diff --git a/app/src/main/java/com/github/tvbox/osc/js/DrpyMethods.java b/app/src/main/java/com/github/tvbox/osc/js/DrpyMethods.java
index 8bf3eeb0..8620ea40 100644
--- a/app/src/main/java/com/github/tvbox/osc/js/DrpyMethods.java
+++ b/app/src/main/java/com/github/tvbox/osc/js/DrpyMethods.java
@@ -3,21 +3,12 @@ package com.github.tvbox.osc.js;
 import android.text.TextUtils;
 import android.util.Base64;
 import android.webkit.JavascriptInterface;
-
+import com.github.tvbox.osc.util.CharsetUtils;
 import com.github.tvbox.osc.util.Json;
 import com.github.tvbox.osc.util.OkGoHelper;
-import com.github.tvbox.osc.util.UnicodeReader;
 import com.quickjs.JSArray;
 import com.quickjs.JSObject;
-
-import org.apache.commons.io.input.ReaderInputStream;
 import org.json.JSONObject;
-import org.mozilla.universalchardet.UniversalDetector;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.InputStream;
-import java.io.Reader;
 import java.nio.charset.Charset;
 import java.util.List;
 import java.util.Map;
@@ -99,23 +90,13 @@ public class DrpyMethods {
             } else if (isBuffer == 2) {
                 result.set("content", Base64.encodeToString(response.body().bytes(), 0));
             } else {
-                byte[] bytes = response.body().bytes();
-                UniversalDetector detector = new UniversalDetector(null);
-                detector.handleData(bytes, 0, bytes.length);
-                detector.dataEnd();
-                String encoding = detector.getDetectedCharset();
-                encoding = encoding == null ? "UTF-8" : encoding;
-                String content = new String(bytes, encoding);
-                InputStream is = new ByteArrayInputStream(content.getBytes());
-                Reader reader = new UnicodeReader(is); //处理有BOM头的utf8
-                InputStream newInputStream = new ReaderInputStream(reader, Charset.defaultCharset());
-
-                ByteArrayOutputStream resultBs = new ByteArrayOutputStream();
-                byte[] buffer = new byte[1024];
-                for (int l; (l = newInputStream.read(buffer)) != -1; ) {
-                    resultBs.write(buffer, 0, l);
+                String content = response.body().string();
+                byte[] bytes = content.getBytes();
+                Charset charset = CharsetUtils.detect(bytes);
+                if (!charset.name().toLowerCase().startsWith("utf")) {
+                    content = new String(bytes, charset.name());
                 }
-                result.set("content", resultBs.toString("UTF-8"));
+                result.set("content", content);
             }
             return result;
         } catch (Exception e) {
diff --git a/app/src/main/java/com/github/tvbox/osc/ui/activity/DetailActivity.java b/app/src/main/java/com/github/tvbox/osc/ui/activity/DetailActivity.java
index 2a1fa180..36098a37 100644
--- a/app/src/main/java/com/github/tvbox/osc/ui/activity/DetailActivity.java
+++ b/app/src/main/java/com/github/tvbox/osc/ui/activity/DetailActivity.java
@@ -435,10 +435,17 @@ public class DetailActivity extends BaseActivity {
                 currentSeriesGroupView.isSelected();
             }
         });
+        mGridView.setOnFocusChangeListener((view, b) -> onGridViewFocusChange(view, b));
+
 
         setLoadSir(llLayout);
     }
 
+    private void onGridViewFocusChange(View view, boolean hasFocus) {
+        if (llPlayerFragmentContainerBlock.getVisibility() != View.VISIBLE) return;
+        llPlayerFragmentContainerBlock.setFocusable(!hasFocus);
+    }
+
     private void initCheckedSourcesForSearch() {
         mCheckSources = SearchHelper.getSourcesForSearch();
     }
diff --git a/app/src/main/java/com/github/tvbox/osc/util/CharsetUtils.java b/app/src/main/java/com/github/tvbox/osc/util/CharsetUtils.java
new file mode 100644
index 00000000..0fef0d33
--- /dev/null
+++ b/app/src/main/java/com/github/tvbox/osc/util/CharsetUtils.java
@@ -0,0 +1,57 @@
+package com.github.tvbox.osc.util;
+
+import java.nio.charset.Charset;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.mozilla.universalchardet.UniversalDetector;
+
+/**
+ * 字符集工具类，提供了检测字符集的工具方法
+ * 首先当然是使用mozilla的开源工具包universalchardet进行字符集检测，对于检测失败的，使用中文常用字进行再次检测
+ */
+public class CharsetUtils {
+
+    /**
+     * 中文常用字符集
+     */
+    public static final String[] AVAILABLE_CHINESE_CHARSET_NAMES = new String[] { "GBK", "gb2312", "GB18030", "UTF-8", "Big5" };
+
+    /**
+     * 中文常用字
+     */
+    private static final Pattern CHINESE_COMMON_CHARACTER_PATTERN = Pattern.compile("的|一|是|了|我|不|人|在|他|有|这|个|上|们|来|到|时|大|地|为|子|中|你|说|生|国|年|着|就|那|和|要");
+
+    public static Charset detect(byte[] content) {
+        String charset = universalDetect(content);
+        if (charset != null && !charset.isEmpty()) {
+            return Charset.forName(charset);
+        }
+
+        int longestMatch = 0;
+        for (String cs : AVAILABLE_CHINESE_CHARSET_NAMES) {
+            String temp = new String(content, Charset.forName(cs));
+            Matcher matcher = CHINESE_COMMON_CHARACTER_PATTERN.matcher(temp);
+
+            int count = 0;
+            while (matcher.find()) {
+                count += 1;
+            }
+            if (count > longestMatch) {
+                longestMatch = count;
+                charset = cs;
+            }
+        }
+        return charset == null ? Charset.forName("GB18030") : Charset.forName(charset);
+    }
+
+    /**
+     * 使用mozilla的开源工具包universalchardet进行字符集检测，不一定能完全检测中文字符集
+     */
+    public static String universalDetect(byte[] content) {
+        UniversalDetector detector = new UniversalDetector(null);
+        detector.handleData(content, 0, content.length);
+        detector.dataEnd();
+        return detector.getDetectedCharset();
+    }
+}
\ No newline at end of file