diff --git a/.vs/3dMath/v15/.suo b/.vs/3dMath/v15/.suo
index 07efb70..cceb55c 100644
Binary files a/.vs/3dMath/v15/.suo and b/.vs/3dMath/v15/.suo differ
diff --git a/main.cpp b/main.cpp
index 30436e0..c08221c 100644
--- a/main.cpp
+++ b/main.cpp
@@ -9,9 +9,25 @@ int main() {
 	GVector3 v2(-1, 1, -1);
 	GVector3 v3(0, -2, -2);
 
+	//斯密特正交化
 	GVector3 w1 = v1;
 	GVector3 w2 = v2 - proj(v2, w1);  //cout << w2 << endl;
 	GVector3 w3 = v3 - proj(v3, w1) - proj(v3, w2); //cout << w3 << endl;
 
+	//normalize
+	w1 = w1 / norm(w1);
+	w2 = w2 / norm(w2);
+	w3 = w3 / norm(w3);
+
+	GMatrix M1(3, 3);
+	M1.SetRowVec(0, w1);
+	M1.SetRowVec(1, w2);
+	M1.SetRowVec(2, w3);
+	cout << M1 << endl;
+
+	GMatrix M2 = Transpose(M1);
+	cout << M2 << endl;
+
+	cout << M1 * M2 << endl;
   	return 0;
 }
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