钱包跨链闪退

 java.lang.NullPointerException: Attempt to read from field 'int java.math.BigDecimal.scale' on a null object reference in method 'int java.math.BigDecimal.compareTo(java.math.BigDecimal)'
                                                                                                    
at java.math.BigDecimal.compareTo(BigDecimal.java:3133)
                                                                                                    
at java.math.BigDecimal.max(BigDecimal.java:3271)
                                                                                                    
at com.arcblock.wallet.wallet.mvp.presenter.RollupInitPresenter.calculateFee(SourceFile:102)
                                                                                                    
at com.arcblock.wallet.wallet.mvp.presenter.RollupInitPresenter$checkBridgeFee$2.invokeSuspend(SourceFile:67)
                                                                                                    
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(SourceFile:12)
                                                                                                    
at kotlinx.coroutines.UndispatchedCoroutine.afterResume(SourceFile:60)
                                                                                                    
at kotlinx.coroutines.AbstractCoroutine.resumeWith(SourceFile:16)
                                                                                                    
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(SourceFile:48)
                                                                                                    
at kotlinx.coroutines.DispatchedTask.run(SourceFile:124)
                                                                                                    
at kotlinx.coroutines.internal.LimitedDispatcher$Worker.run(SourceFile:4)
                                                                                                    
at kotlinx.coroutines.scheduling.TaskImpl.run(SourceFile:3)
                                                                                                    
at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(SourceFile:1)
                                                                                                    
at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.executeTask(SourceFile:15)
                                                                                                    
at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.runWorker(SourceFile:29)
                                                                                                    
at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(Unknown Source:0)