diff --git a/Android/Demo1/Logcat.java b/Android/Demo1/Logcat.java
new file mode 100644
index 0000000..0be29f9
--- /dev/null
+++ b/Android/Demo1/Logcat.java
@@ -0,0 +1,148 @@
+import static java.text.DateFormat.DEFAULT;
+
+import android.content.Context;
+
+import com.yunbao.common.CommonAppConfig;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.InputStreamReader;
+import java.io.PrintWriter;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.Locale;
+import java.util.Objects;
+
+public class Logcat {
+     /**
+     * 采集所有日志
+     */
+    public static void start(Context context) {
+        new Thread(new Runnable() {
+            @Override
+            public void run() {
+                try {
+
+                    String[] exec = new String[]{"logcat", "-c"};
+                    Runtime.getRuntime().exec(exec).waitFor();
+
+                    exec = new String[]{"logcat", "-v", "color", "-D"};
+
+                    Process process = Runtime.getRuntime().exec(exec);
+                    BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));
+                    String line;
+                    PrintWriter writer = null;
+                    String title = "[PDLIVE]" + CommonAppConfig.getInstance().getUid() + "_";
+                    String today = title + SimpleDateFormat.getDateInstance(DEFAULT, Locale.CHINA).format(new Date());
+                    File dir = new File(context.getDir("files", Context.MODE_PRIVATE).getAbsolutePath() + File.separator);
+                    if (dir.listFiles() != null) {
+                        for (File file : dir.listFiles()) {
+                            if (!file.getName().endsWith(today + ".log") && !"error.log".equals(file.getName())) {
+                                String fileName = file.getName().replace(title, "");
+                                if (isDelLog(fileName)) {
+                                    file.delete();
+                                }
+                            }
+                        }
+                    }
+                    File saveFile = new File(context.getDir("files", Context.MODE_PRIVATE).getAbsolutePath() + File.separator + today + ".log");
+                    FileOutputStream os = new FileOutputStream(saveFile);
+                    writer = new PrintWriter(os);
+                    while ((line = bufferedReader.readLine()) != null) {
+                        writer.append(line).write("\n");
+                    }
+                    writer.flush();
+                    writer.close();
+                    exec = new String[]{"logcat", "-c"};
+                    Runtime.getRuntime().exec(exec).waitFor();
+                    bufferedReader.close();
+                    start(context);
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+        }).start();
+
+    }
+
+    /**
+     * 判断是否是要删除的日志
+     **/
+    private static boolean isDelLog(String time) {
+        try {
+            Calendar timeCal = Calendar.getInstance(Locale.CHINA);
+            timeCal.setTime(Objects.requireNonNull(SimpleDateFormat.getDateInstance(DEFAULT, Locale.CHINA).parse(time)));
+            Calendar calendar = Calendar.getInstance(Locale.CHINA);
+            calendar.setTime(new Date());
+            calendar.add(Calendar.DATE, -3);
+            return calendar.after(timeCal);
+        } catch (ParseException e) {
+            e.printStackTrace();
+        }
+        return false;
+    }
+
+      public static void shareFile(Context context) {
+        if (PermissionChecker.checkCallingOrSelfPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PERMISSION_GRANTED) {
+            ActivityCompat.requestPermissions((Activity) context, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, 100);
+            return;
+        }
+        String title = "[PDLIVE]" + CommonAppConfig.getInstance().getUid() + "_";
+        String today = title + SimpleDateFormat.getDateInstance(DEFAULT, Locale.CHINA).format(new Date());
+        File dir = new File(context.getDir("files", Context.MODE_PRIVATE).getAbsolutePath() + File.separator);
+        File zip = new File(context.getDir("files", Context.MODE_PRIVATE).getAbsolutePath() + File.separator + today + ".zip");
+
+        try {
+            ZipOutputStream zos = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(zip)));
+            FileInputStream fis = null;
+            WritableByteChannel writableByteChannel = Channels.newChannel(zos);
+            if (dir.listFiles() != null) {
+                for (File file : dir.listFiles()) {
+                    if (file.getName().endsWith(".log") && !"error.log".equals(file.getName())) {
+                        ZipEntry entry = new ZipEntry(file.getName());
+                        zos.putNextEntry(entry);
+                        fis = new FileInputStream(file);
+                        FileChannel channel = fis.getChannel();
+                        channel.transferTo(0, file.length() - 1, writableByteChannel);
+                        fis.close();
+                    }
+                }
+            }
+            zos.close();
+            writableByteChannel.close();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        if (zip.exists()) {
+            Intent share = new Intent(Intent.ACTION_SEND);
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+                Uri contentUri = FileProvider.getUriForFile(context, context.getPackageName() + ".fileprovider", zip);
+                share.putExtra(Intent.EXTRA_STREAM, contentUri);
+                share.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+            } else {
+                share.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(zip));
+            }
+            share.setType("application/vnd.ms-excel");
+            share.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+            share.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+            context.startActivity(Intent.createChooser(share, "分享文件"));
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+                if (!Environment.isExternalStorageManager()) {
+                    Intent intent = new Intent(ACTION_MANAGE_ALL_FILES_ACCESS_PERMISSION);
+                    context.startActivity(intent);
+                }
+            }
+            File out = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator + zip.getName());
+            try {
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                    Files.copy(zip.toPath(), out.toPath());
+                }
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+    }
+}