diff --git a/.github/workflows/README.md b/.github/workflows/README.md
index cc751a7..02141c9 100644
--- a/.github/workflows/README.md
+++ b/.github/workflows/README.md
@@ -2,7 +2,7 @@
 
 本项目使用两步 workflow 实现跨仓库 PR 的评论功能。
 
-> 测试评论功能：验证 PR Check Comment workflow 是否正常工作。
+> 最终测试：验证从 artifact 提取 PR 号的评论功能。
 
 ## Workflows
 
diff --git a/.github/workflows/pr-check-comment.yml b/.github/workflows/pr-check-comment.yml
index d8d3c3b..04f07f6 100644
--- a/.github/workflows/pr-check-comment.yml
+++ b/.github/workflows/pr-check-comment.yml
@@ -50,7 +50,12 @@ jobs:
           mkdir -p states
           for zip in pr-check-state-*.zip; do
             if [ -f "$zip" ]; then
+              # Extract platform name from zip filename (e.g., pr-check-state-ubuntu-22.04.zip -> ubuntu-22.04)
+              platform="${zip#pr-check-state-}"
+              platform="${platform%.zip}"
+              # Unzip and rename to platform-specific filename
               unzip -o "$zip" -d states/
+              mv states/state.json "states/${platform}.json"
             fi
           done
           ls -la states/ || true