diff --git a/cve-vulner-manager/conf/product_app.conf b/cve-vulner-manager/conf/product_app.conf
index 2711e78d2ae97c0690f918dc12877bcc7f96814f..a66e8bf3f7241d3beaeda9411698fd1de7900ebd 100644
--- a/cve-vulner-manager/conf/product_app.conf
+++ b/cve-vulner-manager/conf/product_app.conf
@@ -93,7 +93,7 @@ genexcelflag = 1
 genexcel = 0 15 15 * * *
 days = -30
 prcnum = 50
-printlogflag = 1
+printlogflag = 2
 printlog = 0 0 1 * * 2,4,6
 unlockflag = 1
 unlock = 0 */5 * * * *
diff --git a/cve-vulner-manager/cve-timed-task/util/crawl.go b/cve-vulner-manager/cve-timed-task/util/crawl.go
index 71af4ef9f9ad46fd3723bf642768643f3dbd37c7..81a87ccebda032da3372c13dcfced9c5f44c43ec 100644
--- a/cve-vulner-manager/cve-timed-task/util/crawl.go
+++ b/cve-vulner-manager/cve-timed-task/util/crawl.go
@@ -1,18 +1,20 @@
 package util
 
 import (
+	"net/http"
+
 	"github.com/pkg/errors"
 	"golang.org/x/net/html"
 	"golang.org/x/net/html/charset"
-	"net/http"
 )
 
 func UrlToHTML(url string) (*html.Node, error) {
 	resp, err := http.Get(url)
-	defer resp.Body.Close()
-	if err != nil {
+	if err != nil || resp == nil {
 		return nil, err
 	}
+	defer resp.Body.Close()
+
 	if resp.StatusCode != http.StatusOK {
 		return nil, errors.New(resp.Status)
 	}