diff --git a/app/src/main/java/com/github/catvod/ali/API.java b/app/src/main/java/com/github/catvod/ali/API.java
index b92cad71..a73ba2f0 100644
--- a/app/src/main/java/com/github/catvod/ali/API.java
+++ b/app/src/main/java/com/github/catvod/ali/API.java
@@ -47,6 +47,8 @@ import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
 
+import okhttp3.Response;
+
 public class API {
 
     private final Map<String, String> quality;
@@ -457,13 +459,14 @@ public class API {
         }
     }
 
-    public Object[] proxySub(Map<String, String> params) {
+    public Object[] proxySub(Map<String, String> params) throws Exception {
         String fileId = params.get("file_id");
-        String text = OkHttp.string(getDownloadUrl(fileId), getHeaderAuth());
+        Response res = OkHttp.newCall(getDownloadUrl(fileId), getHeaderAuth());
+        byte[] body = Utils.getUTF8(res.body().bytes());
         Object[] result = new Object[3];
         result[0] = 200;
         result[1] = "application/octet-stream";
-        result[2] = new ByteArrayInputStream(text.getBytes());
+        result[2] = new ByteArrayInputStream(body);
         return result;
     }
 
diff --git a/app/src/main/java/com/github/catvod/spider/Ali.java b/app/src/main/java/com/github/catvod/spider/Ali.java
index 72e9f556..ff3ee578 100644
--- a/app/src/main/java/com/github/catvod/spider/Ali.java
+++ b/app/src/main/java/com/github/catvod/spider/Ali.java
@@ -40,7 +40,7 @@ public class Ali extends Spider {
         return flag.equals("原畫") ? API.get().playerContent(ids) : API.get().playerContent(ids, flag);
     }
 
-    public static Object[] proxy(Map<String, String> params) {
+    public static Object[] proxy(Map<String, String> params) throws Exception {
         String type = params.get("type");
         if (type.equals("sub")) return API.get().proxySub(params);
         if (type.equals("token")) return API.get().getToken();
diff --git a/app/src/main/java/com/github/catvod/utils/Utils.java b/app/src/main/java/com/github/catvod/utils/Utils.java
index cddf8246..12a863b6 100644
--- a/app/src/main/java/com/github/catvod/utils/Utils.java
+++ b/app/src/main/java/com/github/catvod/utils/Utils.java
@@ -14,6 +14,7 @@ import android.webkit.WebViewClient;
 import com.github.catvod.spider.Init;
 
 import java.math.BigInteger;
+import java.nio.charset.Charset;
 import java.security.MessageDigest;
 import java.util.Arrays;
 import java.util.List;
@@ -48,6 +49,21 @@ public class Utils {
         return hasCamera && hasPhone && hasBT;
     }
 
+    public static boolean isGBK(byte[] bytes) {
+        Charset charset = Charset.forName("GBK");
+        String str = new String(bytes, charset);
+        byte[] newBytes = str.getBytes(charset);
+        return Arrays.equals(bytes, newBytes);
+    }
+
+    public static byte[] getUTF8(byte[] bytes) throws Exception {
+        if (isGBK(bytes)) {
+            return new String(bytes, Charset.forName("GBK")).getBytes("UTF-8");
+        } else {
+            return bytes;
+        }
+    }
+
     public static boolean isSub(String ext) {
         return ext.equals("srt") || ext.equals("ass") || ext.equals("ssa");
     }