diff --git a/src/main/java/com/acts/opencv/base/BaseMethodController.java b/src/main/java/com/acts/opencv/base/BaseMethodController.java
index 86f2234..eb4d56f 100644
--- a/src/main/java/com/acts/opencv/base/BaseMethodController.java
+++ b/src/main/java/com/acts/opencv/base/BaseMethodController.java
@@ -338,7 +338,7 @@ public class BaseMethodController extends BaseController {
 		Imgproc.medianBlur(source, destination, 2 * ksize + 1);
 		// 通过合并图层的方式进行效果增强 alpha控制src1的透明度，beta控制src2 的透明图；gamma越大合并的影像越明亮
 		// public static void addWeighted(Mat src1, double alpha, Mat src2, double beta, double gamma, Mat dst)
-		Core.addWeighted(source, alpha, destination, beta, 0, destination);
+		Core.addWeighted(source, alpha, destination, beta, gamma, destination);
 
 		try {
 			byte[] imgebyte = OpenCVUtil.covertMat2Byte1(destination);
diff --git a/src/main/java/com/acts/opencv/base/Card2Controller.java b/src/main/java/com/acts/opencv/base/Card2Controller.java
index 4d8d6a0..7c61ebc 100644
--- a/src/main/java/com/acts/opencv/base/Card2Controller.java
+++ b/src/main/java/com/acts/opencv/base/Card2Controller.java
@@ -566,13 +566,16 @@ public class Card2Controller extends BaseController {
     	int studentNo = 0;
     	for (int i = 0; i < resultList.size(); i++) {
     		String result = resultList.get(i);
-			if ("A".equals(result)) {
+    		if (result.contains("A")) {
 				studentNo += 1000 * i;
-			} else if ("B".equals(result)) {
+			} 
+			if (result.contains("B")) {
 				studentNo += 100 * i;
-			} else if ("C".equals(result)) {
+			} 
+			if (result.contains("C")) {
 				studentNo += 10 * i;
-			} else if ("D".equals(result)) {
+			}
+			if (result.contains("D")) {
 				studentNo += i;
 			}
 		}