diff --git a/Runtime/Code/IAP/GuruIAP.cs b/Runtime/Code/IAP/GuruIAP.cs
index 7e5ec52..b7f2d27 100644
--- a/Runtime/Code/IAP/GuruIAP.cs
+++ b/Runtime/Code/IAP/GuruIAP.cs
@@ -3,8 +3,6 @@ namespace Guru
     internal class GuruIAP: IAPServiceBase<GuruIAP>
     {
         
-        
-        
         /// <summary>
         /// 获取BLevel
         /// </summary>
diff --git a/Runtime/Code/SDK/GuruSDK.Analytics.cs b/Runtime/Code/SDK/GuruSDK.Analytics.cs
index db38204..00f62cb 100644
--- a/Runtime/Code/SDK/GuruSDK.Analytics.cs
+++ b/Runtime/Code/SDK/GuruSDK.Analytics.cs
@@ -27,13 +27,25 @@ namespace Guru
         /// <param name="eventName"></param>
         /// <param name="data"></param>
         public static void LogEvent(string eventName, Dictionary<string, dynamic> data = null)
-            => Analytics.Track(eventName, data);
+        {
+            if (!IsInitialSuccess)
+            {
+                Debug.LogError($"{Tag} Please call <GuruSDK.Init()> first, before you call <LogEvent>.");
+                return;
+            }
+            Analytics.Track(eventName, data);
+        }
+
+        public static void SetScreen(string screen, string extra = "")
+        {
+            if (!IsInitialSuccess)
+            {
+                Debug.LogError($"{Tag} Please call <GuruSDK.Init()> first, before you call <SetScreen>.");
+                return;
+            }
+            Analytics.SetCurrentScreen(screen, extra);
+        }
 
-        public static void SetScreen(string screen, string extra = "") 
-            => Analytics.SetCurrentScreen(screen, extra);
-        
-        
-        
         #endregion
         
         #region 游戏打点
@@ -53,7 +65,7 @@ namespace Guru
         {
             if (!IsInitialSuccess)
             {
-                Debug.LogError($"{Tag} Please call <GuruSDK.Init()> first, before you call the log event api.");
+                Debug.LogError($"{Tag} Please call <GuruSDK.Init()> first, before you call <LogLevelStart>.");
                 return;
             }
 
@@ -93,6 +105,13 @@ namespace Guru
             string levelCategory = "main", string levelName = "", string levelID = "",
             int? duration = null, int? step = null, int? score = null )
         {
+            if (!IsInitialSuccess)
+            {
+                Debug.LogError($"{Tag} Please call <GuruSDK.Init()> first, before you call <LogLevelEnd>.");
+                return;
+            }
+            
+            
             if (InitConfig.AutoRecordFinishedLevels)
             {
                 if(result == EventLevelEndSuccess) Model.SuccessLevelCount++; // 自动记录关卡完成次数
@@ -147,6 +166,11 @@ namespace Guru
         /// <param name="playerName"></param>
         public static void LogLevelUp(int playerLevel, string playerName)
         {
+            if (!IsInitialSuccess)
+            {
+                Debug.LogError($"{Tag} Please call <GuruSDK.Init()> first, before you call <LogLevelUp>.");
+                return;
+            }
             Analytics.LevelUp(playerLevel, playerName);
         }
 
@@ -156,6 +180,11 @@ namespace Guru
         /// <param name="achievementName"></param>
         public static void LogAchievement(string achievementName)
         {
+            if (!IsInitialSuccess)
+            {
+                Debug.LogError($"{Tag} Please call <GuruSDK.Init()> first, before you call <LogAchievement>.");
+                return;
+            }
             Analytics.UnlockAchievement(achievementName);
         }
         
@@ -169,7 +198,14 @@ namespace Guru
         /// <param name="key"></param>
         /// <param name="value"></param>
         public static void SetUserProperty(string key, string value)
-            => Analytics.SetUserProperty(key, value);
+        {
+            if (!IsInitialSuccess)
+            {
+                Debug.LogError($"{Tag} Please call <GuruSDK.Init()> first, before you call <SetUserProperty>.");
+                return;
+            }
+            Analytics.SetUserProperty(key, value);
+        }
 
         public static void SetUID(string uid)
         {
diff --git a/Runtime/Code/SDK/GuruSDK.cs b/Runtime/Code/SDK/GuruSDK.cs
index 59cb04d..c7a6d54 100644
--- a/Runtime/Code/SDK/GuruSDK.cs
+++ b/Runtime/Code/SDK/GuruSDK.cs
@@ -254,28 +254,28 @@ namespace Guru
         #region Logging
         
         
-        public static void LogI(object message)
+        internal static void LogI(object message)
         {
             Debug.Log($"{Tag} {message}");
         }
         
-        public static void LogW(object message)
+        internal static void LogW(object message)
         {
             Debug.LogWarning($"{Tag} {message}");
         }
         
-        public static void LogE(object message)
+        internal static void LogE(object message)
         {
             Debug.LogError($"{Tag} {message}");
         }
 
         
-        public static void LogException(string message)
+        internal static void LogException(string message)
         {
             LogException( new Exception($"{Tag} {message}"));
         }
         
-        public static void LogException(Exception e)
+        internal static void LogException(Exception e)
         {
             Debug.LogException(e);
         }