diff --git a/README.md b/README.md
index dd258af..ee296e7 100644
--- a/README.md
+++ b/README.md
@@ -3,12 +3,28 @@ 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)
+* Zhenzhong Tang
+  * [LinkedIn](https://www.linkedin.com/in/zhenzhong-anthony-tang-82334a210), [Instagram](https://instagram.com/zhenzhong_anthony_tang/), [personal website](https://toytag.net/), etc.
+* Tested on: Windows 11 Pro 22H2, AMD EPYC 7V12 64-Core Processor (4 vCPU cores) @ 2.44GHz 28GiB, Tesla T4 16GiB (Azure)
 
-### (TODO: Your README)
+<!-- ### (TODO: Your README)
 
 Include screenshots, analysis, etc. (Remember, this is public, so don't put
-anything here that you don't want to share with the world.)
+anything here that you don't want to share with the world.) -->
 
+## Part 3.1: CUDA
+
+### Part 3.1.1: Modify the CUDA Project and Take a Screenshot
+![](images/Screenshot%202023-08-24%20075555.png)
+
+### Part 3.1.2: Analyze
+![](images/Screenshot%202023-08-24%20122737.png)
+
+### Part 3.1.3: Nsight Debugging
+![](images/Screenshot%202023-08-24%20125430.png)
+
+## Part 3.2: WebGL
+![](images/InkedScreenshot%202023-08-24%20125749_LI.jpg)
+
+## Part 3.3: DXR
+![](images/Screenshot%202023-08-24%20131359.png)
diff --git a/cuda-getting-started/src/main.cpp b/cuda-getting-started/src/main.cpp
index 886fd4c..f3062ba 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 = "Zhenzhong Tang";
 
     if (init(argc, argv)) {
         mainLoop();
diff --git a/dxr-support/src/D3D12RaytracingHelloWorld/Raytracing.hlsl b/dxr-support/src/D3D12RaytracingHelloWorld/Raytracing.hlsl
index d817ca4..99f3ad9 100644
--- a/dxr-support/src/D3D12RaytracingHelloWorld/Raytracing.hlsl
+++ b/dxr-support/src/D3D12RaytracingHelloWorld/Raytracing.hlsl
@@ -69,7 +69,8 @@ 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(1 - attr.barycentrics.x - attr.barycentrics.y, attr.barycentrics.x, attr.barycentrics.y);
+    float3 barycentrics = float3(0.2, 0.8, 0.5);
     payload.color = float4(barycentrics, 1);
 }
 
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