diff --git a/server/marketserver/api/v1/market/marketsecondary.go b/server/marketserver/api/v1/market/marketsecondary.go
index e7e5276e..8337325b 100644
--- a/server/marketserver/api/v1/market/marketsecondary.go
+++ b/server/marketserver/api/v1/market/marketsecondary.go
@@ -47,7 +47,7 @@ func (this *MarketApi) LockList(c *gin.Context) {
 	sql := fmt.Sprintf(`
 	SELECT * FROM t_nft 
 	WHERE idx > %d AND net_id = %d AND owner_address = '%s' AND last_lock_address = ? `,
-		cursor, netId, nftLockMeta.GetAddress())
+		cursor, netId, strings.ToLower(nftLockMeta.GetAddress()))
 
 	params := []string{owner}
 	subFilters := []f5.DbQueryFilter{}