diff --git a/app/api/mobile/apis/project_packages.rb b/app/api/mobile/apis/project_packages.rb
index 591e54b1..e619ce74 100644
--- a/app/api/mobile/apis/project_packages.rb
+++ b/app/api/mobile/apis/project_packages.rb
@@ -112,7 +112,7 @@ module Mobile
             package = current_user.project_packages.new
             ::ProjectPackages::SaveService.new(package, symbolize_params).call
             package.increment_visit_count!
-            render_ok
+            render_ok(id: package.id)
           rescue ::ProjectPackages::SaveService::Error => ex
             render_error(ex.message)
           end
@@ -142,7 +142,7 @@ module Mobile
 
             ::ProjectPackages::SaveService.new(package, symbolize_params).call
             package.increment_visit_count!
-            render_ok
+            render_ok(id: package.id)
           rescue ::ProjectPackages::SaveService::Error => ex
             render_error(ex.message)
           end
diff --git a/app/api/mobile/entities/project_package.rb b/app/api/mobile/entities/project_package.rb
index de0e7218..85f8bb14 100644
--- a/app/api/mobile/entities/project_package.rb
+++ b/app/api/mobile/entities/project_package.rb
@@ -20,14 +20,6 @@ module Mobile
         package.published_at.try(:utc).try(:iso8601)
       end
 
-      expose :can_bidding, if: { type: :show } do |package, opts|
-        package.can_bidding?(opts[:user])
-      end
-
-      expose :can_select_bidding_user, if: { type: :show } do |package, opts|
-        opts[:user].id == package.creator_id && !package.bidding_end?
-      end
-
       expose :creator, if: { type: :show } do |package, _|
         {
           id: package.creator.id,
@@ -60,6 +52,19 @@ module Mobile
           }
         end
       end
+
+      expose :operation, if: { type: :show } do |package, opts|
+        user = opts[:user]
+        is_creator = user.id == package.creator_id
+        is_admin = user.admin? || user.business?
+
+        {
+          can_bidding: package.can_bidding?(user),
+          can_select_bidding_user: package.bidding_end? && package.end_bidding? && (is_creator || is_admin),
+          can_edit: package.editable? && (is_creator || is_admin),
+          can_delete: package.deletable? && (is_creator || is_admin)
+        }
+      end
     end
   end
 end
diff --git a/app/models/project_package.rb b/app/models/project_package.rb
index 08d2c612..f957dc5d 100644
--- a/app/models/project_package.rb
+++ b/app/models/project_package.rb
@@ -68,9 +68,13 @@ class ProjectPackage < ActiveRecord::Base
     pending? || refused?
   end
 
+  def deadline?
+    deadline_at < Time.now
+  end
+
   def bidding_end?
-    flag = deadline_at < Time.now
-    end_bidding! if flag && can_end_bidding?
+    flag = deadline?
+    end_bidding! if flag && may_end_bidding?
     flag
   end