diff --git a/src/main/java/com/hy/java/uct/umlrecog/cddetector/ClassRelationDetector.java b/src/main/java/com/hy/java/uct/umlrecog/cddetector/ClassRelationDetector.java
index 80cb8461622f174d2555337789805d3326bc68ea..02df9b677bbdc5c72fc1cd09b59cfff5cd4b50af 100644
--- a/src/main/java/com/hy/java/uct/umlrecog/cddetector/ClassRelationDetector.java
+++ b/src/main/java/com/hy/java/uct/umlrecog/cddetector/ClassRelationDetector.java
@@ -442,32 +442,37 @@ public class ClassRelationDetector {
 						solid_rela.source_pt_index = 1;
 					}
 					if (belong_to_this_solid_rela) {
-						String type = "继承";
+						String type = "聚合";
 						// 裁剪原图中矩形区域
-						Mat origin_rela_type_area = ImgProcessor.cutImage(origin_cls_diagram, rect);
-						Imgproc.erode(origin_rela_type_area, origin_rela_type_area, Imgproc.getStructuringElement(Imgproc.MORPH_RECT, new Size(2, 2)), new Point(-1, -1), 2);
-						Imgproc.dilate(origin_rela_type_area, origin_rela_type_area, Imgproc.getStructuringElement(Imgproc.MORPH_RECT, new Size(1, 1)), new Point(-1, -1), 2);
+						Mat cutted_origin_rela_type_area = ImgProcessor.cutImage(origin_cls_diagram, rect);
+						Imgproc.erode(cutted_origin_rela_type_area, cutted_origin_rela_type_area, Imgproc.getStructuringElement(Imgproc.MORPH_RECT, new Size(2, 2)), new Point(-1, -1), 2);
+						Imgproc.dilate(cutted_origin_rela_type_area, cutted_origin_rela_type_area, Imgproc.getStructuringElement(Imgproc.MORPH_RECT, new Size(1, 1)), new Point(-1, -1), 2);
 						// 重新识别符号
 						List<MatOfPoint> origin_contours = new ArrayList<>();
-						Imgproc.findContours(origin_rela_type_area, origin_contours, new Mat(), Imgproc.RETR_LIST, Imgproc.CHAIN_APPROX_SIMPLE);
+						Imgproc.findContours(cutted_origin_rela_type_area, origin_contours, new Mat(), Imgproc.RETR_LIST, Imgproc.CHAIN_APPROX_SIMPLE);
 						// 针对识别出来的区域做筛选
 						for (MatOfPoint origin_contour : origin_contours) {
-							/*
-							 * 识别一下吧，估计不咋滴。下面的代码可以都删掉
-							 */
 							MatOfPoint2f origin_curve = new MatOfPoint2f(origin_contour.toArray());
 							MatOfPoint2f origin_approx_curve = new MatOfPoint2f();
-							Imgproc.approxPolyDP(origin_curve, origin_approx_curve, 0.01 * Imgproc.arcLength(origin_curve, false), true);
+							Imgproc.approxPolyDP(origin_curve, origin_approx_curve, 0.05 * Imgproc.arcLength(origin_curve, false), true);
+							Imgproc.approxPolyDP(origin_approx_curve, origin_approx_curve, 0.01 * Imgproc.arcLength(origin_approx_curve, true), true);
+							if (origin_approx_curve.toArray().length == 3) {
+								// 获取包络矩形
+								Rect if_extend_rect = Imgproc.boundingRect(new MatOfPoint(origin_approx_curve.toArray()));
+								Imgproc.rectangle(cutted_origin_rela_type_area, if_extend_rect, new Scalar(5, 5, 5), 1);
+								Imgcodecs.imwrite(temp_res_path, cutted_origin_rela_type_area);
+								
+								type = "继承";
+							}
 
-							List<MatOfPoint> temp_list = new ArrayList<>();
-							MatOfPoint matOfPoint = new MatOfPoint();
-							origin_approx_curve.convertTo(matOfPoint, CvType.CV_32S);
-							temp_list.add(matOfPoint);
-							Imgproc.polylines(origin_rela_type_area, temp_list, true, new Scalar(5, 5, 5), 5);
-							Imgcodecs.imwrite(temp_res_path, origin_rela_type_area);
-
-							System.out.println(origin_approx_curve.dump());
-							System.out.println(origin_approx_curve.toArray().length);
+							/*
+							 * 识别一下吧，估计不咋滴。下面的代码可以都删掉
+							 */
+							/*
+							 * List<MatOfPoint> temp_list = new ArrayList<>(); MatOfPoint matOfPoint = new MatOfPoint(); origin_approx_curve.convertTo(matOfPoint, CvType.CV_32S);
+							 * temp_list.add(matOfPoint); Imgproc.polylines(cutted_origin_rela_type_area, temp_list, true, new Scalar(5, 5, 5), 5);
+							 * Imgcodecs.imwrite(temp_res_path, cutted_origin_rela_type_area); System.out.println("把" + type + "画完了"); System.out.println("把上面的字打印完了");
+							 */
 							/*
 							 * 识别完毕，差不多得了。上面的代码可以都删掉
 							 */
diff --git a/src/main/java/com/hy/java/uct/umlrecog/util/Relation.java b/src/main/java/com/hy/java/uct/umlrecog/util/Relation.java
index 9d2edd8900a0a12500e550c39aa9727d068357ed..c4a983fe1a4e30711d2992a685d5ff36506776e9 100644
--- a/src/main/java/com/hy/java/uct/umlrecog/util/Relation.java
+++ b/src/main/java/com/hy/java/uct/umlrecog/util/Relation.java
@@ -8,7 +8,7 @@ public class Relation {
 	 * 标识poly_line中的哪个端点对应source类。若为-1，则说明还未确定哪个端点对应source类
 	 */
 	public int source_pt_index = -1;
-	// 依赖→实现。组合→聚合，聚合→继承
+	// 依赖→实现。组合→聚合
 	public String type = null;
 
 	public Relation(PolygonalLine poly_line) {