Cannot_Change_When_After_Inspection true DataMigration_Flag__c = false && NOT( ISPICKVAL(Change_Point__c, '删除') ) && NOT(ISBLANK(After_Inspection_time__c)) && ISCHANGED(After_Inspection_time__c) = false && ISCHANGED(AcceptanceTime__c) 验收后的收货清单配套一览明细不能变更清点时间