update cmd run to wait

main.go

@@ -24,8 +24,11 @@ func main() {
 }
 
 func downloadGeoDB() {
+	log.Println("start download new geoip db")
 	cmd := exec.Command("/usr/bin/download-geodb.sh")
-	err := cmd.Run()
+	cmd.Start()
+
+	err := cmd.Wait()
 	if err != nil {
 		log.Printf("command run fail:: %v \n", err)
 	}