dca2: fix order group id not set issue

pkg/strategy/dca2/strategy.go

@@ -172,6 +172,10 @@ func (s *Strategy) Run(ctx context.Context, _ bbgo.OrderExecutor, session *bbgo.
 		s.Position = types.NewPositionFromMarket(s.Market)
 	}
 
+	if s.OrderGroupID == 0 {
+		s.OrderGroupID = util.FNV32(instanceID) % math.MaxInt32
+	}
+
 	// round collector
 	s.roundCollector = NewRoundCollector(s.logger, s.Symbol, s.OrderGroupID, s.ExchangeSession.Exchange)
 	if s.roundCollector == nil {
@@ -207,10 +211,6 @@ func (s *Strategy) Run(ctx context.Context, _ bbgo.OrderExecutor, session *bbgo.
 	s.OrderExecutor.BindEnvironment(s.Environment)
 	s.OrderExecutor.Bind()
 
-	if s.OrderGroupID == 0 {
-		s.OrderGroupID = util.FNV32(instanceID) % math.MaxInt32
-	}
-
 	// order executor
 	s.OrderExecutor.TradeCollector().OnPositionUpdate(func(position *types.Position) {
 		s.logger.Infof("POSITION UPDATE: %s", s.Position.String())