diff --git a/HisenceYoloDetection/CheckDiffSciHelper.cs b/HisenceYoloDetection/CheckDiffSciHelper.cs
index 60bfa50..7c5bd92 100644
--- a/HisenceYoloDetection/CheckDiffSciHelper.cs
+++ b/HisenceYoloDetection/CheckDiffSciHelper.cs
@@ -106,9 +106,9 @@ namespace HisenceYoloDetection
             Cv2.ImWrite(savePath3, thr2);
 
             // 创建卷积核
-            Mat filter1 = new Mat(5, 5, MatType.CV_32F, new Scalar(0));
-            filter1.Row(2).SetTo(new Scalar(0.025));
-            filter1.Col(2).SetTo(new Scalar(0.025));
+            Mat filter1 = new Mat(15, 15, MatType.CV_32F, new Scalar(0));
+            filter1.Row(7).SetTo(new Scalar(0.025));
+            filter1.Col(7).SetTo(new Scalar(0.025));
 
             // 应用卷积
             Mat final_result1 = new Mat();