diff --git a/app/build.gradle b/app/build.gradle
index b4bfe16..79fcc65 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -33,6 +33,7 @@ android {
 
 dependencies {
     implementation 'com.google.net.cronet:cronet-okhttp:0.1.0'
+    implementation 'androidx.annotation:annotation:1.5.0'
     implementation 'com.squareup.okhttp3:okhttp:3.12.13'
     implementation 'com.google.code.gson:gson:2.8.6'
     implementation 'cn.wanghaomiao:JsoupXpath:2.5.1'
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 5e0d2f1..481d17d 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -1,5 +1,6 @@
 # Merge
 -flattenpackagehierarchy com.github.catvod.spider.merge
+-dontwarn org.slf4j.impl.StaticLoggerBinder
 
 # Spider
 -keep class com.github.catvod.crawler.* { *; }
diff --git a/app/src/main/java/com/github/catvod/net/Cronet.java b/app/src/main/java/com/github/catvod/net/Cronet.java
deleted file mode 100644
index 92fd7ce..0000000
--- a/app/src/main/java/com/github/catvod/net/Cronet.java
+++ /dev/null
@@ -1,112 +0,0 @@
-package com.github.catvod.net;
-
-import com.github.catvod.crawler.Spider;
-import com.github.catvod.spider.Init;
-import com.google.net.cronet.okhttptransport.CronetInterceptor;
-
-import org.chromium.net.CronetEngine;
-
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.TimeUnit;
-
-import okhttp3.Dns;
-import okhttp3.OkHttpClient;
-
-public class Cronet {
-
-    private final OkHttpClient noRedirect;
-    private final OkHttpClient client;
-
-    private static class Loader {
-        static volatile Cronet INSTANCE = new Cronet();
-    }
-
-    public static Cronet get() {
-        return Loader.INSTANCE;
-    }
-
-    public Cronet() {
-        client = getBuilder().build();
-        noRedirect = client.newBuilder().followRedirects(false).followSslRedirects(false).build();
-    }
-
-    private OkHttpClient.Builder getBuilder() {
-        return new OkHttpClient.Builder().dns(safeDns()).addInterceptor(CronetInterceptor.newBuilder(new CronetEngine.Builder(Init.context()).build()).build()).callTimeout(30, TimeUnit.SECONDS).readTimeout(30, TimeUnit.SECONDS).writeTimeout(30, TimeUnit.SECONDS).connectTimeout(30, TimeUnit.SECONDS).retryOnConnectionFailure(true).hostnameVerifier(SSLSocketFactoryCompat.hostnameVerifier).sslSocketFactory(new SSLSocketFactoryCompat(), SSLSocketFactoryCompat.trustAllCert);
-    }
-
-    private static OkHttpClient client() {
-        return get().client;
-    }
-
-    private static OkHttpClient noRedirect() {
-        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(), OkHttp.GET, url, null, null, header, respHeader);
-    }
-
-    public static String string(OkHttpClient client, String method, String url, String tag, Map<String, String> params, Map<String, String> header, Map<String, List<String>> respHeader) {
-        return new OkRequest(method, url, params, header, respHeader).tag(tag).execute(client);
-    }
-
-    public static String string(String url) {
-        return string(url, null);
-    }
-
-    public static String string(String url, Map<String, String> header) {
-        return string(url, header, null);
-    }
-
-    public static String string(String url, Map<String, String> header, Map<String, List<String>> respHeader) {
-        return string(url, null, header, respHeader);
-    }
-
-    public static String string(String url, Map<String, String> params, Map<String, String> header, Map<String, List<String>> respHeader) {
-        return string(url, null, params, header, respHeader);
-    }
-
-    public static String string(String url, String tag, Map<String, String> header) {
-        return string(url, tag, null, header, null);
-    }
-
-    public static String string(String url, String tag, Map<String, String> params, Map<String, String> header, Map<String, List<String>> respHeader) {
-        return string(client(), OkHttp.GET, url, tag, params, header, respHeader);
-    }
-
-    public static String post(String url, Map<String, String> params) {
-        return post(url, params, null);
-    }
-
-    public static String post(String url, Map<String, String> params, Map<String, String> header) {
-        return post(url, params, header, null);
-    }
-
-    public static String post(String url, Map<String, String> params, Map<String, String> header, Map<String, List<String>> respHeader) {
-        return string(client(), OkHttp.POST, url, null, params, header, respHeader);
-    }
-
-    public static String postJson(String url, String json) {
-        return postJson(url, json, null);
-    }
-
-    public static String postJson(String url, String json, Map<String, String> header) {
-        return new OkRequest(OkHttp.POST, url, json, header).execute(client());
-    }
-
-    public static String getRedirectLocation(Map<String, List<String>> headers) {
-        if (headers == null) return null;
-        if (headers.containsKey("location")) return headers.get("location").get(0);
-        if (headers.containsKey("Location")) return headers.get("Location").get(0);
-        return null;
-    }
-}
diff --git a/app/src/main/java/com/github/catvod/net/OkHttp.java b/app/src/main/java/com/github/catvod/net/OkHttp.java
index 4eaedf6..b4b943b 100644
--- a/app/src/main/java/com/github/catvod/net/OkHttp.java
+++ b/app/src/main/java/com/github/catvod/net/OkHttp.java
@@ -1,6 +1,10 @@
 package com.github.catvod.net;
 
 import com.github.catvod.crawler.Spider;
+import com.github.catvod.spider.Init;
+import com.google.net.cronet.okhttptransport.CronetInterceptor;
+
+import org.chromium.net.CronetEngine;
 
 import java.util.List;
 import java.util.Map;
@@ -32,7 +36,7 @@ public class OkHttp {
     }
 
     private OkHttpClient.Builder getBuilder() {
-        return new OkHttpClient.Builder().dns(safeDns()).callTimeout(30, TimeUnit.SECONDS).readTimeout(30, TimeUnit.SECONDS).writeTimeout(30, TimeUnit.SECONDS).connectTimeout(30, TimeUnit.SECONDS).retryOnConnectionFailure(true).hostnameVerifier(SSLSocketFactoryCompat.hostnameVerifier).sslSocketFactory(new SSLSocketFactoryCompat(), SSLSocketFactoryCompat.trustAllCert);
+        return new OkHttpClient.Builder().dns(safeDns()).addInterceptor(CronetInterceptor.newBuilder(new CronetEngine.Builder(Init.context()).build()).build()).callTimeout(30, TimeUnit.SECONDS).readTimeout(30, TimeUnit.SECONDS).writeTimeout(30, TimeUnit.SECONDS).connectTimeout(30, TimeUnit.SECONDS).retryOnConnectionFailure(true).hostnameVerifier(SSLSocketFactoryCompat.hostnameVerifier).sslSocketFactory(new SSLSocketFactoryCompat(), SSLSocketFactoryCompat.trustAllCert);
     }
 
     private static OkHttpClient client() {
diff --git a/jar/custom_spider.jar b/jar/custom_spider.jar
index c773bf5..d25a994 100644
Binary files a/jar/custom_spider.jar and b/jar/custom_spider.jar differ
diff --git a/jar/custom_spider.jar.md5 b/jar/custom_spider.jar.md5
index 5ab7dbe..84f93a8 100644
--- a/jar/custom_spider.jar.md5
+++ b/jar/custom_spider.jar.md5
@@ -1 +1 @@
-e57bac3dfa1c49f28c44b56577e70786
+281195ff29b564bd774323e1cab13017