Update index.md

docs/zh/05-get-started/index.md

@@ -25,7 +25,7 @@ import {useCurrentSidebarCategory} from '@docusaurus/theme-common';
 
 <table width="100%">
 <tr align="center">
-<td style={{padding:'1em 3em',border:0}}><img src={xiaot_new} alt="小 T 的二维码" width="200" /></td>
+<td style={{padding:'1em 3em',border:0}}><img src={xiaot_03} alt="小 T 的二维码" width="200" /></td>
 <td style={{padding:'1em 3em',border:0}}><img src={channel} alt="TDengine 微信视频号" width="200" /></td>
 <td style={{padding:'1em 3em',border:0}}><img src={official_account} alt="TDengine 微信公众号" width="200" /></td>
 </tr>