Use the regular price function of simple product type into the auction type in woocommerce (3)

My website uses Woocomerce, WCFM Marketplace – Best Multivendor Marketplace for WooCommerce, WCFM - WooCommerce Frontend Manager, WCFM - WooCommerce Frontend Manager - Ultimate, WooCommerce Simple Auction plugin Regular price and simple product are the primary of woocommerce Auction type is the type of woocommerce simple auction There are my issues: (1) I want to use the regular price function of simple product type into the auction type such as in the [login to view URL] image description. The price which in the image is the bid price of woocommerce simple auction as default. If I set the regular price in simple product type, it will shows auction type. (2) The user can add the regular price and auction price in his/her cart, then click pay with them (3) Account demo to login website: Login link: [login to view URL] User: ngocbach2411 Pass: aBc@12356 I will send you the code files and other relative thing via google drive if you need