diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 9fd8c96..a62fed5 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -15,6 +15,8 @@
         android:maxSdkVersion="28" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" 
         android:maxSdkVersion="32" />
+    <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" 
+        tools:ignore="ScopedStorage" />
 
     <application
         android:name=".OxFaceApplication"
diff --git a/app/src/main/java/com/ouxuan/oxface/LogTestActivity.java b/app/src/main/java/com/ouxuan/oxface/LogTestActivity.java
new file mode 100644
index 0000000..8cfa923
--- /dev/null
+++ b/app/src/main/java/com/ouxuan/oxface/LogTestActivity.java
@@ -0,0 +1,78 @@
+package com.ouxuan.oxface;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+import android.widget.Button;
+import android.widget.ScrollView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.ouxuan.oxface.utils.LogManager;
+
+/**
+ * 日志测试活动
+ * 用于测试日志功能并显示日志路径信息
+ */
+public class LogTestActivity extends Activity {
+    
+    private static final String TAG = "LogTestActivity";
+    private TextView pathInfoText;
+    private Button writeLogButton;
+    private Button refreshInfoButton;
+    
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        
+        // 创建简单的布局
+        ScrollView scrollView = new ScrollView(this);
+        android.widget.LinearLayout layout = new android.widget.LinearLayout(this);
+        layout.setOrientation(android.widget.LinearLayout.VERTICAL);
+        layout.setPadding(20, 20, 20, 20);
+        
+        // 路径信息显示
+        pathInfoText = new TextView(this);
+        pathInfoText.setTextSize(12);
+        pathInfoText.setBackgroundColor(0xFFF5F5F5);
+        pathInfoText.setPadding(10, 10, 10, 10);
+        layout.addView(pathInfoText);
+        
+        // 写入日志按钮
+        writeLogButton = new Button(this);
+        writeLogButton.setText("写入测试日志");
+        writeLogButton.setOnClickListener(v -> writeTestLogs());
+        layout.addView(writeLogButton);
+        
+        // 刷新信息按钮
+        refreshInfoButton = new Button(this);
+        refreshInfoButton.setText("刷新路径信息");
+        refreshInfoButton.setOnClickListener(v -> refreshPathInfo());
+        layout.addView(refreshInfoButton);
+        
+        scrollView.addView(layout);
+        setContentView(scrollView);
+        
+        // 显示初始路径信息
+        refreshPathInfo();
+    }
+    
+    private void writeTestLogs() {
+        LogManager.logInfo(TAG, "这是一条测试信息日志");
+        LogManager.logWarning(TAG, "这是一条测试警告日志");
+        LogManager.logError(TAG, "这是一条测试错误日志");
+        LogManager.logOperation("测试操作", "写入测试日志成功");
+        LogManager.logPerformance("测试性能", 100);
+        
+        Toast.makeText(this, "测试日志已写入", Toast.LENGTH_SHORT).show();
+        
+        // 延迟刷新路径信息
+        pathInfoText.postDelayed(this::refreshPathInfo, 1000);
+    }
+    
+    private void refreshPathInfo() {
+        String pathInfo = LogManager.getLogPathInfo(this);
+        pathInfoText.setText("日志路径信息:\n\n" + pathInfo);
+        Log.i(TAG, "日志路径信息:\n" + pathInfo);
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/ouxuan/oxface/MainActivity.java b/app/src/main/java/com/ouxuan/oxface/MainActivity.java
index ab79008..9b6269f 100644
--- a/app/src/main/java/com/ouxuan/oxface/MainActivity.java
+++ b/app/src/main/java/com/ouxuan/oxface/MainActivity.java
@@ -81,6 +81,9 @@ public class MainActivity extends AppCompatActivity {
         
         // 设置密码显示/隐藏切换
         setupPasswordToggle();
+        
+        // 设置长按登录按钮显示日志路径信息（调试功能）
+        setupLogPathDebug();
     }
     
     /**
@@ -679,4 +682,63 @@ public class MainActivity extends AppCompatActivity {
             LogManager.logOperation("MainActivity", "应用退出，停止保持活跃功能");
         }
     }
+    
+    /**
+     * 设置日志路径调试功能（长按登录按钮）
+     */
+    private void setupLogPathDebug() {
+        buttonLogin.setOnLongClickListener(new View.OnLongClickListener() {
+            @Override
+            public boolean onLongClick(View v) {
+                showLogPathInfo();
+                return true;
+            }
+        });
+    }
+    
+    /**
+     * 显示日志路径信息
+     */
+    private void showLogPathInfo() {
+        String pathInfo = LogManager.getLogPathInfo(this);
+        
+        // 在日志中记录
+        android.util.Log.i("MainActivity", "日志路径信息:\n" + pathInfo);
+        
+        // 写入一条测试日志
+        LogManager.logOperation("调试", "用户查看日志路径信息");
+        
+        // 创建对话框显示路径信息
+        android.app.AlertDialog.Builder builder = new android.app.AlertDialog.Builder(this);
+        builder.setTitle("日志路径信息（调试）");
+        builder.setMessage(pathInfo);
+        builder.setPositiveButton("复制路径", new android.content.DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(android.content.DialogInterface dialog, int which) {
+                // 复制日志目录路径到剪贴板
+                android.content.ClipboardManager clipboard = (android.content.ClipboardManager) getSystemService(android.content.Context.CLIPBOARD_SERVICE);
+                if (clipboard != null) {
+                    LogManager logManager = LogManager.getInstance(MainActivity.this);
+                    String logDirPath = logManager.getLogDirectory().getAbsolutePath();
+                    android.content.ClipData clip = android.content.ClipData.newPlainText("日志目录路径", logDirPath);
+                    clipboard.setPrimaryClip(clip);
+                    showToast("日志目录路径已复制: " + logDirPath);
+                }
+            }
+        });
+        builder.setNegativeButton("关闭", null);
+        builder.setNeutralButton("写入测试日志", new android.content.DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(android.content.DialogInterface dialog, int which) {
+                // 写入一些测试日志
+                LogManager.logInfo("DEBUG", "这是一条测试信息日志 - " + new java.util.Date());
+                LogManager.logWarning("DEBUG", "这是一条测试警告日志 - " + new java.util.Date());
+                LogManager.logError("DEBUG", "这是一条测试错误日志 - " + new java.util.Date());
+                LogManager.logOperation("测试操作", "用户触发测试日志写入");
+                LogManager.logPerformance("测试性能", 88);
+                showToast("测试日志已写入，请稍后再查看路径信息");
+            }
+        });
+        builder.show();
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/ouxuan/oxface/utils/LogManager.java b/app/src/main/java/com/ouxuan/oxface/utils/LogManager.java
index 486270b..85ed0f9 100644
--- a/app/src/main/java/com/ouxuan/oxface/utils/LogManager.java
+++ b/app/src/main/java/com/ouxuan/oxface/utils/LogManager.java
@@ -1,6 +1,8 @@
 package com.ouxuan.oxface.utils;
 
 import android.content.Context;
+import android.os.Build;
+import android.os.Environment;
 import android.util.Log;
 
 import java.io.BufferedWriter;
@@ -56,14 +58,18 @@ public class LogManager {
         this.dateFormat = new SimpleDateFormat(DATE_FORMAT, Locale.getDefault());
         this.logQueue = new LinkedBlockingQueue<>();
         
-        // 创建日志目录
-        this.logDir = new File(context.getFilesDir(), LOG_DIR);
+        // 优先使用外部存储目录，便于用户访问日志
+        this.logDir = getLogStorageDirectory(context);
         if (!logDir.exists()) {
-            logDir.mkdirs();
+            boolean created = logDir.mkdirs();
+            Log.i(TAG, "创建日志目录: " + logDir.getAbsolutePath() + ", 结果: " + created);
         }
         
         // 设置当前日志文件
         this.currentLogFile = new File(logDir, LOG_FILE_NAME);
+        
+        // 输出日志路径信息
+        Log.i(TAG, "日志保存路径: " + logDir.getAbsolutePath());
     }
     
     public static synchronized LogManager getInstance(Context context) {
@@ -372,4 +378,68 @@ public class LogManager {
     public long getLogFileSize() {
         return currentLogFile.exists() ? currentLogFile.length() : 0;
     }
+    
+    /**
+     * 获取日志存储目录
+     * 优先使用外部存储，如果不可用则使用内部存储
+     */
+    private File getLogStorageDirectory(Context context) {
+        File logDir = null;
+        
+        // Android 10(API 29)+优先使用应用专用外部目录
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            File externalFilesDir = context.getExternalFilesDir(null);
+            if (externalFilesDir != null) {
+                logDir = new File(externalFilesDir, LOG_DIR);
+                Log.i(TAG, "使用应用专用外部目录: " + logDir.getAbsolutePath());
+            }
+        }
+        
+        // 如果外部存储不可用，使用外部存储根目录（需要权限）
+        if (logDir == null && Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
+            File externalDir = new File(Environment.getExternalStorageDirectory(), 
+                "Android/data/" + context.getPackageName() + "/files/" + LOG_DIR);
+            if (externalDir.getParentFile() != null) {
+                logDir = externalDir;
+                Log.i(TAG, "使用外部存储根目录: " + logDir.getAbsolutePath());
+            }
+        }
+        
+        // 如果都不可用，回退到内部存储
+        if (logDir == null) {
+            logDir = new File(context.getFilesDir(), LOG_DIR);
+            Log.w(TAG, "回退到内部存储目录: " + logDir.getAbsolutePath());
+        }
+        
+        return logDir;
+    }
+    
+    /**
+     * 获取日志路径信息，用于调试和用户查找日志
+     */
+    public static String getLogPathInfo(Context context) {
+        if (instance == null) {
+            return "日志管理器未初始化";
+        }
+        
+        StringBuilder info = new StringBuilder();
+        info.append("日志目录: ").append(instance.logDir.getAbsolutePath()).append("\n");
+        info.append("当前日志文件: ").append(instance.currentLogFile.getAbsolutePath()).append("\n");
+        info.append("目录是否存在: ").append(instance.logDir.exists()).append("\n");
+        info.append("日志文件大小: ").append(instance.getLogFileSize()).append(" bytes\n");
+        
+        // 列出目录中的所有日志文件
+        File[] logFiles = instance.logDir.listFiles();
+        if (logFiles != null && logFiles.length > 0) {
+            info.append("日志文件列表:\n");
+            for (File file : logFiles) {
+                info.append("  - ").append(file.getName())
+                    .append(" (").append(file.length()).append(" bytes)\n");
+            }
+        } else {
+            info.append("目录中暂无日志文件\n");
+        }
+        
+        return info.toString();
+    }
 }
\ No newline at end of file