Apple laptop 12 inch notebook battery recall?

[xiang2011]

I want to know if anybody experience problems like me too. I have 12inch since jan. My laptop is always very hot but beside that I notice a black line around my laptop cover on the top and bottom. It looks like overheated burn lines. Did anyone experience the same problem. Shall I have to change my Apple Laptop Battery? How about buying the Laptop Battery such as Asus Laptop Battery?