sorry, now I can't input Chinese und my English is soooooo poor. + X8 V/ f7 M6 ? a+ o7 E3 V
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make a droptest / E. ` j: h- A' H . a% N% Y/ G9 P( N: V) T, S+ B! ~4 w4 ^3 iI don't know why my model has always gone through the ground-part. Can you understand me?? Help me pleeeeeeease!!% P7 c2 y: ]9 g7 e
7 N2 o: ?/ @4 ]% E% GThank you very much!!!!!4 V% G( W& W1 [' z: a