diff --git a/pkg/orm/trade.go b/pkg/orm/trade.go
index 00c204c..27c2ebc 100644
--- a/pkg/orm/trade.go
+++ b/pkg/orm/trade.go
@@ -97,7 +97,7 @@ func (o *ormImpl) FindAllBuys(tradeType string) ([]model.TradeRecord, error) {
 func (o *ormImpl) FindEarliestUnmatchedBuy(itemName, exterior string, paintSeed, paintIndex int, paintWear float64, beforeTime int64) (*model.TradeRecord, error) {
 	var buys []model.TradeRecord
 	err := o.db.Where(
-		"trade_type = 'buy' AND item_name = ? AND (exterior = ? OR exterior = '' OR ? = '') AND paint_seed = ? AND paint_index = ? AND paint_wear BETWEEN ? AND ? AND trade_at <= ? AND consumed_quantity < quantity",
+		"trade_type = 'buy' AND REPLACE(item_name, ' ', '') = REPLACE(?, ' ', '') AND (exterior = ? OR exterior = '' OR ? = '') AND paint_seed = ? AND paint_index = ? AND paint_wear BETWEEN ? AND ? AND trade_at <= ? AND consumed_quantity < quantity",
 		itemName, exterior, exterior, paintSeed, paintIndex, paintWear-0.0001, paintWear+0.0001, beforeTime,
 	).Order("trade_at ASC").Limit(1).Find(&buys).Error
 	if err != nil || len(buys) == 0 {
diff --git a/pkg/platform/csqaq/csqaq.go b/pkg/platform/csqaq/csqaq.go
index 50d435f..93fe038 100644
--- a/pkg/platform/csqaq/csqaq.go
+++ b/pkg/platform/csqaq/csqaq.go
@@ -44,7 +44,6 @@ func New(apiToken string, log Logger) *Client {
 		client: httpclient.New(
 			httpclient.WithBaseURL(apiBase),
 			httpclient.WithName("csqaq"),
-			httpclient.WithNoRetry(),
 		),
 		log: log,
 	}
@@ -100,12 +99,30 @@ var exteriorENToCN = map[string]string{
 }
 
 // ResolveGoodsInfo queries csqaq's get_good_id API by item name and matches
-// the result by exterior. Returns the csqaq goods ID and market_hash_name.
-func (c *Client) ResolveGoodsInfo(ctx context.Context, itemName, exterior string) (int, string, error) {
-	// Try with full item name first.
-	search := itemName
-	c.log.Debug("csqaq: resolve goods search", "search", search)
-	id, mhn, _ := c.searchGoods(ctx, search, itemName, exterior)
+// the result by exterior. marketHashName (if already known from source data)
+// is used for disambiguation in matchGoods and as a fallback search term.
+func (c *Client) ResolveGoodsInfo(ctx context.Context, itemName, exterior, marketHashName string) (int, string, error) {
+	// If we already know the canonical English name, use it directly.
+	// It's the most reliable search term and avoids wasting rate limit
+	// budget on Chinese name searches that often don't match.
+	if marketHashName != "" {
+		c.log.Debug("csqaq: resolve goods search by mhn", "marketHashName", marketHashName)
+		id, mhn, err := c.searchGoods(ctx, marketHashName, itemName, exterior, marketHashName)
+		if err != nil {
+			c.log.Warn("csqaq: mhn search failed", "marketHashName", marketHashName, "err", err)
+		}
+		if id != 0 {
+			c.log.Debug("csqaq: mhn matched", "goodID", id, "mhn", mhn)
+			return id, mhn, nil
+		}
+	}
+
+	// Try with full Chinese item name.
+	c.log.Debug("csqaq: resolve goods search", "search", itemName)
+	id, mhn, err := c.searchGoods(ctx, itemName, itemName, exterior, marketHashName)
+	if err != nil {
+		c.log.Warn("csqaq: search goods failed", "search", itemName, "err", err)
+	}
 	if id != 0 {
 		return id, mhn, nil
 	}
@@ -114,9 +131,12 @@ func (c *Client) ResolveGoodsInfo(ctx context.Context, itemName, exterior string
 	if exterior != "" {
 		if idx := strings.LastIndex(itemName, "|"); idx >= 0 {
 			skin := strings.TrimSpace(itemName[idx+1:])
-			search = skin + " (" + exterior + ")"
+			search := skin + " (" + exterior + ")"
 			c.log.Debug("csqaq: fallback search", "search", search)
-			id, mhn, _ = c.searchGoods(ctx, search, itemName, exterior)
+			id, mhn, err = c.searchGoods(ctx, search, itemName, exterior, marketHashName)
+			if err != nil {
+				c.log.Warn("csqaq: fallback search failed", "search", search, "err", err)
+			}
 			if id != 0 {
 				c.log.Debug("csqaq: fallback matched", "goodID", id, "mhn", mhn)
 				return id, mhn, nil
@@ -128,7 +148,7 @@ func (c *Client) ResolveGoodsInfo(ctx context.Context, itemName, exterior string
 	return 0, "", nil
 }
 
-func (c *Client) searchGoods(ctx context.Context, search, itemName, exterior string) (int, string, error) {
+func (c *Client) searchGoods(ctx context.Context, search, itemName, exterior, marketHashName string) (int, string, error) {
 	body, err := json.Marshal(map[string]any{
 		"page_index": 1,
 		"page_size":  20,
@@ -158,7 +178,7 @@ func (c *Client) searchGoods(ctx context.Context, search, itemName, exterior str
 		return 0, "", fmt.Errorf("csqaq: get_good_id api error code=%d msg=%q", ar.Code, ar.Msg)
 	}
 
-	id, mhn := matchGoods(ar.Data.Data, itemName, exterior)
+	id, mhn := matchGoods(ar.Data.Data, itemName, exterior, marketHashName)
 	return id, mhn, nil
 }
 
@@ -170,7 +190,7 @@ func normalizeName(s string) string {
 	return s
 }
 
-func matchGoods(data map[string]goodsInfo, itemName, exterior string) (int, string) {
+func matchGoods(data map[string]goodsInfo, itemName, exterior, marketHashName string) (int, string) {
 	if len(data) == 0 {
 		return 0, ""
 	}
@@ -182,9 +202,21 @@ func matchGoods(data map[string]goodsInfo, itemName, exterior string) (int, stri
 		}
 	}
 
+	// Multiple results — try matching by known market_hash_name first.
+	// This handles cases where platforms use incompatible Chinese translations
+	// for the same skin (e.g. "消音版" vs "消音型"), since v.MarketHashName
+	// is the canonical English name and will match the known value.
+	if marketHashName != "" {
+		for _, v := range data {
+			if normalizeName(v.MarketHashName) == normalizeName(marketHashName) {
+				return v.ID, v.MarketHashName
+			}
+		}
+	}
+
 	normItem := normalizeName(itemName)
 
-	// Multiple results — try to disambiguate by exterior.
+	// Try to disambiguate by exterior in v.Name.
 	if exterior != "" {
 		cnExt := exterior
 		if en, ok := exteriorENToCN[exterior]; ok {
diff --git a/pkg/platform/price_provider.go b/pkg/platform/price_provider.go
index ed1b9aa..657cf60 100644
--- a/pkg/platform/price_provider.go
+++ b/pkg/platform/price_provider.go
@@ -15,5 +15,5 @@ type PriceInfo struct {
 
 type PriceProvider interface {
 	GetPrices(ctx context.Context, marketHashNames []string) ([]PriceInfo, error)
-	ResolveGoodsInfo(ctx context.Context, itemName, exterior string) (goodID int, marketHashName string, err error)
+	ResolveGoodsInfo(ctx context.Context, itemName, exterior, marketHashName string) (goodID int, resolvedMHN string, err error)
 }
diff --git a/pkg/service/market/service.go b/pkg/service/market/service.go
index f0501f0..d502ddb 100644
--- a/pkg/service/market/service.go
+++ b/pkg/service/market/service.go
@@ -22,6 +22,7 @@ type MarketService struct {
 	ttlMin      int
 	provider    platform.PriceProvider
 	stopRefresh chan struct{}
+	startMu     sync.Mutex
 	refreshMu   sync.Mutex
 	refreshWg   sync.WaitGroup
 }
@@ -131,6 +132,8 @@ func (s *MarketService) GetAllPrices() ([]platform.PriceInfo, error) {
 // StartAutoRefresh begins periodic full refresh of all market prices.
 // Safe to call multiple times — waits for previous loop to finish before starting a new one.
 func (s *MarketService) StartAutoRefresh(_ context.Context) {
+	s.startMu.Lock()
+	defer s.startMu.Unlock()
 	if s.stopRefresh != nil {
 		close(s.stopRefresh)
 		s.refreshWg.Wait()
@@ -277,7 +280,7 @@ func (s *MarketService) resolveMissingGoods(ctx context.Context) {
 			continue
 		}
 
-		goodID, mhn, err := s.provider.ResolveGoodsInfo(ctx, k.ItemName, k.Exterior)
+		goodID, mhn, err := s.provider.ResolveGoodsInfo(ctx, k.ItemName, k.Exterior, s.findMarketHashName(k))
 		if err != nil {
 			s.log.Warn("market: resolve goods failed", "itemName", k.ItemName, "exterior", k.Exterior, "err", err)
 			continue
@@ -316,6 +319,32 @@ func (s *MarketService) findExistingGoods(k struct {
 	return 0, ""
 }
 
+// findMarketHashName returns any known market_hash_name for an item+exterior pair,
+// even if csqaq_goods_id hasn't been resolved yet. Useful as a canonical search term
+// when the Chinese item_name doesn't match csqaq's naming.
+func (s *MarketService) findMarketHashName(k struct {
+	ItemName string
+	Exterior string
+}) string {
+	for _, table := range []string{"inventory", "trade_records"} {
+		var mhn string
+		row := s.db.Table(table).
+			Select("market_hash_name").
+			Where("item_name = ? AND exterior = ? AND market_hash_name != ''", k.ItemName, k.Exterior).
+			Row()
+		if row == nil {
+			continue
+		}
+		if err := row.Scan(&mhn); err != nil {
+			continue
+		}
+		if mhn != "" {
+			return mhn
+		}
+	}
+	return ""
+}
+
 func (s *MarketService) updateGoods(k struct {
 	ItemName string
 	Exterior string