diff --git a/core/query.go b/core/query.go
index 58dad1e3e..08361b06d 100644
--- a/core/query.go
+++ b/core/query.go
@@ -296,7 +296,7 @@ func (self *Service) GetQueryStepHandler(msg *db.Message) {
 	bh, err := self.Index.Get(qs.Location.FragmentId, qs.Bitmap.Id)
 	if err != nil {
 		spew.Dump(err)
-		log.Error("GetQueryStepHandler1", qs.Location.FragmentId, qs.Bitmap.Id)
+		log.Error("GetQueryStepHandler1", util.SUUID_to_Hex(qs.Location.FragmentId), qs.Bitmap.Id)
 		log.Error("GetQueryStepHandler2", err)
 	}
 
@@ -307,7 +307,7 @@ func (self *Service) GetQueryStepHandler(msg *db.Message) {
 		bm, err := self.Index.GetBytes(qs.Location.FragmentId, bh)
 		if err != nil {
 			spew.Dump(err)
-			log.Error("GetQueryStepHandlerr3", qs.Location.FragmentId, qs.Bitmap.Id)
+			log.Error("GetQueryStepHandlerr3", util.SUUID_to_Hex(qs.Location.FragmentId), qs.Bitmap.Id)
 			log.Error("GetQueryStepHandler4", err)
 		}
 		result = bm
diff --git a/index/brand.go b/index/brand.go
index b0af55c98..cfc4a2d0a 100644
--- a/index/brand.go
+++ b/index/brand.go
@@ -266,14 +266,16 @@ func (self *Brand) TopNAll(n int, categories []uint64) []Pair {
 		if count >= n {
 			break
 		}
-		results = append(results, Pair{pair.Key, pair.Count})
+		if pair.Count > 0 {
+			results = append(results, Pair{pair.Key, pair.Count})
+		}
 		count++
 	}
 	return results
 }
 
 func (self *Brand) TopNCat(src_bitmap IBitmap, n int, category *IntSet) []Pair {
-	breakout := 500
+	breakout := 1000
 	var (
 		o       *Rank
 		results RankList