修复 用异常不能捕捉的问题

src/plugins/model/TxModel.js

@@ -102,7 +102,7 @@ export default class TxModel {
             // transferList的format
             for (const transfer of localRecord.transferList) {
                 try {
-                    if (transfer.tokenDecimals !== undefined) {
+                    if (transfer.tokenDecimals !== undefined && transfer.tokenDecimals !== null) {
                         transfer.amount = parseInt(transfer.amountStr) / (10 ** transfer.tokenDecimals)
                     } else {
                         transfer.amount = parseInt(transfer.amountStr)