20260403 交易币种（退款）

src/main/java/com/example/demo/serviceImpl/cash/CashRefundServiceImpl.java

@@ -558,6 +558,7 @@ public class CashRefundServiceImpl implements RefundService {
                         // 5. 插入退款流水（amount 存负数，表示扣减）
                         UserWalletRecord refundRecord = new UserWalletRecord();
                         refundRecord.setType(2);  // 充值退款类型
+                        refundRecord.setTransactionCurrency("金币"); // 交易币种
                         refundRecord.setJwcode(userGoldRecord.getJwcode());
                         refundRecord.setWalletId(walletId);
                         refundRecord.setAmount(refundAmount.negate().intValue());  // 🔥 负数扣款

src/main/java/com/example/demo/serviceImpl/coin/AuditServiceImpl.java

@@ -252,6 +252,7 @@ public class AuditServiceImpl implements AuditService {
                             refundRecord.setJwcode(order.getJwcode());
                             refundRecord.setWalletId(walletId);
                             refundRecord.setType(2); // 退款类型
+                            refundRecord.setTransactionCurrency("金币"); // 交易币种
                             refundRecord.setAmount(refundAmount.intValue()); // 🔥 退款存正数
                             refundRecord.setOrderCode(order.getOrderCode());
                             if(refundModel==0){

src/main/resources/mapper/WalletMapper.xml

@@ -2,8 +2,8 @@
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="com.example.demo.mapper.coin.WalletMapper">
     <insert id="addUserWalletRecord">
-        insert into user_wallet_record(jwcode, wallet_id, type, amount, order_code, description, status)
-        values(#{jwcode}, #{walletId}, #{type}, #{amount}, #{orderCode}, #{description}, 1)
+        insert into user_wallet_record(jwcode, wallet_id, type, transaction_currency, amount, order_code, description, status)
+        values(#{jwcode}, #{walletId}, #{type}, #{transactionCurrency}, #{amount}, #{orderCode}, #{description}, 1)
     </insert>
     <insert id="insert">
         insert into user_region_wallet(jwcode, wallet_id, current_permanent_gold)
@@ -45,6 +45,7 @@
         select jwcode,
                wallet_id,
                type,
+               transaction_currency,
                amount,
                order_code,
                description,