我在Queue Matching中定义了绑定属性名字为“match”,但运行仿真的时候,出现这边一段话```7 I! B- O! ]" E: n3 Q! O; b
An entering item has not been assigned value for the Match Attribute named "match" ; z4 {) U3 q5 o# X# R* [/ q. _ N1 n6 u7 O$ L# r/ n
我应该怎样解决这个问题???* K8 x) v5 t& L& k- n& Y