diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index 607d154e..589c9129 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -575,14 +575,16 @@ CPhoneDevice::CPhoneDevice(JavaVM* vm, jobject service, const std::string& appPa
 
 CPhoneDevice::~CPhoneDevice()
 {
+    std::map<IDevice::timer_uid_t, TIMER_CONTEXT*> timers;
     m_devLocker.lock();
-    for (auto it = mTimers.begin(); it != mTimers.end(); ++it)
+    mTimers.swap(timers);
+    m_devLocker.unlock();
+    for (auto it = timers.begin(); it != timers.end(); ++it)
     {
         timer_delete((timer_t)it->first);
         delete it->second;
     }
-    mTimers.clear();
-    m_devLocker.unlock();
+    timers.clear();
 
     JNIEnv* env = NULL;
     bool didAttachThread = false;
@@ -1473,29 +1475,27 @@ IDevice::timer_uid_t CPhoneDevice::RegisterTimer(unsigned int timerType, unsigne
 
 bool CPhoneDevice::UnregisterTimer(IDevice::timer_uid_t uid)
 {
-    bool existed = false;
+    TIMER_CONTEXT *timerContext = NULL;
+    std::map<IDevice::timer_uid_t, TIMER_CONTEXT*>::iterator it;
     m_devLocker.lock();
-    std::map<IDevice::timer_uid_t, TIMER_CONTEXT*>::iterator it = mTimers.find(uid);
+    it = mTimers.find(uid);
     if (it != mTimers.end())
     {
-        delete it->second;
+        timerContext = it->second;
         mTimers.erase(it);
-        m_devLocker.unlock();
-        existed = true;
     }
-    else
-    {
-        m_devLocker.unlock();
-    }
-
-    if (existed)
+    m_devLocker.unlock();
+    if (timerContext != NULL)
     {
         ALOGI("UnregisterTimer: %lld", uid);
         timer_t timer = (timer_t)uid;
         int res = timer_delete(timer);
+        delete timerContext;
+
+        return true;
     }
 
-    return existed;
+    return false;
 }
 
 uint64_t CPhoneDevice::RequestWakelock(uint64_t timeout)
@@ -1613,7 +1613,9 @@ bool CPhoneDevice::TakePhotoWithNetCamera(IDevice::PHOTO_INFO& localPhotoInfo, c
     // Wait about 10s
     for (int idx = 0; idx < 84; idx++)
     {
+        XYLOG(XYLOG_SEVERITY_INFO, "Before GetEthnetHandle %d IMGID=%u", idx, localPhotoInfo.photoId);
         netHandle = GetEthnetHandle();
+        XYLOG(XYLOG_SEVERITY_INFO, "After GetEthnetHandle %d NetHandle=%llu IMGID=%u", idx, netHandle, localPhotoInfo.photoId);
         if (netHandle != 0)
         {
             break;
@@ -1626,22 +1628,20 @@ bool CPhoneDevice::TakePhotoWithNetCamera(IDevice::PHOTO_INFO& localPhotoInfo, c
         // timeout
         m_ethernetFailures++;
 
-#if !defined(NDEBUG) && defined(OUTPUT_DBG_INFO)
-        std::string pwrStatus = powerCtrlPtr->GetStatus();
-        pwrStatus += ethernetPowerCtrl->GetStatus();
-        XYLOG(XYLOG_SEVERITY_ERROR, "Ethernet Not Existing CH=%u PR=%X PHOTOID=%u EthFailures=%u PWR:%s",
-              (uint32_t)localPhotoInfo.channel, (uint32_t)localPhotoInfo.preset, localPhotoInfo.photoId, m_ethernetFailures, pwrStatus.c_str());
-#else
         XYLOG(XYLOG_SEVERITY_ERROR, "Ethernet Not Existing CH=%u PR=%X PHOTOID=%u EthFailures=%u",
               (uint32_t)localPhotoInfo.channel, (uint32_t)localPhotoInfo.preset, localPhotoInfo.photoId, m_ethernetFailures);
-#endif
+
         TakePhotoCb(0, localPhotoInfo, "", 0);
+
+        XYLOG(XYLOG_SEVERITY_INFO, "After TakePhotoCb %d IMGID=%u", localPhotoInfo.photoId);
         if (m_ethernetFailures > 3)
         {
             time_t rebootTime = GetRebootTime();
             if (ts - rebootTime > 1800)
             {
+                XYLOG(XYLOG_SEVERITY_INFO, "Before Reboot %d IMGID=%u", localPhotoInfo.photoId);
                 Reboot(REBOOT_TYPE_DEVICE, true, "Ethernet Not Existing");
+                XYLOG(XYLOG_SEVERITY_INFO, "After Reboot %d IMGID=%u", localPhotoInfo.photoId);
             }
         }
 
@@ -1653,11 +1653,14 @@ bool CPhoneDevice::TakePhotoWithNetCamera(IDevice::PHOTO_INFO& localPhotoInfo, c
         unsigned int netMask = 0;
         unsigned int gateway = 0;
         char buf[32] = { 0 };
+        XYLOG(XYLOG_SEVERITY_INFO, "Before GetNetInfo %d IMGID=%u", localPhotoInfo.photoId);
         if (GetNetInfo("eth0", ip, netMask, gateway))
         {
+            XYLOG(XYLOG_SEVERITY_INFO, "After GetNetInfo %d IMGID=%u", localPhotoInfo.photoId);
             // const
             sockaddr_in addrIn = { AF_INET, 0, ip};
             inet_ntop(AF_INET, &addrIn.sin_addr, buf, sizeof(buf)); //其中recvAddr为SOCKADDR_IN类型
+            XYLOG(XYLOG_SEVERITY_INFO, "After ntop %d IMGID=%u", localPhotoInfo.photoId);
         }
 
         XYLOG(XYLOG_SEVERITY_INFO, "Ethernet is Available Handle=%llu IP=%s CH=%u PR=%X PHOTOID=%u", (uint64_t)netHandle, buf, (uint32_t)localPhotoInfo.channel, (uint32_t)localPhotoInfo.preset, localPhotoInfo.photoId);
@@ -1703,7 +1706,7 @@ bool CPhoneDevice::TakePhotoWithNetCamera(IDevice::PHOTO_INFO& localPhotoInfo, c
             UniviewResolutionSet(netPhotoInfo, localPhotoInfo.cameraId,localPhotoInfo.resolution);
         }
 #endif
-
+：
         img.clear();
         netCaptureResult = vendorCtrl->TakePhoto(localPhotoInfo.cameraId, img);
 
@@ -1850,7 +1853,6 @@ bool CPhoneDevice::TakeVideoWithNetCamera(IDevice::PHOTO_INFO& localPhotoInfo, c
         vendorCtrl->SetResolution(localPhotoInfo.cameraId, 1, localPhotoInfo.width, localPhotoInfo.height);
     }
 
-
     std::string streamingUrl = vendorCtrl->GetStreamingUrl(localPhotoInfo.cameraId);
 
     if (streamingUrl.empty())