update sponsor pic url

Author: Snailclimb

README.md

@@ -38,7 +38,7 @@
           <img src="./media/sponsor/wangyi.png" style="margin: 0 auto;width:450px" /></a>
       </td>
       <td align="center" valign="middle">
-        <a href="https://t.1yb.co/%3Cspan%20class="x x-first x-last">3tWM">
+        <a href="https://t.1yb.co/%3Cspan%20class="x x-first x-last">5p8J">
           <img src="./media/sponsor/xiangxue.png" style="margin: 0 auto;width:450px" /></a>
       </td>          
     </tr>