From: luozheng <1732036298@qq.com>
Date: Tue, 22 Jul 2025 10:04:18 +0000 (+0800)
Subject: 解决4GAI中断对话会死机问题，@薛文强测试次数超过100次，未出现。
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解决4GAI中断对话会死机问题，@薛文强测试次数超过100次，未出现。
---

diff --git a/code/sdk/application/wearable/fd230app/nativeui/aivoice/include/AiVoicePresenter.h b/code/sdk/application/wearable/fd230app/nativeui/aivoice/include/AiVoicePresenter.h
index 257255bd2..2967eb596 100644
--- a/code/sdk/application/wearable/fd230app/nativeui/aivoice/include/AiVoicePresenter.h
+++ b/code/sdk/application/wearable/fd230app/nativeui/aivoice/include/AiVoicePresenter.h
@@ -14,6 +14,7 @@
 #include "components/ui_time_picker.h"
 #include "components/ui_slider.h"
 #include "ModelListenerSample.h"
+#include <mutex>
 namespace OHOS
 {
     class AiVoiceView;
@@ -74,6 +75,8 @@ namespace OHOS
 
         int preHeight{0};
         bool isScroll{false};
+
+        std::mutex m_mutex;  // 添加互斥锁
     };
 }
 
diff --git a/code/sdk/application/wearable/fd230app/nativeui/aivoice/src/AiVoicePresenter.cpp b/code/sdk/application/wearable/fd230app/nativeui/aivoice/src/AiVoicePresenter.cpp
index 2d30825d0..fdaeaecce 100644
--- a/code/sdk/application/wearable/fd230app/nativeui/aivoice/src/AiVoicePresenter.cpp
+++ b/code/sdk/application/wearable/fd230app/nativeui/aivoice/src/AiVoicePresenter.cpp
@@ -27,7 +27,7 @@
 #include "aivoice/include/AiVoiceSelectView.h"
 
 #include "cat1_ws.h"
-
+#include <mutex>
 namespace OHOS
 {
 #ifdef __cplusplus
@@ -146,7 +146,8 @@ namespace OHOS
         if (model->GetSelect4gorbt() == AI_SELECT_4G)
         {
             preHeight = 0;
-            ChangeViewAndLogicOperator(model->GetCurView(), AIVOICE_RETURN_RESULT_TEXT_VIEWID);
+            if (model->GetCurView() == AIVOICE_LISTENING_VIEWID || model->GetCurView() == AIVOICE_THINKING_VIEWID)
+                ChangeViewAndLogicOperator(model->GetCurView(), AIVOICE_RETURN_RESULT_TEXT_VIEWID);
         }
         else if (model->GetSelect4gorbt() == AI_SELECT_BT)
         {
@@ -285,6 +286,10 @@ namespace OHOS
     bool AiVoicePresenter::ChangeViewAndLogicOperator(int16_t hideView, int16_t showView)
     {
         WEARABLE_LOGD(WEARABLE_LOG_MODULE_APP, "AiVoicePresenter::ChangeViewOperator");
+
+        // 加锁，作用域结束时自动释放锁
+        std::lock_guard<std::mutex> lock(m_mutex);
+
         bool isSameView = (hideView == showView);
         if (isSameView)
         {
@@ -591,6 +596,14 @@ namespace OHOS
         auto it = viewIdMap.find(viewId);
         if (it != viewIdMap.end())
         {
+            if (it->first != ALERT_APPBLUETOOTH_AND_4GNETWORK_ENSURE_BUTTON_VIEW_ID)
+            {
+                if (model->GetSelect4gorbt() == AI_SELECT_4G)
+                {
+                    dinit_ai_task();
+                    LOS_Msleep(50);
+                }
+            }
             ChangeViewAndLogicOperator(it->second.first, it->second.second);
             return true;
         }