hello, we lost china's visa group in 3 days ago but we have passport and, i informed police ,but they told me that sponcor or some body that is invited you ,he shall be come to the immigration police station and he will be solved your problem when i call to the sponcor for helping me; he told me that i have to pay 1000 $ to him for solving our problem! i don,t have enough money.my visa group expire date is 6 nove.what should i do?i want to come back to my country. what happen for me if i will be over stay?Does the china's goverment helps me to comeback to my country?