diff --git a/cveapi/cve_client.go b/cveapi/cve_client.go
index be0b0bef..991bf635 100644
--- a/cveapi/cve_client.go
+++ b/cveapi/cve_client.go
@@ -52,7 +52,7 @@ func (api cvedictClient) CheckHealth() (ok bool, err error) {
 	var resp *http.Response
 	resp, _, errs = gorequest.New().SetDebug(config.Conf.Debug).Get(url).End()
 	//  resp, _, errs = gorequest.New().Proxy(api.httpProxy).Get(url).End()
-	if len(errs) > 0 || resp.StatusCode != 200 {
+	if len(errs) > 0 || resp == nil || resp.StatusCode != 200 {
 		return false, fmt.Errorf("Failed to request to CVE server. url: %s, errs: %v",
 			url,
 			errs,
@@ -218,7 +218,7 @@ func (api cvedictClient) httpPost(key, url string, query map[string]string) ([]c
 			req = req.Send(fmt.Sprintf("%s=%s", key, query[key])).Type("json")
 		}
 		resp, body, errs = req.End()
-		if len(errs) > 0 || resp.StatusCode != 200 {
+		if len(errs) > 0 || resp == nil || resp.StatusCode != 200 {
 			return fmt.Errorf("HTTP POST errors: %v, code: %d, url: %s", errs, resp.StatusCode, url)
 		}
 		return nil