diff --git a/ledis/const.go b/ledis/const.go
index 3e17a95..5c208ab 100644
--- a/ledis/const.go
+++ b/ledis/const.go
@@ -76,7 +76,7 @@ const (
 	MaxSetMemberSize int = 1024
 
 	//max value size
-	MaxValueSize int = 10 * 1024 * 1024
+	MaxValueSize int = 1024 * 1024 * 1024
 )
 
 var (