diff --git a/server/marketserver/cache/nft.go b/server/marketserver/cache/nft.go
index 8cf26df7..27eadeb3 100644
--- a/server/marketserver/cache/nft.go
+++ b/server/marketserver/cache/nft.go
@@ -1,7 +1,11 @@
 package cache
 
+import (
+	"f5"
+)
+
 type nft struct {
-	refreshTime int32
+	refreshTime int64
 	rawData string
 	jsonData interface{}
 }
@@ -16,5 +20,6 @@ func (this *nft) GetJsonData() interface{} {
 
 func newNft() *nft {
 	p := new(nft)
+	p.refreshTime = f5.GetApp().GetRealSeconds()
 	return p
 }