那是设置的原因,在mold_defaults.def里边, Electrode Functions
!The MW_ElectrodeMethod variable specifies wich method will be used to create
!electrode envelopes for electrodes.
!
!=0 Create Electrode by Envelope method
!=1 Create Electrode by Standard Part method
!=2 Provide dialog to select by Envelope method or by Standard Part method
!
MW_ElectrodeMethod: 0
这样就可以了