划转优化

src/balance/balance.service.ts

@@ -96,6 +96,13 @@ export class BalanceService {
                     userId: targetUserId
                 }
             })
+            // 如果余额不存在
+            if (!targetBalance) {
+                targetBalance = new Balance()
+                targetBalance.userId = targetUserId
+                targetBalance.currentBalance = 0.00
+                targetBalance.totalBalance = 0.00
+            }
             // 将余额划转目标用户
             if (balance.currentBalance >= amount) {
                 const amountDecimal = new Decimal(amount)