diff --git a/pkg/pricefiller/price_fillter.go b/pkg/pricefiller/price_fillter.go
index 4215da2..71e5ca8 100644
--- a/pkg/pricefiller/price_fillter.go
+++ b/pkg/pricefiller/price_fillter.go
@@ -17,9 +17,11 @@ const (
 	NetworkETHChanID               = 1
 	NetworkETH                     = "ETH"
 	updateAllCoinInfoInterval      = time.Hour
-	backfillTradeLogsPriceInterval = time.Hour
+	backfillTradeLogsPriceInterval = 30 * time.Second
+	backfillTradeLogsLimit         = 60
 	addressETH                     = "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee"
 	coinUSDT                       = "USDT"
+	invalidSymbolErrString         = "<APIError> code=-1121, msg=Invalid symbol."
 )
 
 var (
@@ -136,7 +138,7 @@ func (p *PriceFiller) runBackFillTradelogPriceRoutine() {
 	for range ticker.C {
 		tradeLogs, err := p.s.Get(storage.TradeLogsQuery{
 			State: string(storage.TradeLogStateNew),
-			Limit: 100,
+			Limit: backfillTradeLogsLimit,
 		})
 		if err != nil {
 			p.l.Errorw("Failed to get tradeLogs", "err", err)
@@ -157,8 +159,10 @@ func (p *PriceFiller) fullFillTradeLog(tradeLog storage.TradeLog) (storage.Trade
 	makerPrice, makerUsdAmount, err := p.getPriceAndAmountUsd(strings.ToLower(tradeLog.MakerToken),
 		tradeLog.MakerTokenAmount, int64(tradeLog.Timestamp))
 	if err != nil {
-		p.l.Errorw("Failed to getPriceAndAmountUsd for maker", "err", err)
-		return tradeLog, err
+		if err.Error() != invalidSymbolErrString {
+			p.l.Errorw("Failed to getPriceAndAmountUsd for maker", "err", err)
+			return tradeLog, err
+		}
 	}
 
 	tradeLog.MakerTokenPrice = makerPrice
@@ -167,8 +171,10 @@ func (p *PriceFiller) fullFillTradeLog(tradeLog storage.TradeLog) (storage.Trade
 	takerPrice, takerUsdAmount, err := p.getPriceAndAmountUsd(strings.ToLower(tradeLog.TakerToken),
 		tradeLog.TakerTokenAmount, int64(tradeLog.Timestamp))
 	if err != nil {
-		p.l.Errorw("Failed to getPriceAndAmountUsd for taker", "err", err)
-		return tradeLog, err
+		if err.Error() != invalidSymbolErrString {
+			p.l.Errorw("Failed to getPriceAndAmountUsd for taker", "err", err)
+			return tradeLog, err
+		}
 	}
 
 	tradeLog.TakerTokenPrice = takerPrice