diff --git a/app/controllers/gtask_banks_controller.rb b/app/controllers/gtask_banks_controller.rb
deleted file mode 100644
index 12cba1e6d..000000000
--- a/app/controllers/gtask_banks_controller.rb
+++ /dev/null
@@ -1,2 +0,0 @@
-class GtaskBanksController < ApplicationController
-end
diff --git a/app/controllers/gtopic_banks_controller.rb b/app/controllers/gtopic_banks_controller.rb
index 3629b87bc..002bc9848 100644
--- a/app/controllers/gtopic_banks_controller.rb
+++ b/app/controllers/gtopic_banks_controller.rb
@@ -9,7 +9,7 @@ class GtopicBanksController < ApplicationController
 
   def update
     @bank.update_attributes(gtopic_bank_params)
-    Attachment.associate_container(params[:attachment_ids], @graduation_topic.id, @graduation_topic.class) if params[:attachment_ids]
+    Attachment.associate_container(params[:attachment_ids], @bank.id, @bank.class) if params[:attachment_ids]
   end
 
   private
diff --git a/app/controllers/task_banks_controller.rb b/app/controllers/task_banks_controller.rb
new file mode 100644
index 000000000..7785d6d94
--- /dev/null
+++ b/app/controllers/task_banks_controller.rb
@@ -0,0 +1,32 @@
+class TaskBanksController < ApplicationController
+  before_action :require_login
+  before_action :find_bank
+  before_action :bank_admin, only: [:update]
+
+  def show
+    @bank_attachments = @bank.attachments
+  end
+
+  def update
+    @bank.update_attributes(gtask_bank_params)
+    Attachment.associate_container(params[:attachment_ids], @graduation_topic.id, @graduation_topic.class) if params[:attachment_ids]
+  end
+
+  private
+
+  def find_bank
+    @bank = GtaskBank.find_by!(id: params[:id])
+    tip_exception(403, "无权限") unless (current_user.certification_teacher? && (@bank.is_public || @bank.user_id == current_user.id)) || current_user.admin?
+  end
+
+  def bank_admin
+    tip_exception(403, "无权限") unless (current_user.certification_teacher? && @bank.user_id == current_user.id) || current_user.admin?
+  end
+
+  def gtask_bank_params
+    tip_exception("name参数不能为空") if params[:gtopic_bank][:name].blank?
+    tip_exception("description参数不能为空") if params[:gtopic_bank][:description].blank?
+    params.require(:gtopic_bank).permit(:name, :topic_type, :topic_source, :topic_property_first, :description,
+                                        :topic_property_second, :source_unit, :topic_repeat, :province, :city)
+  end
+end
diff --git a/app/views/task_banks/show.json.jbuilder b/app/views/task_banks/show.json.jbuilder
new file mode 100644
index 000000000..b929fafd8
--- /dev/null
+++ b/app/views/task_banks/show.json.jbuilder
@@ -0,0 +1,14 @@
+json.(@bank, :id, :name, :description, :task_type, :is_public)
+# 附件
+json.attachments @bank_attachments do |attachment|
+  json.partial! "attachments/attachment_simple", locals: {attachment: attachment}
+end
+
+# 分组要求
+if @bank.task_type == 2
+  json.group_info do
+    json.max_number @bank.max_num
+    json.min_number @bank.min_num
+    json.base_on_project @bank.base_on_project
+  end
+end