谷歌地图在bootstrap模式不能正常工作

I'm trying to show a google map in bootstrap modal for some days now, i searched all the answers here discussing this topic but till now nothing worked for me. I understand that I have to use the resize trigger after the modal is open and indeed i used it but nothing seems to work for me and it is very frustrating. PLS help!I'm trying to show a google map in bootstrap mo