is ' Q% _) H2 u8 |1 @( rdo 8 B, e' q) E' F- F& U if backfire1.ready and backfire1.cont.Attribute="warmup" and backfire1.cont.name="mar" and quench3.empty+ Z' W: m% r, R8 M
then backfire1.cont.move(quench3);9 U9 \+ v' H9 a) W& O7 e
end; 4 b! u# c+ S; E0 ^* y9 b9 Y. ^end;2 A7 a2 y% |6 w r4 a
: ^; d8 C& L& Z, n
运行的时候总是跳出错误提示:Unknown identifier Attribute;7 s% G1 B$ Z5 x {9 n% n; C
' r; j( k E! \* @( D2 ?- I
请问前辈们这是为什么?怎么修正?