refactor: 使用 getFirst 优化首元素访问

ruoyi-auth/src/main/java/org/dromara/auth/service/SysLoginService.java

@@ -93,7 +93,7 @@ public class SysLoginService {
             remoteSocialService.insertByBo(bo);
         } else {
             // 更新用户信息
-            bo.setId(list.get(0).getId());
+            bo.setId(list.getFirst().getId());
             remoteSocialService.updateByBo(bo);
             // 如果要绑定的平台账号已经被绑定过了 是否抛异常自行决断
             // throw new ServiceException("此平台账号已经被绑定!");

ruoyi-auth/src/main/java/org/dromara/auth/service/impl/SocialAuthStrategy.java

@@ -65,7 +65,7 @@ public class SocialAuthStrategy implements IAuthStrategy {
         if (CollUtil.isEmpty(list)) {
             throw new ServiceException("你还没有绑定第三方账号，绑定后才可以登录！");
         }
-        RemoteSocialVo socialVo = list.get(0);
+        RemoteSocialVo socialVo = list.getFirst();
 
         LoginUser loginUser = remoteUserService.getUserInfo(socialVo.getUserId());
         loginUser.setClientKey(client.getClientKey());