diff --git a/ocean_lib/library.cpp b/ocean_lib/library.cpp
index bc88ec8..c8baef0 100644
--- a/ocean_lib/library.cpp
+++ b/ocean_lib/library.cpp
@@ -56,11 +56,12 @@ int OceanOptics_lib::Initialize(bool bIsUSBMode,ZZ_U8 ucPortNumber,std::string s
 //        printf("\nNo!!!!!!!!!!!!\n");
         return 1;
     }
+    seabreeze_set_trigger_mode(m_iSpectralmeterHandle, &error, 0);
 
-    seabreeze_set_trigger_mode(m_iSpectralmeterHandle, &error, 0);
-    seabreeze_set_trigger_mode(m_iSpectralmeterHandle, &error, 0);
-    seabreeze_set_trigger_mode(m_iSpectralmeterHandle, &error, 0);
-    printf("seabreeze_set_trigger_mode: Result is [%s]\n", get_error_string(error));
+    long test = seabreeze_get_buffer_capacity_minimum(m_iSpectralmeterHandle, &error);
+    seabreeze_set_buffer_capacity(m_iSpectralmeterHandle, &error, test);
+
+//    printf("seabreeze_set_trigger_mode: Result is [%s]\n", get_error_string(error));
 
 
 
@@ -120,7 +121,13 @@ int OceanOptics_lib::Initialize()
     seabreeze_set_trigger_mode(m_iSpectralmeterHandle, &error, 0);
     seabreeze_set_trigger_mode(m_iSpectralmeterHandle, &error, 0);
     seabreeze_set_trigger_mode(m_iSpectralmeterHandle, &error, 0);
-    printf("seabreeze_set_trigger_mode: Result is [%s]\n", get_error_string(error));
+
+    long test = seabreeze_get_buffer_capacity_minimum(m_iSpectralmeterHandle, &error);
+    printf("seabreeze_get_buffer_capacity_minimum: Result is [%s]\n", get_error_string(error));
+    seabreeze_set_buffer_capacity(m_iSpectralmeterHandle, &error, test);
+    printf("seabreeze_set_buffer_capacity: Result is [%s]\n", get_error_string(error));
+
+//    printf("seabreeze_set_trigger_mode: Result is [%s]\n", get_error_string(error));
 
     //设置初始积分时间
     long minimum_time;
@@ -261,10 +268,16 @@ int OceanOptics_lib::SingleShot(DataFrame &dfData)
     if(spec_length > 0)
     {
         spectrum = (double *)calloc((size_t)spec_length, sizeof(double));
+        seabreeze_clear_buffer(m_iSpectralmeterHandle, &error);
+
+        auto startTime = std::chrono::high_resolution_clock::now();
 
-        printf("\nGetting a formatted spectrum.\n");
         flag = seabreeze_get_formatted_spectrum(m_iSpectralmeterHandle, &error, spectrum, spec_length);
-        printf("\nGetting a formatted spectrum------------------------------.\n");
+
+        auto endTime = std::chrono::high_resolution_clock::now();
+        std::chrono::duration<double, std::milli> fp_ms = endTime - startTime;
+        std::cout <<"采集耗时为："<< fp_ms.count()/1000 <<"s."<< std::endl;
+
 //        printf("Get formatted spectrum result is (%d) [%s]\n", flag, get_error_string(error));
 //        printf("\tPixel value 20 is %1.2f\n", spectrum[20]);
         ret = isSuccess((char*)get_error_string(error));
@@ -303,8 +316,10 @@ int OceanOptics_lib::SetExposureTime(int iExposureTimeInMS)
 
     int error;
 
+    seabreeze_set_trigger_mode(m_iSpectralmeterHandle, &error, 0); // trigger to normal
     seabreeze_set_integration_time_microsec(m_iSpectralmeterHandle, &error, iExposureTimeInMS*1000);
     printf("Set integration time result is [%s]\n", get_error_string(error));
+
     bool ret = isSuccess((char*)get_error_string(error));
     if (!ret)
     {
@@ -384,6 +399,8 @@ int OceanOptics_lib::SetDeviceTemperature(float fTemperature)
 //获取温度设置
 int OceanOptics_lib::GetDeviceTemperature(float &fTemperature)
 {
+    dark_pixel_count = seabreeze_get_electric_dark_pixel_indices(index,
+                                                                 error_code, dark_pixels, MAX_DARK_PIXELS);
     if(m_iSpectralmeterHandle==-100)
     {
         printf("\nNo!!!!!!!!!!!!\n");
diff --git a/ocean_lib/library.h b/ocean_lib/library.h
index 5f09b0c..1d21b93 100644
--- a/ocean_lib/library.h
+++ b/ocean_lib/library.h
@@ -5,6 +5,8 @@
 #include <cstdlib>
 #include <ctime>
 #include <unistd.h>
+#include <chrono>
+
 #include "api/SeaBreezeWrapper.h"
 
 #include "IrisFiberSpectrometerBase.h"
diff --git a/ocean_lib/main.cpp b/ocean_lib/main.cpp
index e74a1ce..ce8ec42 100644
--- a/ocean_lib/main.cpp
+++ b/ocean_lib/main.cpp
@@ -129,8 +129,8 @@ int main()
 //---------------------------------------------------------------------------------------------------------------------------------------------------
     int ret;
     OceanOptics_lib fiberImager;
-    fiberImager.Initialize(true,10,"QEP02975");//QEP02975  FLMS15814
-//    fiberImager.Initialize();
+//    fiberImager.Initialize(true,10,"FLMS15814");//QEP02975  FLMS15814
+    fiberImager.Initialize();
 
 
     ret = fiberImager.SetExposureTime(10000);
@@ -152,7 +152,7 @@ int main()
 
 
 
-//
+
 //
 //int main()
 //{