diff --git a/catvod/src/main/java/com/github/catvod/bean/Proxy.java b/catvod/src/main/java/com/github/catvod/bean/Proxy.java
index 363aff310..d3d8a13fa 100644
--- a/catvod/src/main/java/com/github/catvod/bean/Proxy.java
+++ b/catvod/src/main/java/com/github/catvod/bean/Proxy.java
@@ -10,12 +10,9 @@ import com.google.gson.reflect.TypeToken;
 
 import java.lang.reflect.Type;
 import java.net.InetSocketAddress;
-import java.util.ArrayList;
 import java.util.Collections;
-import java.util.Comparator;
 import java.util.List;
 import java.util.Objects;
-import java.util.stream.Collectors;
 
 public class Proxy implements Comparable<Proxy> {
 
diff --git a/catvod/src/main/java/com/github/catvod/net/OkAuthenticator.java b/catvod/src/main/java/com/github/catvod/net/OkAuthenticator.java
index ffaae20f2..feef4854f 100644
--- a/catvod/src/main/java/com/github/catvod/net/OkAuthenticator.java
+++ b/catvod/src/main/java/com/github/catvod/net/OkAuthenticator.java
@@ -7,10 +7,10 @@ import androidx.annotation.Nullable;
 
 import com.github.catvod.bean.Proxy;
 import com.github.catvod.utils.Auth;
+import com.github.catvod.utils.Util;
 import com.google.common.net.HttpHeaders;
 
 import java.net.InetSocketAddress;
-import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.CopyOnWriteArrayList;
 
diff --git a/catvod/src/main/java/com/github/catvod/net/OkProxySelector.java b/catvod/src/main/java/com/github/catvod/net/OkProxySelector.java
index 33e2b4ded..87d80ccba 100644
--- a/catvod/src/main/java/com/github/catvod/net/OkProxySelector.java
+++ b/catvod/src/main/java/com/github/catvod/net/OkProxySelector.java
@@ -7,12 +7,8 @@ import java.io.IOException;
 import java.net.ProxySelector;
 import java.net.SocketAddress;
 import java.net.URI;
-import java.util.ArrayList;
-import java.util.Comparator;
 import java.util.List;
 import java.util.concurrent.CopyOnWriteArrayList;
-import java.util.function.Consumer;
-import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 public class OkProxySelector extends ProxySelector {
diff --git a/catvod/src/main/java/com/github/catvod/net/interceptor/ResponseInterceptor.java b/catvod/src/main/java/com/github/catvod/net/interceptor/ResponseInterceptor.java
index 04c07eeb6..5a0efa3f6 100644
--- a/catvod/src/main/java/com/github/catvod/net/interceptor/ResponseInterceptor.java
+++ b/catvod/src/main/java/com/github/catvod/net/interceptor/ResponseInterceptor.java
@@ -9,7 +9,6 @@ import com.github.catvod.utils.Util;
 import com.google.common.net.HttpHeaders;
 
 import java.io.IOException;
-import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.CopyOnWriteArrayList;
diff --git a/catvod/src/main/java/com/github/catvod/utils/Auth.java b/catvod/src/main/java/com/github/catvod/utils/Auth.java
index 969ecc815..382305a1a 100644
--- a/catvod/src/main/java/com/github/catvod/utils/Auth.java
+++ b/catvod/src/main/java/com/github/catvod/utils/Auth.java
@@ -2,6 +2,7 @@ package com.github.catvod.utils;
 
 import android.util.Base64;
 
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -14,11 +15,11 @@ import okhttp3.Request;
 
 public class Auth {
 
-    private static final Pattern DIGEST = Pattern.compile("(\\w+)=\\s*([^,]+)\\s*");
+    private static final Pattern DIGEST = Pattern.compile("(\\w+)=(?:\"([^\"]*)\"|([^,\\s\"]+))");
 
     public static String basic(String userInfo) {
         if (!userInfo.contains(":")) userInfo += ":";
-        return "Basic " + Base64.encodeToString(userInfo.getBytes(), Base64.NO_WRAP);
+        return "Basic " + Base64.encodeToString(userInfo.getBytes(StandardCharsets.UTF_8), Base64.NO_WRAP);
     }
 
     public static String digest(String userInfo, String header, Request request) {
@@ -77,7 +78,11 @@ public class Auth {
     private static Map<String, String> parseDigest(String header) {
         Map<String, String> params = new HashMap<>();
         Matcher matcher = DIGEST.matcher(header.trim());
-        while (matcher.find()) params.put(matcher.group(1), matcher.group(2).replaceAll("\"", "").trim());
+        while (matcher.find()) {
+            String key = matcher.group(1);
+            String value = matcher.group(2) != null ? matcher.group(2) : matcher.group(3);
+            if (value != null) params.put(key, value.trim());
+        }
         return params;
     }
 }
diff --git a/catvod/src/main/java/com/github/catvod/utils/Util.java b/catvod/src/main/java/com/github/catvod/utils/Util.java
index aec1b68ec..b54e722b3 100644
--- a/catvod/src/main/java/com/github/catvod/utils/Util.java
+++ b/catvod/src/main/java/com/github/catvod/utils/Util.java
@@ -14,6 +14,7 @@ import java.net.Inet4Address;
 import java.net.InetAddress;
 import java.net.NetworkInterface;
 import java.net.SocketException;
+import java.nio.charset.StandardCharsets;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.util.Enumeration;
@@ -65,7 +66,7 @@ public class Util {
         try {
             if (TextUtils.isEmpty(src)) return "";
             MessageDigest digest = MessageDigest.getInstance("MD5");
-            byte[] bytes = digest.digest(src.getBytes());
+            byte[] bytes = digest.digest(src.getBytes(StandardCharsets.UTF_8));
             BigInteger no = new BigInteger(1, bytes);
             StringBuilder sb = new StringBuilder(no.toString(16));
             while (sb.length() < 32) sb.insert(0, "0");