modify import

diff --git a/database/cache.go b/database/cache.go
index 5dc7476..224d554 100644 (file)
--- a/database/cache.go
+++ b/database/cache.go
@@ -3,10 +3,9 @@ package database
 import (
        "fmt"
 
-       "github.com/vapor/common"
-
        "github.com/golang/groupcache/singleflight"
 
+       "github.com/vapor/common"
        "github.com/vapor/protocol/bc"
        "github.com/vapor/protocol/bc/types"
 )