diff --git a/zynq_7010_code/HCamDevice.cpp b/zynq_7010_code/HCamDevice.cpp
index 570aa10..ec2c0e0 100644
--- a/zynq_7010_code/HCamDevice.cpp
+++ b/zynq_7010_code/HCamDevice.cpp
@@ -915,12 +915,8 @@ void HCamDevice::HtCamChangeExposureValueF(uint32_t* value)
 	std::this_thread::sleep_for(std::chrono::milliseconds(5));
 	printf("曝光F R:%d G:%d B:%d \r\n",value[0],value[1],value[2]);
 }
-
-
-
 void HCamDevice::HtCamWriteADCReg_ALL(bool is_gain,bool is_adc1,uint8_t addr, uint8_t data)
 {
-
 	if (virBaseAddr == NULL)
 		return ;
 
@@ -971,8 +967,6 @@ void HCamDevice::HtCamWriteADCReg_ALL(bool is_gain,bool is_adc1,uint8_t addr, ui
 	}
 }
 
-
-
 void HCamDevice::HtCamWriteADCReg(uint8_t addr, uint8_t data)
 {
 	uint32_t *pCamCtrlReg = virBaseAddr;
@@ -1332,14 +1326,10 @@ int HCamDevice::HtCamGetColorMode()
 	return ((pCamCtrlReg[4] & (0x00000004)) >> 2);
 }
 
-
-
 void HCamDevice::init_ps_regs()
 {
 	
 }
-
-
 #include <iostream>
 #include <fstream>
 
@@ -1400,10 +1390,6 @@ void HCamDevice::HtCamResizeBuffer(int width, int height, int number)
 	camera_dbg("v4lWidth = %d, v4lHeight = %d, v4lBufferCount = %d\n", v4lWidth, v4lHeight, v4lBufferCount);
 }
 
-
-
-
-
 void HCamDevice::HtCamOverClockClear()
 {
 	uint32_t *pCamCtrlReg = virBaseAddr;
diff --git a/zynq_7010_code/MultiFrameCapture.cpp b/zynq_7010_code/MultiFrameCapture.cpp
index 4cf03bc..17c442f 100644
--- a/zynq_7010_code/MultiFrameCapture.cpp
+++ b/zynq_7010_code/MultiFrameCapture.cpp
@@ -158,6 +158,11 @@ void MultiFrameCapture::UpdateScanParam(HG_ScanConfiguration config)
     video->HtCamSetPeriod(config.params.dc);
 
     int height = config.params.dpi == 3 ? 900 :(config.params.dpi == 2?999:300);
+    if (config.params.dpi == 2 && !color_mode_)
+    {
+        height = 210;
+    }
+    
     compute_height(WIDTH , height);
 
     video->HtCamSetClolr(color_mode_);
@@ -687,7 +692,7 @@ bool MultiFrameCapture::saveLutImg(int dpi, int mode, bool black)
                     //      diff = 170 - *((double *)values + k);  //R曝光值拉低
                     // }
                     // else 
-                         diff = 200 - *((double *)values + k);
+                         diff = 200 - *((double *)values + k); //200灰度等级
 
                     log += "	明场:" + std::to_string(k) + ";diff：" + std::to_string(diff) + "\r\n";
 
diff --git a/zynq_7010_code/Scanner.cpp b/zynq_7010_code/Scanner.cpp
index 82605cc..1471395 100644
--- a/zynq_7010_code/Scanner.cpp
+++ b/zynq_7010_code/Scanner.cpp
@@ -330,11 +330,16 @@ void Scanner::runScan()
 			printf("200DPI 图像队列过多，正在等待图像取走:%d\r\n",image_num_);
 			this_thread::sleep_for(std::chrono::milliseconds(300));
 		}
-		while ( m_config.params.dpi == 0x02 && image_num_ >= 8)
+		while ( m_config.params.dpi == 0x02 && image_num_ >= 8 && m_config.params.isColor == 1)
 		{
 			printf("300DPI 图像队列过多，正在等待图像取走:%d\r\n",image_num_);
 			this_thread::sleep_for(std::chrono::milliseconds(300));
 		}
+		// while ( m_config.params.dpi == 0x02 && image_num_ >= 20 && m_config.params.isColor == 0)
+		// {
+		// 	printf("300DPI 图像队列过多，正在等待图像取走:%d\r\n",image_num_);
+		// 	this_thread::sleep_for(std::chrono::milliseconds(300));
+		// }
 		while ( m_config.params.dpi == 0x03 && image_num_ >= 2)
 		{
 			printf("600DPI 图像队列过多，正在等待图像取走:%d\r\n",image_num_);