diff --git a/Runtime/GuruCore/Runtime/IPM/Scripts/DeviceUtil.cs b/Runtime/GuruCore/Runtime/IPM/Scripts/DeviceUtil.cs
index cf29501..96d4b8f 100644
--- a/Runtime/GuruCore/Runtime/IPM/Scripts/DeviceUtil.cs
+++ b/Runtime/GuruCore/Runtime/IPM/Scripts/DeviceUtil.cs
@@ -88,7 +88,6 @@ namespace Guru
                 if(!string.IsNullOrEmpty(content))
                 {
                     string[] infos = content.Split('$');
-                    IPMConfig.IPM_DEVICE_ID = SystemInfo.deviceUniqueIdentifier;
                     IPMConfig.IPM_BRAND = infos[0];
                     IPMConfig.IPM_LANGUAGE = infos[1];
                     IPMConfig.IPM_MODEL = infos[2];
diff --git a/Runtime/GuruCore/Runtime/IPM/Scripts/IPMConfig.cs b/Runtime/GuruCore/Runtime/IPM/Scripts/IPMConfig.cs
index ca47d8d..0eab7c4 100644
--- a/Runtime/GuruCore/Runtime/IPM/Scripts/IPMConfig.cs
+++ b/Runtime/GuruCore/Runtime/IPM/Scripts/IPMConfig.cs
@@ -28,7 +28,6 @@ namespace Guru
 		public static readonly string POST_Param_TokenSecret = "tokenSecret";
 		
 		public static string IPM_APP_PACKAGE_NAME = Application.identifier;
-		public static string IPM_DEVICE_ID = SystemInfo.deviceUniqueIdentifier;
 		public static string IPM_APP_VERSION = Application.version;
 		public static string IPM_IOS_APP_GROUP = "group." + Application.identifier;
 		public static string IPM_BRAND = "";
@@ -39,6 +38,29 @@ namespace Guru
 		public static string IPM_COUNTRY_CODE = RegionInfo.CurrentRegion.TwoLetterISORegionName;
 		public static bool IPM_NEWUSER = true;
 		
+		/// <summary>
+		/// 中台设备 ID
+		/// </summary>
+		public static string IPM_DEVICE_ID
+		{
+			get
+			{
+				if (string.IsNullOrEmpty(SavedDeviceId))
+				{
+					SavedDeviceId = SystemInfo.deviceUniqueIdentifier; // 目前使用 UNITY 接口来生成对应的 DeviceID
+				}
+				return SavedDeviceId; // 优先使用缓存的 DeviceID
+			}
+		}
+		/// <summary>
+		/// 缓存设备 ID
+		/// </summary>
+		private static string SavedDeviceId
+		{
+			get => PlayerPrefs.GetString(nameof(SavedDeviceId), "");  
+			set => PlayerPrefs.SetString(nameof(SavedDeviceId), value);
+		}
+		
 #if DEBUG
 		public static readonly string IPM_URL = "https://dev.saas.castbox.fm/";
 #else