diff --git a/format/aac/aac.go b/format/aac/aac.go
index cea04d5..12b404b 100644
--- a/format/aac/aac.go
+++ b/format/aac/aac.go
@@ -120,7 +120,7 @@ func Handler(h *avutil.RegisterHandler) {
 		return err == nil
 	}
 
-	fmt.Println("AAC handler!")
+	//fmt.Println("AAC handler!")
 
 	h.CodecTypes = []av.CodecType{av.AAC}
 }
diff --git a/format/format.go b/format/format.go
index 5b9ddfa..387bf79 100644
--- a/format/format.go
+++ b/format/format.go
@@ -1,8 +1,6 @@
 package format
 
 import (
-	"fmt"
-
 	"gitlab.com/ics_cinnamon/joy4/av/avutil"
 	"gitlab.com/ics_cinnamon/joy4/format/aac"
 	"gitlab.com/ics_cinnamon/joy4/format/raw"
@@ -17,5 +15,5 @@ func RegisterAll() {
 	avutil.DefaultHandlers.Add(aac.Handler)
 	avutil.DefaultHandlers.Add(raw.Handler)
 
-	fmt.Println("Handler Regi Done!")
+	//fmt.Println("Handler Regi Done!")
 }