diff --git a/zynq_7010_code/HCamDevice.cpp b/zynq_7010_code/HCamDevice.cpp
index 976b58c..ae79335 100644
--- a/zynq_7010_code/HCamDevice.cpp
+++ b/zynq_7010_code/HCamDevice.cpp
@@ -113,8 +113,8 @@ HCamDevice::HCamDevice()
 
 	HtCamSetdivder(true);
 
-	unsigned int prriod[2] = {0x183C,0x183C/2};
-	HtCamSetPeriod(prriod);
+
+	HtCamSetPeriod(0.2);
 	HtCamWriteFpgaRegs(17,  0x04ce99ff); //扫描传感器阈值
 
 
@@ -302,8 +302,12 @@ void HCamDevice::HtCamSetdivder(bool is_enble)
 	rgb.NShort[1] = 0x0001;
 	HtCamWriteFpgaRegs(0x08,rgb.value);
 }
-void HCamDevice::HtCamSetPeriod(uint32_t *reg_value)
+void HCamDevice::HtCamSetPeriod(double reg_value)
 {
+	reg_value /= 10;
+	printf("reg_value:%f\r\n",reg_value);
+	double pr = reg_value == 0 ? 0x183C/2 :reg_value * 0x183C / 1;
+	
 	if (virBaseAddr == NULL)
 	{
 		return ;
@@ -312,8 +316,10 @@ void HCamDevice::HtCamSetPeriod(uint32_t *reg_value)
 
 	CamZ_Reg_2Short rgb;
 	rgb.value = HtCamReadFpgaRegs(0x09);
-	rgb.NShort[0] = reg_value[0]; //周期参数是占空比两倍
-	rgb.NShort[1] = reg_value[1]; //占空比
+	rgb.NShort[0] = 0x183C; //周期参数默认0x183C  不可修改
+	rgb.NShort[1] = pr; //占空比 = 百分比 / 0x183C *1 
+
+	printf("占空比：%d\r\n",rgb.NShort[1]);
 	HtCamWriteFpgaRegs(0x09,rgb.value);
 }
 int HCamDevice::HtCamEventWorkThread(void)
diff --git a/zynq_7010_code/HCamDevice.h b/zynq_7010_code/HCamDevice.h
index 55a4e3a..de764b1 100644
--- a/zynq_7010_code/HCamDevice.h
+++ b/zynq_7010_code/HCamDevice.h
@@ -51,7 +51,7 @@ public:
     void HtCamSetdivder (bool ); //设置扫描仪传感器使能
     void HtCamGetPeriod(uint8_t &reg_value);//获取扫描仪传感器占空比   
 
-    void HtCamSetPeriod(uint32_t *reg_value); //设置扫描仪传感器占空比
+    void HtCamSetPeriod(double reg_value); //设置扫描仪传感器占空比
 
     void HtCamGetFrameCnt(uint32_t &val);//获取设置采集的帧数  需要采集的帧数，设置为0x05表示采集六帧后停止
     void HtCamSetFrameCnt(uint32_t val);//需要采集的帧数，设置为0x05表示采集六帧后停止
diff --git a/zynq_7010_code/MultiFrameCapture.cpp b/zynq_7010_code/MultiFrameCapture.cpp
index a1d8c83..db59668 100644
--- a/zynq_7010_code/MultiFrameCapture.cpp
+++ b/zynq_7010_code/MultiFrameCapture.cpp
@@ -189,7 +189,8 @@ void MultiFrameCapture::UpdateScanParam(HG_ScanConfiguration config)
     is_double_paper_ = config.params.doubleFeeded;
 
     //width_ = paper_size_ == PaperSize::G400_MAXSIZE || paper_size_ ==PaperSize::G400_MAXAUTO && 
-
+    printf("config.params.dc；%d\r\n",config.params.dc);
+    video->HtCamSetPeriod(config.params.dc);
 
     //int height = resolution_ == DPI_600 ? 342 : 900;
     int height = config.params.dpi == 3 ? 900 :(config.params.dpi == 2?999:300);
diff --git a/zynq_7010_code/scanservices_utils.h b/zynq_7010_code/scanservices_utils.h
index 02104ad..e518b91 100644
--- a/zynq_7010_code/scanservices_utils.h
+++ b/zynq_7010_code/scanservices_utils.h
@@ -175,7 +175,7 @@ struct
 		unsigned int slow_moire : 1;
 		unsigned int reversed1 : 3;
 		unsigned int isCorrect : 1;
-		unsigned int dstHeight : 8;
+		unsigned int dc : 8;
 		unsigned int reversed2 : 6;
 	} params;
 	unsigned int value;