diff --git a/app/src/main/assets/print_demo.html b/app/src/main/assets/print_demo.html
index 34adcc1..faafd8f 100644
--- a/app/src/main/assets/print_demo.html
+++ b/app/src/main/assets/print_demo.html
@@ -158,7 +158,10 @@
     <div class="ws-card ptt-card">
         <div style="display: flex; align-items: center; justify-content: space-between;">
             <strong style="color: #047857;">PTT 业务功能测试</strong>
-            <span id="ptt-status-tag" class="ws-status ws-disconnected">PTT 未登录</span>
+            <div style="display: flex; gap: 5px;">
+                <span id="ptt-talk-status" class="ws-status" style="background: #e2e8f0; color: #64748b; display: none;">通话中</span>
+                <span id="ptt-status-tag" class="ws-status ws-disconnected">PTT 未登录</span>
+            </div>
         </div>
 
         <div class="ws-input-group" style="margin-top: 10px;">
@@ -636,6 +639,25 @@
         pttResult.insertBefore(item, pttResult.firstChild);
     }
 
+    // 更新 PTT 通话状态 (由 Android 原生同步调用)
+    window.updatePttTalkStatus = function(isTalking) {
+        var statusNode = document.getElementById('ptt-talk-status');
+        if (isTalking) {
+            statusNode.style.display = 'inline-block';
+            statusNode.style.background = '#fee2e2';
+            statusNode.style.color = '#ef4444';
+            statusNode.innerText = '● 正在通话';
+            
+            // 如果 UI 按钮还没更新，强制更新一次
+            pttBtn.style.background = "#b91c1c";
+            pttBtn.innerText = "正在通话...";
+        } else {
+            statusNode.style.display = 'none';
+            pttBtn.style.background = "#ef4444";
+            pttBtn.innerText = "长按对讲 (PTT)";
+        }
+    };
+
     // PTT 登录成功回调 (由 Android 调用)
     function onPttLoginSuccess() {
         pttStatusTag.innerText = "PTT 已登录";
diff --git a/app/src/main/java/com/stand/standapp/AndroidInterface.kt b/app/src/main/java/com/stand/standapp/AndroidInterface.kt
index 689b7b1..9b703dd 100644
--- a/app/src/main/java/com/stand/standapp/AndroidInterface.kt
+++ b/app/src/main/java/com/stand/standapp/AndroidInterface.kt
@@ -30,6 +30,7 @@ class AndroidInterface(private val activity: MainActivity) {
             lastSpeakTime = System.currentTimeMillis()
             SendAtUtil.speakPlay()
             Timber.tag("PTT").d("Speak Play")
+            MainActivity.executeJs("updatePttTalkStatus(true)")
         }
     }
 
@@ -60,6 +61,7 @@ class AndroidInterface(private val activity: MainActivity) {
             isSpeaking = false
             SendAtUtil.speakRelease()
             Timber.tag("PTT").d("Real Speak Release")
+            MainActivity.executeJs("updatePttTalkStatus(false)")
         }
     }
 
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 b4472ee..6ba77c3 100644
--- a/app/src/main/java/com/stand/standapp/utils/GpioManager.kt
+++ b/app/src/main/java/com/stand/standapp/utils/GpioManager.kt
@@ -71,7 +71,10 @@ object GpioManager {
                     lastSpeakTime = System.currentTimeMillis()
                     com.example.kingway.ptt.SendAtUtil.speakPlay()
                     Timber.tag("GPIO").d("PTT Speak Play (Hardware)")
+                    // 统一使用 updatePttTalkStatus 更新 UI
+                    MainActivity.executeJs("updatePttTalkStatus(true)")
                 }
+
             } else {
                 // 硬件松开 PTT
                 if (isSpeaking) {
@@ -97,6 +100,8 @@ object GpioManager {
             isSpeaking = false
             com.example.kingway.ptt.SendAtUtil.speakRelease()
             Timber.tag("GPIO").d("PTT Speak Release (Hardware)")
+            // 统一使用 updatePttTalkStatus 更新 UI
+            MainActivity.executeJs("updatePttTalkStatus(false)")
         }
     }
 }