wrong number of arguments (1 for 2) ，找了好久没搞定，求大神指点迷津，谢谢

报错指向：if @feedback.update(:optype=> Feedback::OPTYPE[:complain])

class FeedbacksController < ApplicationController

  before_action :feedback_permission, only:[ :complain, :update, :show, :edit, ]

  def index
    @optype = params[:optype]
    @state = params[:state]
    cond_arr = []
    cond_arr << [:optype,@optype] if @optype.present?
    cond_arr << [:state,@state] if @state.present?
    hash = Hash[*cond_arr.flatten]
    if hash.blank?
      @feedbacks =  Feedback.recent.where(:optype=>[2,3]).page params[:page]
    else
      @feedbacks =  @current_user.feedbacks.recent.where(hash).page params[:page]
    end

  end



  def new
      @feedback = Feedback.new
  end

  def create
    @feedback = Feedback.new(feedback_params)
    respond_to do |format|  
      if @feedback.save
          format.html { redirect_to feedbacks_url, notice: '创建成功' }
        format.json { render :show, status: :created, location: @feedback }
      else
        format.html { render :new }
        format.json { render json: @feedback.errors, status: :unprocessable_entity }
      end
    end
  end



  def edit
  end  

  def update
    @feedback.optype = params[:optype]
    if
      @feedback.optype == 1

      @feedback_ids = params[:feedback]
    end  



    respond_to do |format|
       if feedback.update(feedback_params)

        format.html { redirect_to feedbacks_url, notice: '更新成功.' }
        format.json { render :show, status: :ok, location: @feedback }

       end
    end
  end

  def show
  end 


  def complain
    if @feedback.update(:optype=> Feedback::OPTYPE[:complain])
      redirect_to items_url, notice: '发布成功.'  
    end
  end

  # def destroy
    #   @feedback.destroy
    #   respond_to do |format|
    #       format.html{redirect_to admin_feedbacks_url, notice:"删除成功"}
    #       format.json{render :no_content}
    #   end
  # end

  private
  # def set_feedback
  #   @feedback = Feedback.find(params[:id])
  # end
  def feedback_permission
    @feedback = Feedback.where(:id => params[:id])
  end  
  def feedback_params
      params.require(:feedback).permit(:user_id, :item_id, :state, :optype, :classify, :desc, :phone, :item_name, :fd_name)

  end


end