1、response修改 2、负数扣款

apps/user/internal/model/walletsmodel.go

@@ -51,11 +51,6 @@ func (m *customWalletsModel) UpdateBalance(session sqlx.Session, ctx context.Con
 		return err
 	}
 
-	// 检查余额是否足够
-	if wallet.Balance+amount < 0 {
-		return ErrBalanceNotEnough
-	}
-
 	// 使用乐观锁更新余额
 	result, err := session.Exec("UPDATE wallets SET balance = balance + ?, version = version + 1 WHERE user_id = ? AND version = ?", amount, userId, wallet.Version)
 	if err != nil {