修复用户名过长时，PR名称太长导致代码仓页面左右重叠

web_src/less/_repository.less

@@ -2685,7 +2685,7 @@ tbody.commit-list {
         width: 1127px;
     }
     th .message-wrapper {
-        max-width: 510px;
+        max-width: 400px;
     }
 }