🐛 修改余额问题

internal/service/balance/balance_service.go

@@ -6,21 +6,27 @@ import (
 	"likedream-goframe/internal/db"
 	"likedream-goframe/internal/ent/sysuser"
 	"likedream-goframe/internal/utils"
+	"sync"
 
 	"github.com/samber/oops"
 	"github.com/shopspring/decimal"
 )
 
-var BalanceService = &BalanceServiceV1{}
+var BalanceService = &BalanceServiceV1{
+	lock: sync.Mutex{},
+}
 
 type BalanceServiceV1 struct {
+	lock sync.Mutex
 }
 
 func (v *BalanceServiceV1) ChangeUserBalance(ctx context.Context, userId int64, balance decimal.Decimal) {
+	v.lock.Lock()
+	defer v.lock.Unlock()
 	tx, err := db.Global.Tx(ctx)
 	utils.OkOrPanic(err, oops.WithContext(ctx).Wrap)
 	defer tx.Rollback()
-	user := tx.SysUser.Query().Where(sysuser.ID(userId)).WithRoles().ForUpdate().OnlyX(ctx)
+	user := tx.SysUser.Query().Where(sysuser.ID(userId)).WithRoles().OnlyX(ctx)
 	newBalance := user.Balance.Add(balance)
 	if newBalance.LessThan(decimal.Zero) {
 		utils.OkOrPanic(errors.NewBusinessError(400, "余额不足"))