diff --git a/app/src/main/cpp/MicroPhoto.cpp b/app/src/main/cpp/MicroPhoto.cpp
index 135b72a2..a027244f 100644
--- a/app/src/main/cpp/MicroPhoto.cpp
+++ b/app/src/main/cpp/MicroPhoto.cpp
@@ -117,7 +117,7 @@ Java_com_xypower_mpapp_MicroPhotoService_init(
     device->SetListener(pTerminal);
 
     pTerminal->InitServerInfo(appPathStr, cmdidStr, ipStr, port, udpOrTcp);
-    pTerminal->SetPacketSize(1 * 1024);	// 1K
+    // pTerminal->SetPacketSize(1 * 1024);	// 1K
     bool res = pTerminal->Startup(device);
 
     env->ReleaseStringUTFChars(appPath, appPathStr);
diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index d5be5008..2273b263 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -19,6 +19,7 @@
 #define LOG_TAG "CameraTestHelpers"
 #include <AndroidHelper.h>
 #include "PhoneDevice.h"
+#include <Client/Terminal.h>
 #include <Utils.h>
 
 #include <opencv2/opencv.hpp>
@@ -552,7 +553,7 @@ IDevice::timer_uid_t CPhoneDevice::RegisterHeartbeat(unsigned int timerType, uns
     return uid;
 }
 
-bool CPhoneDevice::TakePhoto(const IDevice::PHOTO_INFO& photoInfo, const vector<OSD_INFO>& osds, const string& path)
+bool CPhoneDevice::TakePhoto(const IDevice::PHOTO_INFO& photoInfo, const vector<OSD_INFO>& osds, const std::string& path)
 {
     if (mCamera != NULL)
     {
@@ -599,6 +600,7 @@ void CPhoneDevice::CloseCamera2(CPhoneDevice::CPhoneCamera* camera)
 
 bool CPhoneDevice::OnImageReady(const cv::Mat& mat)
 {
+    mPhotoInfo.photoTime = time(NULL);
     int baseline = 0;
     cv::Size textSize, textSize2;
     double fontScale = 1; // base 1024
@@ -651,18 +653,19 @@ bool CPhoneDevice::OnImageReady(const cv::Mat& mat)
     compression_params.push_back(mPhotoInfo.quality);
 
     bool res = false;
-    if (!std::filesystem::exists(std::filesystem::path(mPath)))
+    std::string fullPath = mPath + CTerminal::BuildPhotoFileName(mPhotoInfo);
+    if (!std::filesystem::exists(std::filesystem::path(fullPath)))
     {
-        bool res = cv::imwrite(mPath.c_str(), mat, compression_params);
+        bool res = cv::imwrite(fullPath.c_str(), mat, compression_params);
         if (!res)
         {
-            ALOGE("Failed to write photo: %s", mPath.c_str());
+            ALOGE("Failed to write photo: %s", fullPath.c_str());
         }
         else
         {
-            ALOGI("Succeeded to write photo: %s", mPath.c_str());
+            ALOGI("Succeeded to write photo: %s", fullPath.c_str());
         }
-        TakePhotoCb(res, mPhotoInfo, mPath, time(NULL));
+        TakePhotoCb(res, mPhotoInfo, fullPath, time(NULL));
     }
     else
     {
diff --git a/app/src/main/cpp/PhoneDevice.h b/app/src/main/cpp/PhoneDevice.h
index 522e294c..a5de9c54 100644
--- a/app/src/main/cpp/PhoneDevice.h
+++ b/app/src/main/cpp/PhoneDevice.h
@@ -50,7 +50,7 @@ public:
 	virtual bool EnableGPS(bool enabled);
 	virtual bool RequestPosition();
     virtual timer_uid_t RegisterHeartbeat(unsigned int timerType, unsigned int timeout);
-	virtual bool TakePhoto(const IDevice::PHOTO_INFO& photoInfo, const vector<OSD_INFO>& osds, const string& path);
+	virtual bool TakePhoto(const IDevice::PHOTO_INFO& photoInfo, const vector<OSD_INFO>& osds, const std::string& path);
 	virtual bool CloseCamera();
     virtual timer_uid_t RegisterTimer(unsigned int timerType, unsigned int timeout, unsigned long times = 0);
     virtual bool UnregisterTimer(timer_uid_t uid);
@@ -113,7 +113,6 @@ protected:
     atomic_ulong m_wakelockIdFeed;
 	std::map<IDevice::timer_uid_t, unsigned long> mTimers;
 
-
 	mutable CPhoneCamera*	mCamera;
 
     time_t mHeartbeatStartTime;