Update 2.21

Update 2.21

https://drive.google.com/file/d/0B-ZKEn57g3V0QkxMWi1oWDF5Zlk/view?usp=sharing
https://drive.google.com/file/d/0B-ZKEn57g3V0dW9uUWdjZ2ZhV2s/view?usp=sharing
https://drive.google.com/file/d/0B-ZKEn57g3V0c29fb2tFX04weUU/view?usp=sharing
https://drive.google.com/file/d/0B-ZKEn57g3V0eW5Xb3JyNXNiSFU/view?usp=sharing
https://drive.google.com/file/d/0B-ZKEn57g3V0ZW5wa1BCUE1DOUU/view?usp=sharing
Patch dành cho ai đã dow 2.20
https://drive.google.com/file/d/0B-ZKEn57g3V0c3FMaWFicTZhNk0/view?usp=sharing
https://drive.google.com/file/d/0B-ZKEn57g3V0cHBnLW5rSS1kTTQ/view?usp=sharing