diff --git a/server/light_backtask/task/refresh_meta.go b/server/light_backtask/task/refresh_meta.go
index a528b865..ae4095a0 100644
--- a/server/light_backtask/task/refresh_meta.go
+++ b/server/light_backtask/task/refresh_meta.go
@@ -11,6 +11,7 @@ import (
 	"strings"
 	"net/http"
 	"io/ioutil"
+	"time"
 )
 
 type nftInfo struct {
@@ -88,7 +89,7 @@ SELECT * FROM t_nft WHERE idx > %d AND net_id = %d AND last_refresh_meta_time =
 		func () int64 {
 			this.doRefresh()
 			this.batchNfts = []*nftInfo{}
-			return 60 + 10
+			return 60 * 60
 		},
 		this.repairNftMeta)
 }
@@ -192,4 +193,5 @@ func (this* refreshMeta) internalRefresh(contractAddress string, nftMetas []*nft
 			fmt.Printf("http error  read %s", err)
 		}
 	}
+	time.Sleep(time.Second * 60 + 10)
 }