uninitialized constant TimelistsController::Timelistとなる

出たエラー

NameError in TimelistsController#index
uninitialized constant TimelistsController::Timelist
Extracted source (around line #4):
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before_action :require_user_logged_in
def index
@timelists = Timelist.all
end
def create
@timelist = Timelist.new(time_params)

Rails.root: /home/ec2-user/environment/lifemanagements

Application Trace | Framework Trace | Full Trace
app/controllers/timelists_controller.rb:4:in `index'
Request
Parameters:

None
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Response
Headers:

None

ネットで調べたところによる原因

ファイル名とクラス名の不一致と書いてあったのですが、
https://gyazo.com/169b56a00211a9398ca99101c2ff04a4

class TimelistsController < ApplicationController
  before_action :require_user_logged_in
  def index
    @timelists =  Timelist.all
  end
  def create
    @timelist = Timelist.new(time_params)
    if @timelist.save
      flash.now[:success] = "投稿しました。"
      render "toppages/index"
    else
      
      flash.now[:danger] = "投稿できませんでした。"
      render "toppages/index"
    end
  end
  
  def destroy
    @timelist = Timelist.find(params[:id])
    @timelist.destroy
    
    flash.now[:success] = "行動を記録しました。"
    render "times.index"
  end
  
  def time_params
    params.require(:timemanagement).permit(:content)
  end
end