いいね機能実装でRouting Error

#routes.rb

Rails.application.routes.draw do
  get  'likes/index'
  post '/likes', to: 'likes#create' 

  devise_for :users
  root to: 'tweets#index'
  namespace :tweets do
    resources :searches, only: :index
  end
  resources :tweets do
    resources :likes, only: [:create, :destroy]
    resources :comments, only: :create
  end
  resources :users, only: :show

end

#likes_controller

class LikesController < ApplicationController
  def index
    @like_tweets = current_user.like_tweets
  end

  def create
    like = Like.new #Likeクラスのインスタンスを作成
    like.user_id = current_user.id #current_userのidを変数に代入
    like.tweet_id = params[:tweet_id]

    if like.save #likeが保存できているかどうかで条件分岐
      redirect_to tweets_path, success: 'いいねしました'
    else
      redirect_to tweets_path, danger: 'いいねに失敗しました'
    end
  end

  def destroy
    @like = Like.find_by(user_id: current_user.id, tweet_id: params[:tweet_id])
    @like.destroy
    redirect_to tweets_path, success: 'いいねを取り消しました'
  end
end

#_tweet.html.hml
    <div class="content_post" style="background-image: url(<%= tweet.image %>);">
      <div class="more">
        <span><%= image_tag 'arrow_top.png' %></span>
        <ul class="more_list">
          <li>
            <%= link_to '詳細', "/tweets/#{tweet.id}", method: :get %>
          </li>
          <% if user_signed_in? && current_user.id == tweet.user_id %>
            <li>
              <%= link_to '編集', "/tweets/#{tweet.id}/edit", method: :get %>
            </li>
            <li>
              <%= link_to '削除', "/tweets/#{tweet.id}", method: :delete %>
            </li>
          <% end %>
        </ul>
      </div>
      <%= simple_format(tweet.text) %>
      <span class="name">
        <a href="/users/<%= tweet.user.id %>">
          <span>投稿者</span><%= tweet.user.nickname %>
        </a>
      </span>
      <% if user_signed_in? && current_user.likes.find_by(tweet_id: tweet.id) %>  
        <%= link_to likes_path(tweet_id: tweet.id), method: :post do %>
          <i class="far fa-heart like-btn" ></i>
        <% end %>
      <% else %>
        <%= link_to likes_path(tweet_id: tweet.id), method: :delete do %>
          <i class="fas fa-heart unlike-btn"></i>
        <% end %>
      <% end %>
    </div>