diff --git a/app/src/main/java/com/github/catvod/spider/Feiyang.java b/app/src/main/java/com/github/catvod/spider/Feiyang.java
index d5d8fde..4159f8b 100644
--- a/app/src/main/java/com/github/catvod/spider/Feiyang.java
+++ b/app/src/main/java/com/github/catvod/spider/Feiyang.java
@@ -4,12 +4,15 @@ import android.content.Context;
 import android.os.SystemClock;
 
 import com.github.catvod.crawler.Spider;
-import com.github.catvod.crawler.SpiderDebug;
 import com.github.catvod.net.OkHttp;
 import com.github.catvod.utils.Path;
 import com.github.catvod.utils.Shell;
+import com.github.catvod.utils.Util;
 
+import java.io.BufferedInputStream;
 import java.io.File;
+import java.io.FileOutputStream;
+import java.io.InputStream;
 
 public class Feiyang extends Spider {
 
@@ -19,12 +22,11 @@ public class Feiyang extends Spider {
     private static final File f_shell = new File(Path.files(), SHELL);
     private static final File f_aio = new File(Path.files(), AIO);
     private static Thread thread;
-    private String extend;
 
     @Override
     public void init(Context context, String extend) throws Exception {
-        this.extend = extend;
         createShell();
+        checkExtend(extend);
         findAIO(Path.tv().listFiles());
         findAIO(Path.download().listFiles());
     }
@@ -33,7 +35,7 @@ public class Feiyang extends Spider {
     public String liveContent(String url) {
         int retry = 0;
         while ((OkHttp.string(URL)).isEmpty() && retry++ < 10) SystemClock.sleep(250);
-        return OkHttp.string(!url.isEmpty() ? url : extend.startsWith("http") ? extend : URL + extend);
+        return OkHttp.string(url.startsWith("http") ? url : URL + url);
     }
 
     private void createShell() {
@@ -45,16 +47,42 @@ public class Feiyang extends Spider {
         Path.write(f_shell, script);
     }
 
+    private void checkExtend(String extend) {
+        if (!extend.contains(";md5;")) return;
+        String[] texts = extend.split(";md5;");
+        String url = texts[0].trim();
+        String md5 = texts[1].trim();
+        if (md5.startsWith("http")) md5 = OkHttp.string(md5);
+        if (Util.MD5(f_aio).equals(md5)) return;
+        try {
+            download(f_aio, OkHttp.newCall(url).body().byteStream());
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    private void download(File file, InputStream is) throws Exception {
+        FileOutputStream os = new FileOutputStream(file);
+        try (BufferedInputStream input = new BufferedInputStream(is)) {
+            byte[] buffer = new byte[4096];
+            int readBytes;
+            while ((readBytes = input.read(buffer)) != -1) {
+                os.write(buffer, 0, readBytes);
+            }
+        }
+    }
+
     private void findAIO(File[] files) {
         if (files == null || thread != null) return;
         for (File f : files) {
             if (f.getName().equals("allinone") || f.getName().startsWith("allinone-linux")) {
-                Path.copy(f, f_aio);
-                SpiderDebug.log("start run " + f.getName());
-                thread = new Thread(() -> Shell.exec("nohup " + f_shell.getAbsolutePath() + " &"));
-                thread.start();
+                Path.move(f, f_aio);
             }
         }
+        if (f_aio.exists()) {
+            thread = new Thread(() -> Shell.exec("nohup " + f_shell.getAbsolutePath() + " &"));
+            thread.start();
+        }
     }
 
     @Override
diff --git a/app/src/main/java/com/github/catvod/utils/Path.java b/app/src/main/java/com/github/catvod/utils/Path.java
index 0ce3a15..0bdd93d 100644
--- a/app/src/main/java/com/github/catvod/utils/Path.java
+++ b/app/src/main/java/com/github/catvod/utils/Path.java
@@ -2,6 +2,7 @@ package com.github.catvod.utils;
 
 import android.os.Environment;
 
+import com.github.catvod.crawler.SpiderDebug;
 import com.github.catvod.spider.Init;
 
 import java.io.File;
@@ -104,6 +105,17 @@ public class Path {
         }
     }
 
+    public static void move(File in, File out) {
+        copy(in, out);
+        clear(in);
+    }
+
+    public static void clear(File dir) {
+        if (dir == null) return;
+        if (dir.isDirectory()) for (File file : list(dir)) clear(file);
+        if (dir.delete()) SpiderDebug.log("Deleted:" + dir.getAbsolutePath());
+    }
+
     public static List<File> list(File dir) {
         File[] files = dir.listFiles();
         return files == null ? Collections.emptyList() : Arrays.asList(files);
diff --git a/app/src/main/java/com/github/catvod/utils/Util.java b/app/src/main/java/com/github/catvod/utils/Util.java
index 7ef0282..8a510da 100644
--- a/app/src/main/java/com/github/catvod/utils/Util.java
+++ b/app/src/main/java/com/github/catvod/utils/Util.java
@@ -13,6 +13,8 @@ import android.webkit.WebViewClient;
 
 import com.github.catvod.spider.Init;
 
+import java.io.File;
+import java.io.FileInputStream;
 import java.math.BigInteger;
 import java.security.MessageDigest;
 import java.util.Arrays;
@@ -123,6 +125,22 @@ public class Util {
         return "";
     }
 
+    public static String MD5(File file) {
+        try {
+            MessageDigest digest = MessageDigest.getInstance("MD5");
+            FileInputStream fis = new FileInputStream(file);
+            byte[] bytes = new byte[4096];
+            int count;
+            while ((count = fis.read(bytes)) != -1) digest.update(bytes, 0, count);
+            fis.close();
+            StringBuilder sb = new StringBuilder();
+            for (byte b : digest.digest()) sb.append(Integer.toString((b & 0xff) + 0x100, 16).substring(1));
+            return sb.toString();
+        } catch (Exception e) {
+            return "";
+        }
+    }
+
     public static String MD5(String src) {
         return MD5(src, "UTF-8");
     }
diff --git a/jar/custom_spider.jar b/jar/custom_spider.jar
index 824159d..a7f7c44 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 a73df24..c138bfe 100644
--- a/jar/custom_spider.jar.md5
+++ b/jar/custom_spider.jar.md5
@@ -1 +1 @@
-5eca10ef7ce239ec9dfe462c87d57519
+48afd0a8c3440520fde301c63d4ca964