diff --git a/Api/Utility/ConcurrentQueue.cs b/Api/Utility/ConcurrentFIFOQueue.cs
similarity index 87%
rename from Api/Utility/ConcurrentQueue.cs
rename to Api/Utility/ConcurrentFIFOQueue.cs
index 003222e..1afd7e1 100644
--- a/Api/Utility/ConcurrentQueue.cs
+++ b/Api/Utility/ConcurrentFIFOQueue.cs
@@ -2,7 +2,7 @@
 
 namespace Milimoe.FunGame.Core.Api.Utility
 {
-    public class ConcurrentQueue<T> : IEnumerable<T>
+    public class ConcurrentFIFOQueue<T> : IEnumerable<T>
     {
         private System.Collections.Concurrent.ConcurrentQueue<T> Instance { get; } = [];
 
@@ -17,7 +17,7 @@ namespace Milimoe.FunGame.Core.Api.Utility
             Instance.Enqueue(obj);
         }
 
-        public bool GetFirst(out T? obj)
+        public bool Dequeue(out T? obj)
         {
             return Instance.TryDequeue(out obj);
         }
diff --git a/Api/Utility/LINQExtension.cs b/Api/Utility/LINQExtension.cs
index 1185ef8..299850b 100644
--- a/Api/Utility/LINQExtension.cs
+++ b/Api/Utility/LINQExtension.cs
@@ -2,16 +2,32 @@
 {
     public static class LINQExtension
     {
-        public static IEnumerable<T> GetPage<T>(this IEnumerable<T> list, int showPage, int pageSize)
+        /// <summary>
+        /// 分页查询：返回指定页码的数据
+        /// </summary>
+        /// <typeparam name="T">集合元素的类型</typeparam>
+        /// <param name="source">要分页的源集合</param>
+        /// <param name="page">页码</param>
+        /// <param name="pageSize">每页显示的元素数量</param>
+        /// <returns>当前页的数据</returns>
+        public static IEnumerable<T> GetPage<T>(this IEnumerable<T> source, int page, int pageSize)
         {
-            return [.. list.Skip((showPage - 1) * pageSize).Take(pageSize)];
+            return source.Skip((page - 1) * pageSize).Take(pageSize);
         }
 
-        public static int MaxPage<T>(this IEnumerable<T> list, int pageSize)
+        /// <summary>
+        /// 计算总页数
+        /// </summary>
+        /// <typeparam name="T">集合元素的类型</typeparam>
+        /// <param name="source">源集合</param>
+        /// <param name="pageSize">每页显示的元素数量（必须大于 0）</param>
+        /// <returns>总页数（至少为 1）</returns>
+        public static int MaxPage<T>(this IEnumerable<T> source, int pageSize)
         {
             if (pageSize <= 0) pageSize = 1;
-            int page = (int)Math.Ceiling((double)list.Count() / pageSize);
-            return page > 0 ? page : 1;
+            int count = source.Count();
+            if (count == 0) return 1;
+            return (int)Math.Ceiling((double)count / pageSize);
         }
     }
 }