diff --git a/Runtime/Utility/Utility.PlayerPrefs.cs b/Runtime/Utility/Utility.PlayerPrefs.cs
index 5201136..56afa85 100644
--- a/Runtime/Utility/Utility.PlayerPrefs.cs
+++ b/Runtime/Utility/Utility.PlayerPrefs.cs
@@ -7,10 +7,24 @@ namespace AlicizaX
     {
         public static class PlayerPrefsX
         {
+            private static string _prefix = string.Empty;
+
             /// <summary>
             /// 当前用户前缀，用于隔离不同用户的配置项。
             /// </summary>
-            public static string CurrentUserPrefix { get; set; }
+            public static string CurrentUserPrefix
+            {
+                get
+                {
+                    if (string.IsNullOrEmpty(_prefix))
+                    {
+                        _prefix = Application.productName.ToString();
+                    }
+
+                    return _prefix;
+                }
+                set => _prefix = value;
+            }
 
             /// <summary>
             /// 组合完整键名，格式为"[前缀].[原始键名]"