diff --git a/app/src/main/java/com/github/catvod/net/Cronet.java b/app/src/main/java/com/github/catvod/net/Cronet.java
index d13f471c..bf03e80a 100644
--- a/app/src/main/java/com/github/catvod/net/Cronet.java
+++ b/app/src/main/java/com/github/catvod/net/Cronet.java
@@ -1,6 +1,5 @@
 package com.github.catvod.net;
 
-import com.github.catvod.crawler.Spider;
 import com.github.catvod.spider.Init;
 import com.google.net.cronet.okhttptransport.CronetInterceptor;
 
@@ -9,7 +8,6 @@ import org.chromium.net.CronetEngine;
 import java.util.List;
 import java.util.Map;
 
-import okhttp3.Dns;
 import okhttp3.OkHttpClient;
 
 public class Cronet {
@@ -55,14 +53,6 @@ public class Cronet {
         return get().noRedirect;
     }
 
-    public static Dns safeDns() {
-        try {
-            return (Dns) Spider.class.getMethod("safeDns").invoke(null);
-        } catch (Exception e) {
-            return Dns.SYSTEM;
-        }
-    }
-
     public static void stringNoRedirect(String url, Map<String, String> header, Map<String, List<String>> respHeader) {
         string(noRedirect(), GET, url, null, null, header, respHeader);
     }