diff --git a/app/build.gradle b/app/build.gradle
index 5d59f9c8..7bb70a8e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -56,7 +56,6 @@ android {
 }
 
 dependencies {
-    implementation 'com.googlecode.juniversalchardet:juniversalchardet:1.0.3'
     implementation 'com.github.thegrizzlylabs:sardine-android:0.9'
      implementation 'wang.harlon.quickjs:wrapper-android:2.0.0'
     implementation 'com.squareup.okhttp3:okhttp:3.12.13'
diff --git a/app/src/main/java/com/github/catvod/api/AliYun.java b/app/src/main/java/com/github/catvod/api/AliYun.java
index b66c0de2..5dcff262 100644
--- a/app/src/main/java/com/github/catvod/api/AliYun.java
+++ b/app/src/main/java/com/github/catvod/api/AliYun.java
@@ -545,11 +545,10 @@ public class AliYun {
         String fileId = params.get("fileId");
         String shareId = params.get("shareId");
         Response res = OkHttp.newCall(getDownloadUrl(shareId, fileId), getHeaderAuth());
-        byte[] body = Util.toUtf8(res.body().bytes());
         Object[] result = new Object[3];
         result[0] = 200;
         result[1] = "application/octet-stream";
-        result[2] = new ByteArrayInputStream(body);
+        result[2] = new ByteArrayInputStream(res.body().bytes());
         return result;
     }
 
diff --git a/app/src/main/java/com/github/catvod/spider/AList.java b/app/src/main/java/com/github/catvod/spider/AList.java
index 5363f8d5..413f1987 100644
--- a/app/src/main/java/com/github/catvod/spider/AList.java
+++ b/app/src/main/java/com/github/catvod/spider/AList.java
@@ -22,7 +22,6 @@ import org.jsoup.Jsoup;
 import org.jsoup.nodes.Document;
 import org.jsoup.nodes.Element;
 
-import java.io.ByteArrayInputStream;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -37,8 +36,6 @@ import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
 
-import okhttp3.Response;
-
 public class AList extends Spider {
 
     private List<Drive> drives;
@@ -254,24 +251,12 @@ public class AList extends Spider {
             String[] split = text.split("@@@");
             String name = split[0];
             String ext = split[1];
-            String url = Proxy.getUrl() + "?do=alist&type=sub&url=" + getDetail(split[2]).getUrl();
+            String url = getDetail(split[2]).getUrl();
             sub.add(Sub.create().name(name).ext(ext).url(url));
         }
         return sub;
     }
 
-    public static Object[] proxy(Map<String, String> params) throws Exception {
-        if (!"sub".equals(params.get("type"))) return null;
-        String url = params.get("url");
-        Response res = OkHttp.newCall(url, getPlayHeader(url));
-        byte[] body = Util.toUtf8(res.body().bytes());
-        Object[] result = new Object[3];
-        result[0] = 200;
-        result[1] = "application/octet-stream";
-        result[2] = new ByteArrayInputStream(body);
-        return result;
-    }
-
     class Job implements Callable<List<Vod>> {
 
         private final Drive drive;
diff --git a/app/src/main/java/com/github/catvod/spider/Proxy.java b/app/src/main/java/com/github/catvod/spider/Proxy.java
index 40e9ffb1..c3fa001c 100644
--- a/app/src/main/java/com/github/catvod/spider/Proxy.java
+++ b/app/src/main/java/com/github/catvod/spider/Proxy.java
@@ -25,8 +25,6 @@ public class Proxy extends Spider {
                 return new Object[]{200, "text/plain; charset=utf-8", new ByteArrayInputStream("ok".getBytes("UTF-8"))};
             case "ali":
                 return Ali.proxy(params);
-            case "alist":
-                return AList.proxy(params);
             case "bili":
                 return Bili.proxy(params);
             case "webdav":
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 8dea717d..e3b5eb57 100644
--- a/app/src/main/java/com/github/catvod/utils/Util.java
+++ b/app/src/main/java/com/github/catvod/utils/Util.java
@@ -14,11 +14,6 @@ import android.webkit.WebViewClient;
 
 import com.github.catvod.spider.Init;
 
-import kotlin.io.encoding.Base64Kt;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.mozilla.universalchardet.UniversalDetector;
-
 import java.math.BigInteger;
 import java.net.URI;
 import java.nio.charset.Charset;
@@ -68,25 +63,6 @@ public class Util {
         return RULE.matcher(url).find();
     }
 
-    public static byte[] toUtf8(byte[] bytes) {
-        try {
-            UniversalDetector detector = new UniversalDetector(null);
-            detector.handleData(bytes, 0, bytes.length);
-            detector.dataEnd();
-            return removeBOM(new String(bytes, detector.getDetectedCharset()).getBytes("UTF-8"));
-        } catch (Exception e) {
-            return bytes;
-        }
-    }
-
-    public static byte[] removeBOM(byte[] bytes) {
-        byte[] bom = {(byte) 0xEF, (byte) 0xBB, (byte) 0xBF};
-        if (bytes.length < 3 || !Arrays.equals(Arrays.copyOf(bytes, 3), bom)) return bytes;
-        byte[] newBytes = new byte[bytes.length - 3];
-        System.arraycopy(bytes, 3, newBytes, 0, newBytes.length);
-        return newBytes;
-    }
-
     public static boolean isSub(String ext) {
         return SUB.contains(ext);
     }