diff --git a/.gitea/workflows/dev.yaml b/.gitea/workflows/dev.yaml
index 17f2fa6..b3c6fdf 100644
--- a/.gitea/workflows/dev.yaml
+++ b/.gitea/workflows/dev.yaml
@@ -42,6 +42,7 @@ jobs:
       permissions:
         contents: read
         deployments: write
+        pull-requests: write
       steps:
           - name: 🚚 Checkout
             uses: actions/checkout@v4
@@ -66,8 +67,26 @@ jobs:
             run: pnpm run docs:build
 
           - name: 🚀 Deploy to Cloudflare Pages
+            id: deploy
             uses: cloudflare/wrangler-action@v3
             with:
               apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
               accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
-              command: pages deploy ./src/.vuepress/dist --project-name=jingji-spbook
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+              command: pages deploy ./src/.vuepress/dist --project-name=jingji-spbook
+
+          - name: 💬 Comment on PR
+            if: github.event_name == 'pull_request'
+            uses: actions/github-script@v7
+            with:
+              script: |
+                const deployUrl = process.env.DEPLOY_URL;
+                const commentBody = `🚀 Documentation preview deployed to: [${deployUrl}](${deployUrl})`;
+                
+                github.rest.issues.createComment({
+                  owner: context.repo.owner,
+                  repo: context.repo.repo,
+                  issue_number: context.issue.number,
+                  body: commentBody
+                });
+            env:
+              DEPLOY_URL: ${{ steps.deploy.outputs.deployment-url }}
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