请问我在用MASTERCAM XMR2的时候开始是好的过二个小时以后就会出现如下图的报警信息 6 G% A4 d8 r1 n) u<The SIM has become disconnected 1 k9 E4 W/ h# M
mastercam will be automatically shut q/ Y1 f( i" G6 s% h Y! k& qyou will get one chance to saveyour>2 g1 k M6 W; Q5 p F4 q. e4 z
然后就自动关闭. 5 y9 _! D9 o0 G0 G Y. P. s
那位大侠能帮帮我啊