diff --git a/ECTrainer2/Marker.cpp b/ECTrainer2/Marker.cpp
index 3c401c1..11400d2 100644
--- a/ECTrainer2/Marker.cpp
+++ b/ECTrainer2/Marker.cpp
@@ -72,9 +72,11 @@
 	// �Ή��_�̗�
 	std::vector<cv::Point2f> cornerW, cornerC;
 	for (int i = 0; i < corners.size(); i++) {
-		for (int j = 0; j < corners[i].size(); j++) {
-			cornerC.push_back(corners[i][j]);
-			cornerW.push_back(_Corners[mids[i] - 1][j]);
+		if (mids[i] < corners.size()) {
+			for (int j = 0; j < corners[i].size(); j++) {
+				cornerC.push_back(corners[i][j]);
+				cornerW.push_back(_Corners[mids[i] - 1][j]);
+			}
 		}
 	}
 	if (cornerC.size() < 4) return false;
diff --git a/ECTrainer2/SceneCamera.cpp b/ECTrainer2/SceneCamera.cpp
index 95a5ab2..c18e33e 100644
--- a/ECTrainer2/SceneCamera.cpp
+++ b/ECTrainer2/SceneCamera.cpp
@@ -15,8 +15,8 @@
 
 // ������
 bool SceneCamera::Init() {
-	//_SceneCam.open("rtsp://" ADDR ":8554/live/scene");
-	_SceneCam.open(0);
+	_SceneCam.open("rtsp://" ADDR ":8554/live/scene");
+	//_SceneCam.open(0);
 	if (!_SceneCam.isOpened()) {
 		MessageBox(NULL, _T("cannot open camera " ADDR), NULL, 0);
 		return false;