fix error when at product detail page

venshop_app/app/controllers/products_controller.rb

@@ -8,7 +8,7 @@ class ProductsController < ApplicationController
 
   def show
     if Product.where(id: params[:id]).exists?
-      @product = Product.where(id: params[:id])
+      @product = Product.find_by(id: params[:id])
       unless @product.status
         user = current_user
         if user.blank? || @product.user_id != user.id