diff --git a/README.md b/README.md
index dd258af..d9bd092 100644
--- a/README.md
+++ b/README.md
@@ -3,12 +3,23 @@ Project 0 Getting Started
 
 **University of Pennsylvania, CIS 565: GPU Programming and Architecture, Project 0**
 
-* (TODO) YOUR NAME HERE
-  * (TODO) [LinkedIn](), [personal website](), [twitter](), etc.
-* Tested on: (TODO) Windows 22, i7-2222 @ 2.22GHz 22GB, GTX 222 222MB (Moore 2222 Lab)
+* Hanting Xu
+  * [GitHub](https://github.com/HantingXu), [LinkedIn](www.linkedin.com/in/hanting-xu-25615b28b).
+* Tested on: (Personal Computer) Windows 11, i7-12700H @ 2.70GHz 32GB, GeForce RTX 3070 Ti Laptop GPU
 
-### (TODO: Your README)
+### Screenshots
+* Part. 3.1.1
+![3.1.1](images/3.1.1.png)
+* Part. 3.1.2
+![3.1.2](images/3.1.2.png)
+* Part. 3.1.3
+![3.1.3](images/3.1.3.png)
+Using the number 1440
+* Part. 3.2
+![3.2](images/3.2.png)
+WebGL and WebGPU can work
+* Part. 3.3
+![3.3](images/3.3.png)
+Using color (0.6f, 0.2f, 0.9f)
 
-Include screenshots, analysis, etc. (Remember, this is public, so don't put
-anything here that you don't want to share with the world.)
 
diff --git a/cuda-getting-started/src/main.cpp b/cuda-getting-started/src/main.cpp
index 886fd4c..fffb80a 100644
--- a/cuda-getting-started/src/main.cpp
+++ b/cuda-getting-started/src/main.cpp
@@ -11,7 +11,7 @@
  */
 int main(int argc, char* argv[]) {
     // TODO: Change this line to use your name!
-    m_yourName = "TODO: YOUR NAME HERE";
+    m_yourName = "Hanting Xu";
 
     if (init(argc, argv)) {
         mainLoop();
diff --git a/dxr-support/src/D3D12RaytracingHelloWorld/Raytracing.hlsl b/dxr-support/src/D3D12RaytracingHelloWorld/Raytracing.hlsl
index d817ca4..e2a635b 100644
--- a/dxr-support/src/D3D12RaytracingHelloWorld/Raytracing.hlsl
+++ b/dxr-support/src/D3D12RaytracingHelloWorld/Raytracing.hlsl
@@ -69,7 +69,7 @@ void MyRaygenShader()
 [shader("closesthit")]
 void MyClosestHitShader(inout RayPayload payload, in MyAttributes attr)
 {
-    float3 barycentrics = float3(1 - attr.barycentrics.x - attr.barycentrics.y, attr.barycentrics.x, attr.barycentrics.y);
+    float3 barycentrics = float3(0.6f, 0.2f, 0.9f);
     payload.color = float4(barycentrics, 1);
 }
 
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