diff --git a/src/CloudGaming/Api/CloudGaming.Api/Controllers/HomeController.cs b/src/CloudGaming/Api/CloudGaming.Api/Controllers/HomeController.cs
index 1f6ce5c..d158d86 100644
--- a/src/CloudGaming/Api/CloudGaming.Api/Controllers/HomeController.cs
+++ b/src/CloudGaming/Api/CloudGaming.Api/Controllers/HomeController.cs
@@ -8,6 +8,9 @@ using Microsoft.AspNetCore.Mvc;
 
 namespace CloudGaming.Api.Controllers;
 
+/// <summary>
+/// 首页
+/// </summary>
 public class HomeController : CloudGamingControllerBase
 {
     public HomeController(IServiceProvider _serviceProvider) : base(_serviceProvider)
diff --git a/src/CloudGaming/Code/CloudGaming.Code/Cache/Special/GameEntityCache.cs b/src/CloudGaming/Code/CloudGaming.Code/Cache/Special/GameEntityCache.cs
index cac4c5e..8f49d1a 100644
--- a/src/CloudGaming/Code/CloudGaming.Code/Cache/Special/GameEntityCache.cs
+++ b/src/CloudGaming/Code/CloudGaming.Code/Cache/Special/GameEntityCache.cs
@@ -176,7 +176,11 @@ namespace CloudGaming.Code.Cache.Special
                 {
                     return null;
                 }
-                return GameInfoDic[gameId] ?? null;
+                if (GameInfoDic.TryGetValue(gameId, out var gameInfo))
+                {
+                    return gameInfo;
+                }
+                return null;
             }
         }