diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index 649701e8..9d5a9b40 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -1149,6 +1149,7 @@ bool CPhoneDevice::TakePhoto(const IDevice::PHOTO_INFO& photoInfo, const vector<
     params.autoExposure = mPhotoInfo.autoExposure;
     params.focusTimeout = mPhotoInfo.focusTimeout * 1000;
     params.exposureTime = mPhotoInfo.exposureTime;
+    params.expsTimeUs = mPhotoInfo.expsTimeUs;
     params.sensitivity = mPhotoInfo.sensitivity;
     params.compensation = mPhotoInfo.compensation;
     params.orientation = mPhotoInfo.orientation;
@@ -1161,6 +1162,7 @@ bool CPhoneDevice::TakePhoto(const IDevice::PHOTO_INFO& photoInfo, const vector<
         {
             params.autoExposure = 0;
             params.exposureTime = 1200;
+            params.expsTimeUs = 0;
             params.sensitivity = 1200;
         }
     }
@@ -1513,7 +1515,7 @@ bool CPhoneDevice::OnImageReady(cv::Mat& mat)
 
     char extimeunit[4] = { 0 };
     unsigned int extime = (captureResult.exposureTime >= 1000000) ? ((unsigned int)(captureResult.exposureTime / 1000000)) : ((unsigned int)(captureResult.exposureTime / 1000));
-    strcpy(extimeunit, (captureResult.exposureTime >= 1000000) ? "ms" : "ns");
+    strcpy(extimeunit, (captureResult.exposureTime >= 1000000) ? "ms" : "μs");
     char str[128] = { 0 };
     snprintf(str, sizeof(str), "AE=%u EXPS=%u%s(%d) ISO=%d AF=%u LDR=%d(%u) AFS=%u AES=%u SCENE=%d AWB=%u %0.1fx", captureResult.autoExposure,
              extime, extimeunit, captureResult.compensation,
diff --git a/app/src/main/cpp/camera2/ndkcamera.cpp b/app/src/main/cpp/camera2/ndkcamera.cpp
index a5a2c1f5..2e1cd4cf 100644
--- a/app/src/main/cpp/camera2/ndkcamera.cpp
+++ b/app/src/main/cpp/camera2/ndkcamera.cpp
@@ -559,8 +559,13 @@ int NdkCamera::open(const std::string& cameraId) {
         status = ACaptureRequest_setEntry_i32(capture_request, ACAMERA_CONTROL_AE_TARGET_FPS_RANGE,2,fpsRange);
     }
 
-    if (afSupported && m_params.autoFocus) {
+    uint8_t nrMode = ACAMERA_NOISE_REDUCTION_MODE_FAST;
+    status = ACaptureRequest_setEntry_u8(capture_request, ACAMERA_NOISE_REDUCTION_MODE, 1, &nrMode);
+
+    uint8_t edgeMode = ACAMERA_EDGE_MODE_FAST;
+    status = ACaptureRequest_setEntry_u8(capture_request, ACAMERA_EDGE_MODE, 1, &edgeMode);
 
+    if (afSupported && m_params.autoFocus) {
 
         if (!m_params.zoom)
         {
@@ -573,7 +578,7 @@ int NdkCamera::open(const std::string& cameraId) {
                 int32_t sizeY = activeArraySize[1] >> 4;
 
                 int32_t afRegions[] = {centerX - sizeX, centerY - sizeY, centerX + sizeX, centerY + sizeY, 1000};
-                status = ACaptureRequest_setEntry_i32(capture_request, ACAMERA_CONTROL_AF_REGIONS, 5, afRegions);
+                // status = ACaptureRequest_setEntry_i32(capture_request, ACAMERA_CONTROL_AF_REGIONS, 5, afRegions);
                 if (status == ACAMERA_OK)
                 {
                     // m_imagesCaptured = ~0;
@@ -672,9 +677,10 @@ int NdkCamera::open(const std::string& cameraId) {
                 int32_t sensitivity = m_params.sensitivity;
                 status = ACaptureRequest_setEntry_i32(capture_request, ACAMERA_SENSOR_SENSITIVITY, 1, &sensitivity);
             }
-            if (m_params.exposureTime > 0)
+            if (m_params.exposureTime > 0 || m_params.expsTimeUs > 0)
             {
                 int64_t exposureTime = ((int64_t)m_params.exposureTime) * 1000000;
+                exposureTime += ((int64_t)m_params.expsTimeUs) * 1000;
                 status = ACaptureRequest_setEntry_i64(capture_request, ACAMERA_SENSOR_EXPOSURE_TIME, 1, &exposureTime);
             }
         }
diff --git a/app/src/main/cpp/camera2/ndkcamera.h b/app/src/main/cpp/camera2/ndkcamera.h
index 4f06f7d5..955c6d31 100644
--- a/app/src/main/cpp/camera2/ndkcamera.h
+++ b/app/src/main/cpp/camera2/ndkcamera.h
@@ -77,6 +77,7 @@ public:
         unsigned int zoom;
         unsigned int reserved : 7;
         unsigned int exposureTime;	// ms
+        unsigned short expsTimeUs;	// μs
         unsigned int sensitivity;
         int compensation;
         float zoomRatio;