diff --git a/app/src/main/java/com/example/kingway/ptt/AudioRecordManager.java b/app/src/main/java/com/example/kingway/ptt/AudioRecordManager.java
index 577650a..10e3f2d 100644
--- a/app/src/main/java/com/example/kingway/ptt/AudioRecordManager.java
+++ b/app/src/main/java/com/example/kingway/ptt/AudioRecordManager.java
@@ -3,12 +3,10 @@ package com.example.kingway.ptt;
 import android.media.AudioFormat;
 import android.media.AudioRecord;
 import android.media.MediaRecorder;
-import android.util.Log;
+import timber.log.Timber;
 
 import com.stand.standapp.MyApplication;
 
-import java.util.Arrays;
-
 @SuppressWarnings("ResultOfMethodCallIgnored")
 public class AudioRecordManager {
     private final String TAG = "AudioRecordManager";
@@ -32,14 +30,17 @@ public class AudioRecordManager {
                 AudioFormat.CHANNEL_IN_MONO,
                 AudioFormat.ENCODING_PCM_16BIT,
                 bufferSize * 2);
+        Timber.tag(TAG).d("AudioRecord初始化: source=MIC, freq=%dHz, minBuf=%d", FREQUENCY, bufferSize * 2);
     }
 
     public void setRecording(){
+        Timber.tag(TAG).d("setRecording -> startRecording()");
         if (mRecorder == null) initAudio();
         if(mRecorder.getRecordingState() != 3) mRecorder.startRecording();
     }
 
     public void stopAudio(){
+        Timber.tag(TAG).d("stopAudio -> stop()");
         if (mRecorder != null){
             mRecorder.stop();
         }
@@ -51,6 +52,7 @@ public class AudioRecordManager {
     }
 
     public void destroyAudio(){
+        Timber.tag(TAG).d("destroyAudio -> 释放AudioRecord");
         if (mRecorder != null){
             mRecorder.stop();
             mRecorder.release();
@@ -82,12 +84,13 @@ public class AudioRecordManager {
                 try {
                     recordThread.interrupt();
                 } catch (Exception e) {
+                    Timber.tag(TAG).e(e, "录音线程interrupt失败");
                     recordThread = null;
                 }
             }
             recordThread = null;
         } catch (Exception e) {
-            e.printStackTrace();
+            Timber.tag(TAG).e(e, "destroyThread异常");
         } finally {
             recordThread = null;
         }
@@ -97,6 +100,7 @@ public class AudioRecordManager {
      * 启动录音线程
      */
     private void startThread() {
+        Timber.tag(TAG).d("启动录音线程");
         destroyThread();
         isStart = true;
         if (mRecorder == null) {
@@ -119,10 +123,12 @@ public class AudioRecordManager {
                 int bytesRecord;
                 byte[] tempBuffer = new byte[bufferSize];
                 if (mRecorder.getState() != AudioRecord.STATE_INITIALIZED) {
+                    Timber.tag(TAG).w("AudioRecord未初始化(state=%d)，终止录音", mRecorder.getState());
                     stopRecord();
                     return;
                 }
                 mRecorder.startRecording();
+                Timber.tag(TAG).d("录音线程: startRecording() 成功");
                 int count = 0;
                 while (isStart) {
                     if (null != mRecorder) {
@@ -132,15 +138,16 @@ public class AudioRecordManager {
                             continue;
                         }
                         if (bytesRecord != 0 && bytesRecord != -1) {
-                            Log.i(TAG, "tempBuffer->" + Arrays.toString(tempBuffer));
+                            Timber.tag(TAG).v("录音帧: %d bytes", bytesRecord);
                             MyApplication.getAppInstance().getpNative().pttNativeSendRecordCmd(tempBuffer);
                         } else {
+                            Timber.tag(TAG).w("录音循环退出: bytesRecord=%d", bytesRecord);
                             break;
                         }
                     }
                 }
             } catch (Exception e) {
-                e.printStackTrace();
+                Timber.tag(TAG).e(e, "录音线程异常");
             }
         }
 
@@ -150,12 +157,13 @@ public class AudioRecordManager {
      * 启动录音
      */
     public void startRecord() {
+        Timber.tag(TAG).d("startRecord() 被调用");
         try {
             stopRecord();
 
             startThread();
         } catch (Exception e) {
-            e.printStackTrace();
+            Timber.tag(TAG).e(e, "startRecord异常");
         }
     }
 
@@ -163,6 +171,7 @@ public class AudioRecordManager {
      * 停止录音
      */
     public void stopRecord() {
+        Timber.tag(TAG).d("stopRecord() 被调用");
         try {
             destroyThread();
             if (mRecorder != null) {
@@ -172,10 +181,10 @@ public class AudioRecordManager {
                     }
                     mRecorder.release();
                     mRecorder = null;
-                } catch (Exception e) { }
+                } catch (Exception e) { Timber.tag(TAG).e(e, "释放AudioRecord失败"); }
             }
         } catch (Exception e) {
-            e.printStackTrace();
+            Timber.tag(TAG).e(e, "stopRecord异常");
         } finally {
         }
     }
diff --git a/app/src/main/java/com/example/kingway/ptt/CallBackResolution.java b/app/src/main/java/com/example/kingway/ptt/CallBackResolution.java
index 7217f27..e6e010a 100644
--- a/app/src/main/java/com/example/kingway/ptt/CallBackResolution.java
+++ b/app/src/main/java/com/example/kingway/ptt/CallBackResolution.java
@@ -2,6 +2,8 @@ package com.example.kingway.ptt;
 
 import android.util.Log;
 
+import timber.log.Timber;
+
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.Executors;
@@ -55,22 +57,23 @@ public class CallBackResolution {
 
         String ngx = "\\u";
         try {
-            Log.i(TAG, "lisHex-->" + lisHex.toString());
+            Timber.tag(TAG).i( "lisHex-->" + lisHex.toString());
             String firstHex = lisHex.get(0);
             String errorNum = lisHex.get(1);
-            Log.d(TAG, "at_OEM_AT_cb firstHex: " + firstHex + ", errorNum: " + errorNum);
+            Timber.tag(TAG).d( "at_OEM_AT_cb firstHex: " + firstHex + ", errorNum: " + errorNum);
             switch (firstHex){
                 case "82"://登录状态通知指令
                     String loginId = lisHex.get(2) + "" + lisHex.get(3) + "" + lisHex.get(4) + "" + lisHex.get(5);
                     pttLoginStatus = errorNum;
                     pttLoginId = loginId;
-                    Log.d(TAG,"PTT login status: "+pttLoginStatus+", id: "+pttLoginId);
+                    Timber.tag(TAG).d("PTT login status: "+pttLoginStatus+", id: "+pttLoginId);
                     // 实时推送状态到前端
                     com.stand.standapp.MainActivity.executeJs("updatePttLoginStatus('" + pttLoginStatus + "','" + pttLoginId + "')");
                     CallBackUtil.callBackLoinState(errorNum, loginId);
                     loginState = isLoginConflict(errorNum);
                     CallBackUtil.callBackLoginConflict(loginState);
                     if (loginState) {
+                        Timber.tag(TAG).w("Login conflict detected, showing conflict dialog");
                         com.stand.standapp.MainActivity.showPttConflictDialog();
                     }
                     if ("02".equals(errorNum)) {
@@ -94,17 +97,17 @@ public class CallBackResolution {
                     break;
 
                 case "0b"://发起讲话返回状态
-                    Log.d(TAG, "at_OEM_AT_cb ptt speak...");
+                    Timber.tag(TAG).d( "at_OEM_AT_cb ptt speak...");
                     CallBackUtil.callBackSpeakPlaySuccess(errorNum.equals("00")? true : false);
                     break;
 
                 case "0c"://结束讲话返回状态
-                    Log.d(TAG, "at_OEM_AT_cb speak end...");
+                    Timber.tag(TAG).d( "at_OEM_AT_cb speak end...");
                     CallBackUtil.callBackSpeakReleaseSuccess(errorNum.equals("00")? true : false);
                     break;
 
                 case "80"://返回群组信息
-                    Log.d(TAG, "at_OEM_AT_cb get group info: " + lisHex);
+                    Timber.tag(TAG).d( "at_OEM_AT_cb get group info: " + lisHex);
                     StringBuilder strGroup = new StringBuilder();
                     String groupId = lisHex.get(6) + "" + lisHex.get(7) + "" + lisHex.get(8) + "" + lisHex.get(9);
                     int groupNo = Integer.valueOf((lisHex.get(4) + "" + lisHex.get(5)), 16);
@@ -123,13 +126,13 @@ public class CallBackResolution {
                             }
                         }
                     } catch (Exception e) {
-                        e.printStackTrace();
+                        Timber.tag(TAG).e(e, "Decode hex failed");
                     } finally {
                         String tempTxt = "";
                         tempTxt = unicodeToString(strGroup.toString());
-                        Log.i(TAG, "  组名称  " + tempTxt);
+                        Timber.tag(TAG).i( "  组名称  " + tempTxt);
                         CallBackUtil.callBackGroupInfo(groupId, tempTxt, groupNo, groupCount);
-                        Log.d(TAG, "at_OEM_AT_cb group info groupId: " + groupId + ", groupNo: " + groupNo+", groupCount: " +groupCount);
+                        Timber.tag(TAG).d( "at_OEM_AT_cb group info groupId: " + groupId + ", groupNo: " + groupNo+", groupCount: " +groupCount);
                         if (1 == groupNo) groupInfos.clear();
                         GroupInfoDto groupInfo = new GroupInfoDto(groupId, tempTxt, groupNo, groupCount);
                         groupInfos.add(groupInfo);
@@ -156,7 +159,7 @@ public class CallBackResolution {
                             }
                         }
                     } catch (Exception e) {
-                        e.printStackTrace();
+                        Timber.tag(TAG).e(e, "Decode hex failed");
                     } finally {
                         String tempTxt = unicodeToString(groupMemberName.toString());
                         GroupMemberInfoDto infoDto = new GroupMemberInfoDto(memberId, tempTxt, status, memberNo, haveVideo);
@@ -192,7 +195,7 @@ public class CallBackResolution {
                         }
 
                     } catch (Exception e) {
-                        e.printStackTrace();
+                        Timber.tag(TAG).e(e, "Decode hex failed");
                     } finally {
                         String tempTxt = "";
                         for (int i = 0; i < stringsSpker.size(); i++) {
@@ -232,7 +235,7 @@ public class CallBackResolution {
                         }
 
                     } catch (Exception e) {
-                        e.printStackTrace();
+                        Timber.tag(TAG).e(e, "Decode hex failed");
                     } finally {
                         String tempTxt = "";
                         for (int i = 0; i < stringsTalk.size(); i++) {
@@ -251,7 +254,7 @@ public class CallBackResolution {
                             code=-1;
                         }
 
-                        Log.i(TAG, "  临时讲话 信息通知的指令  " + tempTxt + " code=" + code);
+                        Timber.tag(TAG).i( "  临时讲话 信息通知的指令  " + tempTxt + " code=" + code);
                         CallBackUtil.callBackTempCallNotify(tempTxt);
 
                         // 处理临时呼叫页面逻辑
@@ -274,7 +277,7 @@ public class CallBackResolution {
                                 );
                                 com.stand.standapp.MyApplication.getAppInstance().startActivity(intent);
                             } catch (Exception e) {
-                                Log.e(TAG, "Failed to open TempCallActivity: " + e.getMessage());
+                                Timber.tag(TAG).e( "Failed to open TempCallActivity: " + e.getMessage());
                             }
                         } else if (code == 0) {
                             // 退出临时呼叫 → 关闭临时呼叫页面
@@ -318,13 +321,13 @@ public class CallBackResolution {
                         }
 
                     } catch (Exception e) {
-                        e.printStackTrace();
+                        Timber.tag(TAG).e(e, "Decode hex failed");
                     } finally {
                         String userGroupName = "";
                         for (int i = 0; i < stringsJumpGroup.size(); i++) {
                             userGroupName += unicode(stringsJumpGroup.get(i));
                         }
-                        Log.i(TAG,"进入群组 " + userGroupName);
+                        Timber.tag(TAG).i("进入群组 " + userGroupName);
                         indexGroupId = userGroupId;
                         indexGroupName = userGroupName;
                         CallBackUtil.callBackNotifyUpdateGroup(userGroupId, userGroupName);
@@ -351,7 +354,7 @@ public class CallBackResolution {
                             String time = strLis[2];
                             CallBackUtil.callBackNotifyLocationStatus(0, locationMemberId, latitude, longitude, time);
                         } catch (Exception e) {
-                            Log.e(TAG, "获取定位Exception-->" + e.getMessage());
+                            Timber.tag(TAG).e( "获取定位Exception-->" + e.getMessage());
                         }
                     } else {
                         CallBackUtil.callBackNotifyLocationStatus(1, "", 0.0, 0.0, "");
@@ -410,7 +413,7 @@ public class CallBackResolution {
                                 string += lisHex.get(i).toString();
                             }
                             String address = hexString2String(string);
-                            Log.i(TAG, "address-->" + address);
+                            Timber.tag(TAG).i( "address-->" + address);
 
                             String[] strLis = address.split(",");
                             latitude = Double.parseDouble(strLis[0]);
@@ -452,7 +455,7 @@ public class CallBackResolution {
                     break;
             }
         }catch (Exception e){
-            Log.e(TAG,"at_OEM_AT_cb Exception " + e.getMessage());
+            Timber.tag(TAG).e("at_OEM_AT_cb Exception " + e.getMessage());
         }
 
     }
@@ -469,26 +472,30 @@ public class CallBackResolution {
      * tip：1min内会出现40次左右0-1切换
      */
     public static boolean isLoginConflict(String state) {
-        Log.d(TAG, " isLoginConflict state: " + state + ",oldLoginSate: " + oldLoginSate + ", logNum: " + logNum);
+        Timber.tag(TAG).d( " isLoginConflict state: " + state + ",oldLoginSate: " + oldLoginSate + ", logNum: " + logNum);
         if (oldLoginSate.equals("00") && state.equals("01")) {
-            Log.d(TAG, "isLoginConflict first login...");
+            Timber.tag(TAG).d( "isLoginConflict first login...");
             logNum++;
             oldLoginSate = state;
         } else if (oldLoginSate.equals("01") && state.equals("00")) {
-            Log.d(TAG, "isLoginConflict login state changed...");
+            Timber.tag(TAG).d( "isLoginConflict login state changed...");
             logNum++;
             oldLoginSate = state;
         }
         if (1 == logNum) {
             offlineTime = System.currentTimeMillis();
         }
-        Log.d(TAG, "isLoginConflict logNum: " + logNum + ", offlineTime: " + offlineTime);
-        if (logNum > 4) {
-            Log.d(TAG, "isLoginConflict current time: " + System.currentTimeMillis() + ", diffTime: " + (System.currentTimeMillis() - offlineTime));
-            if (System.currentTimeMillis() - offlineTime >= 60 * 1000) {
-                Log.d(TAG, "isLoginConflict login state changed: " + logNum + " in 1min");
+        Timber.tag(TAG).d( "isLoginConflict logNum: " + logNum + ", offlineTime: " + offlineTime);
+        if (System.currentTimeMillis() - offlineTime <= 60 * 1000) {
+            if (logNum > 5) {
+                Timber.tag(TAG).d("isLoginConflict login state changed: " + logNum + " in 1min");
                 return true;
             }
+        } else {
+            Timber.tag(TAG).d("isLoginConflict maybe network change, reset...");
+            logNum = 0;
+            offlineTime = System.currentTimeMillis();
+            return false;
         }
         return false;
     }
@@ -497,7 +504,7 @@ public class CallBackResolution {
         try {
             String[] txt = sData.split("\"");
             String data = txt[1];
-            Log.d(TAG, "at_Play_TTS_cb sData: " + sData);
+            Timber.tag(TAG).d( "at_Play_TTS_cb sData: " + sData);
 
             String ngx = "\\u";
             List<String> strings = new ArrayList<>();
@@ -521,38 +528,37 @@ public class CallBackResolution {
                 }
 
             } catch (Exception e) {
-                e.printStackTrace();
+                Timber.tag(TAG).e(e, "Decode hex failed");
             } finally {
                 StringBuilder sb = new StringBuilder();
                 for (int k = 0; k < strings.size(); k++) {
                     sb.append(unicode(strings.get(k)));
                 }
                 String tempTxt = sb.toString();
-                Log.i(TAG,"at_Play_TTS_cb " + tempTxt);
+                Timber.tag(TAG).i("at_Play_TTS_cb " + tempTxt);
                 if (tempTxt.contains("已登录")) {
                     String showName = tempTxt.substring(3, tempTxt.length());
                     CallBackUtil.callBackLogin(true, showName);
                     ScheduledExecutorService executor = Executors.newScheduledThreadPool(1);
                     Runnable task = () -> {
-                        Log.d(TAG, "callBackLogin send tcp and udp");
+                        Timber.tag(TAG).d( "callBackLogin send tcp and udp");
                         SendAtUtil.sendUDP();
                         SendAtUtil.sendTCP();
                     };
                     executor.scheduleAtFixedRate(task, 0, 40, TimeUnit.SECONDS);
                 } else if (tempTxt.contains("账号已更新")) {
-//                    com.stand.standapp.MainActivity.showPttUpdateDialog("您的 PTT 账号信息已被更新，需要重新登录以应用更改。\n请点击确认重启应用。","账号更新");
-                    Log.d(TAG, "--------------------------1");
-                    Log.d(TAG, tempTxt);
+                    Timber.tag(TAG).w("TTS reports account updated: '%s'", tempTxt);
                 } else if (tempTxt.contains("账号或密码错误")) {
                     CallBackUtil.callBackLogin(false, "");
+                    Timber.tag(TAG).e("Account/password error, showing dialog. TTS: '%s'", tempTxt);
                     com.stand.standapp.MainActivity.showPttUpdateDialog("您的 PTT 账号信息账号或密码错误。\n请点击确认重启应用。","账号或密码错误");
                 }else if (tempTxt.contains("请配置账号")) {
-//                    com.stand.standapp.MainActivity.showPttUpdateDialog("首次登录信息更新。\n请点击确认重启应用。","登录信息更新");
+                    Timber.tag(TAG).w("TTS reports no account configured: '%s'", tempTxt);
                 }
 
             }
         } catch (Exception e) {
-            e.printStackTrace();
+            Timber.tag(TAG).e(e, "Decode hex failed");
         }
     }
 
diff --git a/app/src/main/java/com/example/kingway/ptt/CallBackUtil.java b/app/src/main/java/com/example/kingway/ptt/CallBackUtil.java
index 73433a2..e7b5a4a 100644
--- a/app/src/main/java/com/example/kingway/ptt/CallBackUtil.java
+++ b/app/src/main/java/com/example/kingway/ptt/CallBackUtil.java
@@ -1,6 +1,6 @@
 package com.example.kingway.ptt;
 
-import android.util.Log;
+import timber.log.Timber;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -18,7 +18,7 @@ public class CallBackUtil {
      * name 用户名
      */
     public static void callBackLogin(boolean loginState, String name) {
-        Log.i(TAG, "callBackLogin loginState " + loginState + " name " + name);
+        Timber.tag(TAG).d("callBackLogin loginState=%s name=%s", loginState, name);
     }
 
     /**
@@ -34,7 +34,7 @@ public class CallBackUtil {
      * loginId 用户ID，登录成功id有效
      */
     public static void callBackLoinState(String state, String loginId) {
-        Log.d(TAG, "callBackLoinState state: " + state + ", loginId: " + loginId);
+        Timber.tag(TAG).d("callBackLoinState state=%s loginId=%s", state, loginId);
     }
 
     /**
@@ -43,13 +43,14 @@ public class CallBackUtil {
      * false：登录不冲突
      * */
     public static void callBackLoginConflict(boolean loginConflict) {
-        Log.d(TAG, "callBackLoginConflict: " + loginConflict);
+        Timber.tag(TAG).d("callBackLoginConflict: %s", loginConflict);
     }
 
     /**
      * 登录账号有视频功能通知
      */
     public static boolean callBackHaveVideo() {
+        Timber.tag(TAG).d("callBackHaveVideo invoked");
         return true;
     }
 
@@ -60,7 +61,7 @@ public class CallBackUtil {
      * state true-成功， false-失败
      */
     public static void callBackOnGroupSuccess(boolean state) {
-
+        Timber.tag(TAG).d("callBackOnGroupSuccess state=%s", state);
     }
 
     /**
@@ -80,7 +81,7 @@ public class CallBackUtil {
                 }
             }
             com.stand.standapp.MainActivity.executeJs("if(window.onPttEvent){window.onPttEvent('MemberList', " + arr.toString() + ");}");
-        } catch (Exception e) {}
+        } catch (Exception e) { Timber.tag(TAG).e(e, "Failed to push PTT event to JS"); }
     }
 
     /**
@@ -88,13 +89,16 @@ public class CallBackUtil {
      * state true-成功， false-失败
      */
     public static void callBackSpeakPlaySuccess(boolean state) {
-        Log.d(TAG, "callBackSpeakPlaySuccess state: " + state);
-        if (state) AudioRecordManager.getInstance().startRecord();
+        Timber.tag(TAG).d("callBackSpeakPlaySuccess state=%s", state);
+        if (state) {
+            AudioRecordManager.getInstance().startRecord();
+            Timber.tag(TAG).d("AudioRecord started");
+        }
         try {
             org.json.JSONObject obj = new org.json.JSONObject();
             obj.put("success", state);
             com.stand.standapp.MainActivity.executeJs("if(window.onPttEvent){window.onPttEvent('SpeakResult', " + obj.toString() + ");}");
-        } catch (Exception e) {}
+        } catch (Exception e) { Timber.tag(TAG).e(e, "Failed to push PTT event to JS"); }
     }
 
     /**
@@ -106,7 +110,7 @@ public class CallBackUtil {
             org.json.JSONObject obj = new org.json.JSONObject();
             obj.put("success", state);
             com.stand.standapp.MainActivity.executeJs("if(window.onPttEvent){window.onPttEvent('SpeakEnd', " + obj.toString() + ");}");
-        } catch (Exception e) {}
+        } catch (Exception e) { Timber.tag(TAG).e(e, "Failed to push PTT event to JS"); }
     }
 
     /**
@@ -116,7 +120,9 @@ public class CallBackUtil {
      * groupNo 表示此组为第几个组
      * groupCount 表示此组用户成员数
      */
-    public static void callBackGroupInfo(String groupId, String groupName, int groupNo, int groupCount) {}
+    public static void callBackGroupInfo(String groupId, String groupName, int groupNo, int groupCount) {
+        Timber.tag(TAG).d("callBackGroupInfo groupId=%s name=%s no=%d count=%d", groupId, groupName, groupNo, groupCount);
+    }
 
     /**
      * 返回群组集合信息
@@ -133,7 +139,7 @@ public class CallBackUtil {
                 arr.put(obj);
             }
             com.stand.standapp.MainActivity.executeJs("if(window.onPttEvent){window.onPttEvent('GroupList', " + arr.toString() + ");}");
-        } catch (Exception e) {}
+        } catch (Exception e) { Timber.tag(TAG).e(e, "Failed to push PTT event to JS"); }
     }
 
     /**
@@ -143,6 +149,7 @@ public class CallBackUtil {
      * talkName 讲话用户名字
      * */
     public static void callBackNotifySpker ( int speckType, String groupId, String groupName, String talkId, String talkName){
+        Timber.tag(TAG).d("callBackNotifySpker speckType=%d groupId=%s talkId=%s talkName=%s", speckType, groupId, talkId, talkName);
         try {
             org.json.JSONObject obj = new org.json.JSONObject();
             obj.put("speckType", speckType);
@@ -151,10 +158,11 @@ public class CallBackUtil {
             obj.put("talkId", talkId);
             obj.put("talkName", talkName);
             com.stand.standapp.MainActivity.executeJs("if(window.onPttEvent){window.onPttEvent('SpeakerUpdate', " + obj.toString() + ");}");
-        } catch (Exception e) {}
+        } catch (Exception e) { Timber.tag(TAG).e(e, "Failed to push PTT event to JS"); }
     }
 
     public static void callBackNotifyPlayStatus ( int playStatus, int speckType, String groupId, String groupName, String talkId, String talkName){
+        Timber.tag(TAG).d("callBackNotifyPlayStatus playStatus=%d talkId=%s", playStatus, talkId);
         try {
             org.json.JSONObject obj = new org.json.JSONObject();
             obj.put("playStatus", playStatus);
@@ -164,24 +172,26 @@ public class CallBackUtil {
             obj.put("talkId", talkId);
             obj.put("talkName", talkName);
             com.stand.standapp.MainActivity.executeJs("if(window.onPttEvent){window.onPttEvent('PlayStatus', " + obj.toString() + ");}");
-        } catch (Exception e) {}
+        } catch (Exception e) { Timber.tag(TAG).e(e, "Failed to push PTT event to JS"); }
     }
 
     public static void callBackTempCallNotify (String tempCallNotify){
+        Timber.tag(TAG).d("callBackTempCallNotify msg=%s", tempCallNotify);
         try {
             org.json.JSONObject obj = new org.json.JSONObject();
             obj.put("msg", tempCallNotify);
             com.stand.standapp.MainActivity.executeJs("if(window.onPttEvent){window.onPttEvent('TempCall', " + obj.toString() + ");}");
-        } catch (Exception e) {}
+        } catch (Exception e) { Timber.tag(TAG).e(e, "Failed to push PTT event to JS"); }
     }
 
     public static void callBackNotifyUpdateGroup (String userGroupId, String userGroupName){
+        Timber.tag(TAG).d("callBackNotifyUpdateGroup groupId=%s groupName=%s", userGroupId, userGroupName);
         try {
             org.json.JSONObject obj = new org.json.JSONObject();
             obj.put("groupId", userGroupId);
             obj.put("groupName", userGroupName);
             com.stand.standapp.MainActivity.executeJs("if(window.onPttEvent){window.onPttEvent('UpdateGroup', " + obj.toString() + ");}");
-        } catch (Exception e) {}
+        } catch (Exception e) { Timber.tag(TAG).e(e, "Failed to push PTT event to JS"); }
     }
 
     /**
@@ -193,6 +203,7 @@ public class CallBackUtil {
      *  time 时间
      */
     public static void callBackNotifyLocationStatus ( int status, String userId,double latitude, double longitude, String time){
+        Timber.tag(TAG).d("callBackNotifyLocationStatus status=%d userId=%s lat=%f lng=%f", status, userId, latitude, longitude);
         try {
             org.json.JSONObject obj = new org.json.JSONObject();
             obj.put("status", status);
@@ -201,7 +212,7 @@ public class CallBackUtil {
             obj.put("longitude", longitude);
             obj.put("time", time);
             com.stand.standapp.MainActivity.executeJs("if(window.onPttEvent){window.onPttEvent('LocationStatus', " + obj.toString() + ");}");
-        } catch (Exception e) {}
+        } catch (Exception e) { Timber.tag(TAG).e(e, "Failed to push PTT event to JS"); }
     }
 
     /**
@@ -209,7 +220,7 @@ public class CallBackUtil {
      * status true：成功， false：失败
      * */
     public static void callBackNotifyUploadLocation ( boolean status){
-
+        Timber.tag(TAG).d("callBackNotifyUploadLocation status=%s", status);
     }
 
     /**
@@ -221,7 +232,7 @@ public class CallBackUtil {
      *          inv=1：1勾选单呼，0不勾选单呼
      * */
     public static void callBackNotifyCodeInfo (String codeInfo){
-
+        Timber.tag(TAG).d("callBackNotifyCodeInfo: %s", codeInfo);
     }
 
     /**
@@ -231,7 +242,7 @@ public class CallBackUtil {
      *          pwd=111111   账号密码：111111
      * */
     public static void callBackNotifyPwdInfo (String pwdInfo){
-
+        Timber.tag(TAG).d("callBackNotifyPwdInfo: %s", pwdInfo);
     }
 
     /**
@@ -239,7 +250,7 @@ public class CallBackUtil {
      * status true：成功，false：失败
      * */
     public static void callBackNotifyCodeOpenStatus ( boolean status){
-
+        Timber.tag(TAG).d("callBackNotifyCodeOpenStatus status=%s", status);
     }
 
     /**
@@ -247,7 +258,7 @@ public class CallBackUtil {
      * status true：成功，false：失败
      * */
     public static void callBackNotifyCodeExiteStatus ( boolean status){
-
+        Timber.tag(TAG).d("callBackNotifyCodeExiteStatus status=%s", status);
     }
 
     /**
@@ -255,7 +266,7 @@ public class CallBackUtil {
      * status true：成功，false：失败
      * */
     public static void callBackNotifyUploadAgentPwd ( boolean status){
-
+        Timber.tag(TAG).d("callBackNotifyUploadAgentPwd status=%s", status);
     }
 
     /**
@@ -263,7 +274,7 @@ public class CallBackUtil {
      * status true：成功，false：失败
      * */
     public static void callBackRequestReportAlarm ( boolean status){
-
+        Timber.tag(TAG).d("callBackRequestReportAlarm status=%s", status);
     }
 
     /**
@@ -271,7 +282,7 @@ public class CallBackUtil {
      * status true：成功，false：失败
      * */
     public static void callBackRequestStopAlarm ( boolean status){
-
+        Timber.tag(TAG).d("callBackRequestStopAlarm status=%s", status);
     }
 
     /**
@@ -281,19 +292,21 @@ public class CallBackUtil {
      * longitude 经度
      * */
     public static void callBackEnotifyAlarm (String memberName,double latitude, double longitude){
+        Timber.tag(TAG).w("callBackEnotifyAlarm memberName=%s lat=%f lng=%f", memberName, latitude, longitude);
         try {
             org.json.JSONObject obj = new org.json.JSONObject();
             obj.put("memberName", memberName);
             obj.put("latitude", latitude);
             obj.put("longitude", longitude);
             com.stand.standapp.MainActivity.executeJs("if(window.onPttEvent){window.onPttEvent('Alarm', " + obj.toString() + ");}");
-        } catch (Exception e) {}
+        } catch (Exception e) { Timber.tag(TAG).e(e, "Failed to push PTT event to JS"); }
     }
 
     /**
      * 收到群成员停止警告通知
      * */
     public static void callBackEnotifyStopAlarm () {
+        Timber.tag(TAG).d("callBackEnotifyStopAlarm invoked");
         com.stand.standapp.MainActivity.executeJs("if(window.onPttEvent){window.onPttEvent('StopAlarm', {});}");
     }
 
@@ -302,7 +315,7 @@ public class CallBackUtil {
      * status true：成功，false：失败
      * */
     public static void callBackRequestNfc ( boolean status){
-
+        Timber.tag(TAG).d("callBackRequestNfc status=%s", status);
     }
 
 }
diff --git a/app/src/main/java/com/example/kingway/ptt/SendAtUtil.java b/app/src/main/java/com/example/kingway/ptt/SendAtUtil.java
index 6b45ebd..3df81fc 100644
--- a/app/src/main/java/com/example/kingway/ptt/SendAtUtil.java
+++ b/app/src/main/java/com/example/kingway/ptt/SendAtUtil.java
@@ -48,6 +48,7 @@ public class SendAtUtil {
      * tempCall 是否开启单呼 1开启单呼，0关闭单呼
      * */
     public static void toLogin(String account, String pwd, String ip, int location, int tempCall){
+        Timber.tag("PTT").i("Login: account=%s, ip=%s, gps=%d, tempCall=%d", account, ip, location, tempCall);
         String ipHex = str2HexStr("ip=" + ip + ";");
         String accountHex = str2HexStr("id=" + account + ";");
         String pwdHex = str2HexStr("pwd=" + pwd + ";");
@@ -62,22 +63,26 @@ public class SendAtUtil {
      * 按下PTT开始呼叫
      * */
     public static void speakPlay(){
+        Timber.tag("PTT").i("PTT speak START (press)");
         send("0B0000");
     }
 
     /** 松开PTT结束呼叫*/
     public static void speakRelease(){
+        Timber.tag("PTT").i("PTT speak STOP (release)");
         AudioRecordManager.getInstance().stopRecord();
         send("0C0000");
     }
 
     /** 发送TCP包 登录成功后需要定时发送TCP包*/
     public static void sendTCP(){
+        Timber.tag("PTT").v("TCP keepalive sent");
         send("570000\r\n");
     }
 
     /** 发送UDP包 登录后需要定时发送UDP包*/
     public static void sendUDP(){
+        Timber.tag("PTT").v("UDP keepalive sent");
         send("580000\r\n");
     }
 
@@ -97,6 +102,7 @@ public class SendAtUtil {
      * groupId 十六进制群组Id
      * */
     public static void jumpGroup(String groupId){
+        Timber.tag("PTT").i("Jump to group: %s", groupId);
         send("090000" + groupId);
     }
 
diff --git a/app/src/main/java/com/example/kingway/ptt/pttNative.java b/app/src/main/java/com/example/kingway/ptt/pttNative.java
index 9b8428b..498ccc2 100644
--- a/app/src/main/java/com/example/kingway/ptt/pttNative.java
+++ b/app/src/main/java/com/example/kingway/ptt/pttNative.java
@@ -5,7 +5,7 @@ import android.media.AudioFormat;
 import android.media.AudioManager;
 import android.media.AudioRecord;
 import android.media.AudioTrack;
-import android.util.Log;
+import timber.log.Timber;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -15,8 +15,9 @@ public class pttNative {
     static {
         try {
             System.loadLibrary("ptt");
+            Timber.tag(TAG).d("Native library 'ptt' loaded successfully");
         } catch (Throwable e) {
-            Log.e(TAG, "Failed to load ptt library: " + e.getMessage());
+            Timber.tag(TAG).e(e, "Failed to load ptt library");
         }
     }
 
@@ -36,7 +37,7 @@ public class pttNative {
     //Callback Function for Recv the message from POC Lib
     public void OEM_AT_cb(String sData)
     {
-        Log.e(TAG,"Poc2 AT Callback: " + sData);
+        Timber.tag(TAG).d("Poc2 AT Callback: %s", sData);
         int len, i, j=0;
         char[] bytes = sData.toCharArray();
 
@@ -50,12 +51,15 @@ public class pttNative {
                     lisHex.add(temp.length() == 1 ? "0" + temp : temp);
                 }
             }
+        } else {
+            Timber.tag(TAG).w("OEM_AT_cb: unexpected format, len=%d, data=%s", bytes.length, sData);
         }
 
         CallBackResolution.at_OEM_AT_cb(lisHex);
     }
 
     public void OEM_Play_cb(byte[] bytes){
+        Timber.tag(TAG).d("OEM_Play_cb: %d bytes", bytes.length);
         if (mAudioTrack == null) {
             initAudioTrack();
         }
@@ -68,27 +72,27 @@ public class pttNative {
 
     public  void OEM_Play_Start_cb()
     {
-        Log.e("Play Start!!!!\r\n","");
+        Timber.tag(TAG).e("Play Start!!!!");
     }
 
     public void OEM_Play_Stop_cb()
     {
-        Log.e("Play Stop!!!!\r\n","");
+        Timber.tag(TAG).e("Play Stop!!!!");
     }
 
     public  void OEM_Record_Start_cb()
     {
-        Log.e("Record Start!!!!\r\n","");
+        Timber.tag(TAG).e("Record Start!!!!");
     }
 
     public void OEM_Record_Stop_cb()
     {
-        Log.e("Record Stop!!!!\r\n","");
+        Timber.tag(TAG).e("Record Stop!!!!");
     }
 
     public void  OEM_Play_TTS_cb(String sData)
     {
-        Log.e(TAG , "Play TTS " + sData);
+        Timber.tag(TAG).e("Play TTS " + sData);
         CallBackResolution.at_Play_TTS_cb(sData);
     }
 
@@ -112,16 +116,17 @@ public class pttNative {
     private native int OEM_Set_Package_Name(String name);
 
     public void pttNativeSendRecordCmd(byte[] data) {
+        Timber.tag(TAG).d("pttNativeSendRecordCmd: %d bytes", data.length);
         OEM_Push_Record_Data(data);
     }
 
     public void pttNativeSendAtCmd(String strAtCmd)
     {
         try {
-            Log.i(TAG,"strAtCmd " + strAtCmd);
+            Timber.tag(TAG).i("AT Send: %s", strAtCmd);
             OEM_AT_Send(strAtCmd);
         } catch (Throwable e) {
-            Log.e(TAG, "Native AT Send failed: " + e.getMessage());
+            Timber.tag(TAG).e( "Native AT Send failed: " + e.getMessage());
         }
     }
 
@@ -130,7 +135,7 @@ public class pttNative {
         try {
             OEM_Poc_Task_Start();
         } catch (Throwable e) {
-            Log.e(TAG, "Native PocTaskStart failed");
+            Timber.tag(TAG).e(e, "Native PocTaskStart failed");
         }
     }
 
@@ -139,6 +144,7 @@ public class pttNative {
         try {
             return OEM_Set_AT_CallBack("OEM_AT_cb");
         } catch (Throwable e) {
+            Timber.tag(TAG).e(e, "Failed to set AT callback");
             return -1;
         }
     }
@@ -148,6 +154,7 @@ public class pttNative {
         try {
             return OEM_Set_Play_CallBack("OEM_Play_cb");
         } catch (Throwable e) {
+            Timber.tag(TAG).e(e, "Failed to set Play callback");
             return -1;
         }
     }
@@ -157,6 +164,7 @@ public class pttNative {
         try {
             return OEM_Set_Play_Start_Callback("OEM_Play_Start_cb");
         } catch (Throwable e) {
+            Timber.tag(TAG).e(e, "Failed to set PlayStart callback");
             return -1;
         }
     }
@@ -166,6 +174,7 @@ public class pttNative {
         try {
             return OEM_Set_Play_Stop_Callback("OEM_Play_Stop_cb");
         } catch (Throwable e) {
+            Timber.tag(TAG).e(e, "Failed to set PlayStop callback");
             return -1;
         }
     }
@@ -175,6 +184,7 @@ public class pttNative {
         try {
             return OEM_Set_Record_Start_Callback("OEM_Record_Start_cb");
         } catch (Throwable e) {
+            Timber.tag(TAG).e(e, "Failed to set RecordStart callback");
             return -1;
         }
     }
@@ -184,6 +194,7 @@ public class pttNative {
         try {
             return OEM_Set_Record_Stop_Callback("OEM_Record_Stop_cb");
         } catch (Throwable e) {
+            Timber.tag(TAG).e(e, "Failed to set RecordStop callback");
             return -1;
         }
     }
@@ -193,6 +204,7 @@ public class pttNative {
         try {
             return OEM_Set_TTS_Callback("OEM_Play_TTS_cb");
         } catch (Throwable e) {
+            Timber.tag(TAG).e(e, "Failed to set TTS callback");
             return -1;
         }
     }
@@ -202,17 +214,20 @@ public class pttNative {
         try {
             return OEM_Set_Package_Name(name);
         } catch (Throwable e) {
+            Timber.tag(TAG).e(e, "Failed to set package callback");
             return -1;
         }
     }
 
     public pttNative() {
+        Timber.tag(TAG).d("pttNative instance created");
         initAudioTrack();
     }
 
     private AudioTrack mAudioTrack;
     public void initAudioTrack() {
         int mAudioMinBufSize = AudioTrack.getMinBufferSize(8000, AudioFormat.CHANNEL_OUT_MONO, AudioFormat.ENCODING_PCM_16BIT);
+        Timber.tag(TAG).d("AudioTrack init: minBufSize=%d", mAudioMinBufSize);
 
         AudioAttributes audioAttributes = new AudioAttributes.Builder()
                 .setUsage(AudioAttributes.USAGE_VOICE_COMMUNICATION) // 通信场景
@@ -245,7 +260,7 @@ public class pttNative {
                 }
                 mAudioTrack.release();
                 mAudioTrack = null;
-            } catch (Exception e) {}
+            } catch (Exception e) { Timber.tag(TAG).e(e, "AudioTrack destroy failed"); }
         }
     }
 
diff --git a/app/src/main/java/com/stand/standapp/AndroidInterface.kt b/app/src/main/java/com/stand/standapp/AndroidInterface.kt
index b6b2ce6..d87c7d5 100644
--- a/app/src/main/java/com/stand/standapp/AndroidInterface.kt
+++ b/app/src/main/java/com/stand/standapp/AndroidInterface.kt
@@ -107,6 +107,8 @@ class AndroidInterface(private val activity: MainActivity) {
             SendAtUtil.speakPlay()
             Timber.tag("PTT").d("Speak Play")
             MainActivity.executeJs("updatePttTalkStatus(true)")
+        } else {
+            Timber.tag("PTT").w("Speak Play ignored: already speaking")
         }
     }
 
@@ -125,11 +127,13 @@ class AndroidInterface(private val activity: MainActivity) {
             json.put("groupName", com.example.kingway.ptt.CallBackResolution.getCurrentGroupName())
             json.toString()
         } catch (e: Exception) {
+            Timber.tag("PTT").e(e, "pttGetCurrentGroup failed")
             "{\"groupId\":\"\",\"groupName\":\"\"}"
         }
     }
 
     fun pttSpeakRelease() {
+        Timber.tag("PTT").d("pttSpeakRelease called, isSpeaking=%s", isSpeaking)
         if (isSpeaking) {
             val now = System.currentTimeMillis()
             val duration = now - lastSpeakTime
@@ -152,34 +156,42 @@ class AndroidInterface(private val activity: MainActivity) {
             SendAtUtil.speakRelease()
             Timber.tag("PTT").d("Real Speak Release")
             MainActivity.executeJs("updatePttTalkStatus(false)")
+        } else {
+            Timber.tag("PTT").w("realRelease skipped: already released")
         }
     }
 
     fun pttForceRelease() {
+        val wasSpeaking = isSpeaking
         isSpeaking = false
         SendAtUtil.speakRelease()
-        Timber.tag("PTT").d("Force Release")
+        Timber.tag("PTT").d("Force Release (wasSpeaking=%s)", wasSpeaking)
     }
 
     fun pttGetGroupInfo() {
+        Timber.tag("PTT").d("pttGetGroupInfo called")
         SendAtUtil.getGroupInfo()
     }
 
     fun pttGetGroupMemberInfo(gid: String) {
+        Timber.tag("PTT").d("pttGetGroupMemberInfo: gid=%s", gid)
         SendAtUtil.getGroupMemberInfo(gid)
     }
 
     fun simulatePttConflict() {
+        Timber.tag("PTT").w("simulatePttConflict: showing conflict dialog via JS bridge")
         Handler(Looper.getMainLooper()).post {
             MainActivity.showPttConflictDialog()
         }
     }
 
     fun pttSendAtCmd(cmd: String) {
+        Timber.tag("PTT").d("pttSendAtCmd: %s", cmd)
         SendAtUtil.sendRawCmd(cmd)
     }
 
     fun pttJumpGroup(gid: String) {
+        Timber.tag("PTT").d("pttJumpGroup: gid=%s", gid)
         SendAtUtil.jumpGroup(gid)
     }
 
@@ -358,6 +370,7 @@ class AndroidInterface(private val activity: MainActivity) {
             val packageInfo = activity.packageManager.getPackageInfo(activity.packageName, 0)
             packageInfo.versionName ?: "1.0.0"
         } catch (e: Exception) {
+            Timber.tag("AndroidInterface").e(e, "getVersionName failed")
             "1.0.0"
         }
     }
@@ -383,6 +396,7 @@ class AndroidInterface(private val activity: MainActivity) {
 
             json.toString()
         } catch (e: Exception) {
+            Timber.tag("AndroidInterface").e(e, "getAboutInfo failed")
             "{ \"appName\": \"消防值守台\", \"versionName\": \"1.0.0\" }"
         }
     }
@@ -405,6 +419,7 @@ class AndroidInterface(private val activity: MainActivity) {
             val prefs = activity.getSharedPreferences("msg_records", Context.MODE_PRIVATE)
             prefs.getString("history", "") ?: ""
         } catch (e: Exception) {
+            Timber.tag("Storage").e(e, "getMessages failed")
             ""
         }
     }
@@ -442,6 +457,7 @@ class AndroidInterface(private val activity: MainActivity) {
     }
 
     fun showRestartDialog(message: String, title: String) {
+        Timber.tag("AndroidInterface").w("showRestartDialog from JS: title=%s msg=%s", title, message)
         Handler(Looper.getMainLooper()).post {
             com.stand.standapp.MainActivity.showPttUpdateDialog(message, title)
         }
diff --git a/app/src/main/java/com/stand/standapp/LoginActivity.kt b/app/src/main/java/com/stand/standapp/LoginActivity.kt
index 70359b5..8c5d750 100644
--- a/app/src/main/java/com/stand/standapp/LoginActivity.kt
+++ b/app/src/main/java/com/stand/standapp/LoginActivity.kt
@@ -106,6 +106,7 @@ class LoginActivity : AppCompatActivity() {
     }
 
     private fun performLogin(username: String, password: String, remember: Boolean, officialMode: Boolean) {
+        Timber.tag("Login").d("开始登录: username=%s, server=%s", username, AppConfig.getServerUrl(this))
         val serverUrl = AppConfig.getServerUrl(this)
         val loginUrl = "$serverUrl/api/auth/login"
         
@@ -128,6 +129,7 @@ class LoginActivity : AppCompatActivity() {
 
         client.newCall(request).enqueue(object : Callback {
             override fun onFailure(call: Call, e: IOException) {
+                Timber.tag("Login").e(e, "登录网络请求失败")
                 runOnUiThread {
                     loadingDialog.dismiss()
                     Toast.makeText(applicationContext, "网络异常: ${e.message}", Toast.LENGTH_SHORT).show()
@@ -160,12 +162,14 @@ class LoginActivity : AppCompatActivity() {
                             Toast.makeText(applicationContext, "登录成功", Toast.LENGTH_SHORT).show()
 
                             // 获取独立的 PTT 账号并初始化
+                            Timber.tag("PTT").d("开始PTT初始化流程: username=%s, hasToken=%b", username, accessToken.isNotEmpty())
                             initPttWithAccount(username, accessToken)
 
                             // 2. 启动硬件 GPIO 监听
                             try {
                                 com.stand.standapp.utils.GpioManager.init(this@LoginActivity)
                                 com.stand.standapp.utils.GpioManager.startListening()
+                                Timber.tag("GPIO").d("GPIO初始化并启动监听成功")
                             } catch (e: Exception) {
                                 Timber.tag("GPIO").e(e, "GPIO init error")
                             }
@@ -312,6 +316,7 @@ class LoginActivity : AppCompatActivity() {
 
     private fun initPttWithAccount(username: String, accessToken: String) {
         if (accessToken.isEmpty()) {
+            Timber.tag("PTT").w("accessToken为空，使用默认PTT密码: username=%s", username)
             doPttInit(username, "123456")
             return
         }
@@ -339,8 +344,10 @@ class LoginActivity : AppCompatActivity() {
                         val data = json.optJSONObject("data")
                         val pttUsername = data?.optString("cardNumber", username) ?: username
                         val pttPassword = data?.optString("pocPassword", "123456") ?: "123456"
+                        Timber.tag("PTT").d("获取到服务器PTT账号: cardNumber=%s", pttUsername)
                         doPttInit(pttUsername, pttPassword)
                     } else {
+                        Timber.tag("PTT").w("获取PTT账号失败, code=%d", json.optInt("code"))
                         doPttInit(username, "123456")
                     }
                 } catch (e: Exception) {
@@ -352,21 +359,26 @@ class LoginActivity : AppCompatActivity() {
     }
 
     private fun doPttInit(pttUsername: String, pttPassword: String) {
+        Timber.tag("PTT").d("PTT初始化开始: username=%s", pttUsername)
         android.os.Handler(android.os.Looper.getMainLooper()).post {
             Toast.makeText(applicationContext, "PTT初始化中...", Toast.LENGTH_SHORT).show()
         }
 
         // 1. PTT 引擎强制重置后登录 (销毁旧 session，确保干净状态)
         try {
+            Timber.tag("PTT").d("发送PTT取消登录指令")
             com.example.kingway.ptt.SendAtUtil.toCancelLogin()
+            Timber.tag("PTT").d("发送PTT注销指令")
             com.example.kingway.ptt.SendAtUtil.toLogout()
         } catch (e: Exception) {
             Timber.tag("PTT").e(e, "PTT init error")
         }
 
         // 使用 Handler 替代硬编码 Thread.sleep，避免阻塞或随意开辟线程
+        Timber.tag("PTT").d("等待1500ms以确保旧session完全清理")
         android.os.Handler(android.os.Looper.getMainLooper()).postDelayed({
             try {
+                Timber.tag("PTT").d("发送PTT登录指令: username=%s, ip=%s", pttUsername, "220.154.131.231")
                 com.example.kingway.ptt.SendAtUtil.toLogin(pttUsername, pttPassword, "220.154.131.231", 1, 1)
             } catch (e: Exception) {
                 Timber.tag("PTT").e(e, "PTT login error")
diff --git a/app/src/main/java/com/stand/standapp/MainActivity.kt b/app/src/main/java/com/stand/standapp/MainActivity.kt
index b45722a..b2f27ea 100644
--- a/app/src/main/java/com/stand/standapp/MainActivity.kt
+++ b/app/src/main/java/com/stand/standapp/MainActivity.kt
@@ -49,6 +49,7 @@ class MainActivity : AppCompatActivity() {
         // 硬件按键触发
         @JvmStatic
         fun onHardwarePttDown() {
+            Timber.tag("MainActivity").d("onHardwarePttDown triggered")
             instance?.runOnUiThread {
                 instance?.pttInterface?.pttSpeakPlay()
                 executeJs("onHardwarePttDown()")
@@ -57,6 +58,7 @@ class MainActivity : AppCompatActivity() {
 
         @JvmStatic
         fun onHardwarePttUp() {
+            Timber.tag("MainActivity").d("onHardwarePttUp triggered")
             instance?.runOnUiThread {
                 instance?.pttInterface?.pttSpeakRelease()
                 executeJs("onHardwarePttUp()")
@@ -65,6 +67,7 @@ class MainActivity : AppCompatActivity() {
 
         @JvmStatic
         fun showPttConflictDialog() {
+            Timber.tag("PTT").w("showPttConflictDialog: account conflict detected")
             if (isConflictDialogShowing) return
             isConflictDialogShowing = true
             instance?.runOnUiThread {
@@ -83,10 +86,12 @@ class MainActivity : AppCompatActivity() {
 
         @JvmStatic
         fun showPttUpdateDialog(msg: String, title: String) {
+            Timber.tag("PTT").w("showPttUpdateDialog: title=%s msg=%s", title, msg)
             if (isConflictDialogShowing) return
             val ctx = instance
             if (ctx == null) {
                 pendingDialog = title to msg
+                Timber.tag("PTT").d("Pending dialog stored (instance null): title=%s", title)
                 return
             }
             isConflictDialogShowing = true
@@ -106,6 +111,7 @@ class MainActivity : AppCompatActivity() {
         @JvmStatic
         fun showPendingDialogIfNeeded() {
             val pending = pendingDialog ?: return
+            Timber.tag("PTT").d("Flushing pending dialog: %s", pending.second)
             pendingDialog = null
             showPttUpdateDialog(pending.second, pending.first)
         }
diff --git a/app/src/main/java/com/stand/standapp/utils/GpioManager.kt b/app/src/main/java/com/stand/standapp/utils/GpioManager.kt
index 21bb5d0..9de8d9d 100644
--- a/app/src/main/java/com/stand/standapp/utils/GpioManager.kt
+++ b/app/src/main/java/com/stand/standapp/utils/GpioManager.kt
@@ -78,10 +78,14 @@ object GpioManager {
                     MainActivity.executeJs("updatePttTalkStatus(true)")
                     // 同步 TempCallActivity
                     TempCallActivity.instance?.onGpioPressed()
+                    Timber.tag("GPIO").d("Notified TempCallActivity: onGpioPressed")
+                } else {
+                    Timber.tag("GPIO").w("GPIO pressed but isSpeaking already true — ignoring")
                 }
 
             } else {
                 // 硬件松开 PTT
+                Timber.tag("GPIO").d("GPIO released, isSpeaking=%s", isSpeaking)
                 if (isSpeaking) {
                     val now = System.currentTimeMillis()
                     val duration = now - lastSpeakTime
@@ -109,6 +113,9 @@ object GpioManager {
             MainActivity.executeJs("updatePttTalkStatus(false)")
             // 同步 TempCallActivity
             TempCallActivity.instance?.onGpioReleased()
+            Timber.tag("GPIO").d("Notified TempCallActivity: onGpioReleased")
+        } else {
+            Timber.tag("GPIO").w("GPIO realRelease skipped: already released")
         }
     }
 }