diff --git a/Assets/MyGame/aa/UI/Home/Sub/UIHome_BY_RankPanel.cs b/Assets/MyGame/aa/UI/Home/Sub/UIHome_BY_RankPanel.cs
index 0b8b2ccd5..e5af82ec5 100644
--- a/Assets/MyGame/aa/UI/Home/Sub/UIHome_BY_RankPanel.cs
+++ b/Assets/MyGame/aa/UI/Home/Sub/UIHome_BY_RankPanel.cs
@@ -38,12 +38,16 @@ public class UIHome_BY_RankPanel : SubUIBase
     {
         base.OnShow(args);
 
+        // 优先使用入口（UIHomeMain）预取的配置，避免重复请求
+        if (args is RankingRewardConfig cfg)
+            _rankingRewardConfig = cfg;
+
         // 加载排名奖励配置
         if (_rankingRewardConfig == null)
         {
-            APIRequestList.GetRankingRewardConfig(cfg =>
+            APIRequestList.GetRankingRewardConfig(config =>
             {
-                _rankingRewardConfig = cfg;
+                _rankingRewardConfig = config;
                 SwitchRankType(_currentRankType);
             });
         }
diff --git a/Assets/MyGame/aa/UI/Home/UIHomeMain.cs b/Assets/MyGame/aa/UI/Home/UIHomeMain.cs
index 04863d522..ca0e60eee 100644
--- a/Assets/MyGame/aa/UI/Home/UIHomeMain.cs
+++ b/Assets/MyGame/aa/UI/Home/UIHomeMain.cs
@@ -173,7 +173,16 @@ public class UIHomeMain : UIBase
         });
         btn_Rank.onClick.AddListener(() =>
         {
-            subUIManager.ShowAsync(UIPanel.RankPanel);
+            APIRequestList.GetRankingRewardConfig(cfg =>
+            {
+                if (cfg.isMaintaining)
+                {
+                    // 排行榜维护中：弹提示弹窗（点确认关闭），不打开界面
+                    UIManager.Instance.ShowTiShi(string.IsNullOrEmpty(cfg.maintainingMessage) ? "维护中..." : cfg.maintainingMessage);
+                    return;
+                }
+                subUIManager.ShowAsync(UIPanel.RankPanel, cfg);
+            });
         });
         btn_Email.onClick.AddListener(() =>
         {