Merge remote-tracking branch 'refs/remotes/origin/domestic' into domestic

Author: shanhexi

pages/docs/contact/contact.mdx

@@ -18,7 +18,7 @@ export function CustomHeading({ id, children }) {
 - YouTube: [Chat2DB频道](https://www.youtube.com/@chat2db.tutorial)
 - GitHub: [Chat2DB GitHub](https://github.com/codePhiliaX/chat2db)
 - 微信: 
-<img src="https://youke1.picui.cn/s1/2025/08/29/68b11f0508c0a.png" alt="企业微信二维码" style={{maxWidth: '300px', width: '100%', height: 'auto'}} />
+<img src="https://cdn.chat2db-ai.com/img/contact.png" alt="企业微信二维码" style={{maxWidth: '300px', width: '100%', height: 'auto'}} />
 
 <CustomHeading id="enterprise">企业版</CustomHeading>