diff --git a/ledis/const.go b/ledis/const.go
index 1c5eedd..26a429e 100644
--- a/ledis/const.go
+++ b/ledis/const.go
@@ -81,7 +81,7 @@ const (
 	MaxSetMemberSize int = 1024
 
 	//max value size
-	MaxValueSize int = 10 * 1024 * 1024
+	MaxValueSize int = 1024 * 1024 * 1024
 )
 
 var (