diff --git a/config.yml b/config.yml
index 7454527..9b85cad 100644
--- a/config.yml
+++ b/config.yml
@@ -3,13 +3,14 @@ ports:
 
 bootstrapDns:
   - https://1.1.1.1/dns-query
-startVerifyUpstream: true
 connectIPVersion: v4
 
 upstreams:
   groups:
     default:
       - https://cloudflare-dns.com/dns-query
+  init:
+    strategy: fast
 
 blocking:
   blackLists: