price].blank? && params[:max_price].present?
+      params[:min_price] = params[:max_price]
+      params[:max_price] = nil
+    end
+
+    ActiveRecord::Base.transaction do
+      package.assign_attributes(params)
+      package.save!
+
+      # 处理附件
+      deal_attachments
+
+      send_create_notify! if is_create
+
+      ProjectPackages::ApplyPublishService.call(package) if with_publish?
+    end
+
+    package
+  rescue ProjectPackages::ApplyPublishService::Error => ex
+    raise Error, ex.message
+  end
+
+  private
+
+  def need_check_code?
+    (package.new_record? && params[:contact_phone] != package.creator.phone) ||
+      (!package.new_record? && package.contact_phone != params[:contact_phone])
+  end
+
+  def check_code_valid!
+    raise Error, '验证码不能为空' if params[:code].blank?
+
+    code = VerificationCode.where(phone: params[:contact_phone], code_type: 9, code: params[:code]).last
+    raise Error, '无效的验证码' if code.blank? || !code.valid_code?
+  end
+
+  def deal_attachments
+    attachment_ids = Array.wrap(params[:attachment_ids]).compact.map(&:to_i) || []
+    old_attachment_ids = package.attachments.pluck(:id)
+
+    destroy_ids = old_attachment_ids - attachment_ids
+    package.attachments.where(id: destroy_ids).delete_all
+
+    new_ids = attachment_ids - old_attachment_ids
+    if new_ids.present?
+      Attachment.where(id: new_ids, container_id: nil).update_all(container_id: package.id, container_type: 'ProjectPackage')
+    end
+  end
+
+  def send_create_notify!
+    Tiding.create!(user_id: package.creator_id, trigger_user_id: 1,
+                   container_id: package.id, container_type: 'ProjectPackage', tiding_type: 'Created')
+  end
+
+  def with_publish?
+    params[:publish].to_s == 'true'
+  end
+end
\ No newline at end of file
diff --git a/app/views/project_packages/index.json.jbuilder b/app/views/project_packages/index.json.jbuilder
new file mode 100644
index 000000000..e26efe36e
--- /dev/null
+++ b/app/views/project_packages/index.json.jbuilder
@@ -0,0 +1,13 @@
+json.count @count
+json.project_packages do
+  json.array! @packages.each do |package|
+    json.extract! package, :id, :title, :content, :category_name, :status,
+                  :visit_count, :bidding_users_count, :min_price, :max_price
+
+    json.category_id package.project_package_category_id
+
+    json.updated_at package.display_updated_at
+    json.deadline_at package.display_deadline_at
+    json.published_at package.display_published_at
+  end
+end
\ No newline at end of file
diff --git a/app/views/project_packages/show.json.jbuilder b/app/views/project_packages/show.json.jbuilder
new file mode 100644
index 000000000..7fee5af29
--- /dev/null
+++ b/app/views/project_packages/show.json.jbuilder
@@ -0,0 +1,43 @@
+package = current_package
+
+json.extract! package, :id, :title, :content, :category_name, :status,
+              :visit_count, :bidding_users_count, :min_price, :max_price
+
+json.category_id package.project_package_category_id
+
+# 只有自己和管理员才返回私人信息
+if package_manageable?
+  json.contact_name package.contact_name
+  json.contact_phone package.contact_phone
+end
+
+json.updated_at package.display_updated_at
+json.deadline_at package.display_deadline_at
+json.published_at package.display_published_at
+
+json.creator do
+  json.partial! 'users/user_simple', user: package.creator
+end
+
+json.attachments do
+  json.array! package.attachments, partial: 'attachments/attachment_simple', as: :attachment
+end
+
+json.bidding_users do
+  json.array! package.bidding_users.includes(:user).each do |bidding_user|
+    json.partial! 'users/user_simple', user: bidding_user.user
+
+    json.status bidding_user.status
+  end
+end
+
+json.operation do
+  if current_user
+    manageable = package_manageable?
+
+    json.can_bidding package.can_bidding?(current_user)
+    json.can_select_bidding_user package.bidding_end? && package.bidding_ended? && manageable
+    json.can_edit package.editable? && manageable
+    json.can_delete package.deletable? && manageable
+  end
+end
\ No newline at end of file
diff --git a/config/locales/bidding_users/zh-CN.yml b/config/locales/bidding_users/zh-CN.yml
new file mode 100644
index 000000000..6420725fd
--- /dev/null
+++ b/config/locales/bidding_users/zh-CN.yml
@@ -0,0 +1,6 @@
+'zh-CN':
+  bidding_user:
+    status:
+      pending: 竞标中
+      bidding_won: 已中标
+      bidding_lost: 未中标
\ No newline at end of file
diff --git a/config/locales/forms/save_project_package_form.zh-CN.yml b/config/locales/forms/save_project_package_form.zh-CN.yml
new file mode 100644
index 000000000..662e59941
--- /dev/null
+++ b/config/locales/forms/save_project_package_form.zh-CN.yml
@@ -0,0 +1,13 @@
+'zh-CN':
+  activemodel:
+    attributes:
+      project_packages/save_form:
+        category_id: 类型
+        title: 标题
+        content: 描述
+        deadline_at: 截止日期
+        min_price: 最小价格
+        max_price: 最大价格
+        contact_name: 联系人姓名
+        contact_phone: 联系人电话
+        code: 验证码
diff --git a/config/locales/project_packages/zh-CN.yml b/config/locales/project_packages/zh-CN.yml
new file mode 100644
index 000000000..82075ffab
--- /dev/null
+++ b/config/locales/project_packages/zh-CN.yml
@@ -0,0 +1,9 @@
+zh-CN:
+  project_package:
+    status:
+      pending: 已创建
+      applying: 审核中
+      refused: 已拒绝
+      published: 竞标中
+      bidding_ended: 待选标
+      bidding_finished: 已完成
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index cabdcb18e..210071b97 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -682,6 +682,13 @@ Rails.application.routes.draw do
         resources :students, only: [:index]
       end
     end
+
+    resources :project_package_categories, only: [:index]
+    resources :project_packages, only: [:index, :show, :create, :update, :destroy] do
+      resources :bidding_users, only: [:create] do
+        post :win, on: :collection
+      end
+    end
   end
 
   #git 认证回调