diff --git a/appbase/build.properties b/appbase/build.properties
index ad1af13..f29a281 100644
--- a/appbase/build.properties
+++ b/appbase/build.properties
@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Sat Mar 29 08:43:44 HKT 2025
+#Sat Mar 29 03:16:41 GMT 2025
 stageCount=1
 libraryProject=libappbase
 baseVersion=15.2
 publishVersion=15.2.0
-buildCount=0
+buildCount=5
 baseBetaVersion=15.2.1
diff --git a/appbase/src/main/java/cc/winboll/studio/appbase/MainActivity.java b/appbase/src/main/java/cc/winboll/studio/appbase/MainActivity.java
index b25b6ac..c99a20d 100644
--- a/appbase/src/main/java/cc/winboll/studio/appbase/MainActivity.java
+++ b/appbase/src/main/java/cc/winboll/studio/appbase/MainActivity.java
@@ -86,6 +86,7 @@ public class MainActivity extends WinBollActivityBase implements IWinBollActivit
 	public void onSwitchDebugMode(View view) {
         boolean isDebuging = ((CheckBox)view).isChecked();
         GlobalApplication.setIsDebuging(isDebuging);
+        GlobalApplication.saveDebugStatus();
     }
    
     public void onPreviewGlobalCrashActivity(View view) {
diff --git a/libappbase/build.properties b/libappbase/build.properties
index cfd7c17..f29a281 100644
--- a/libappbase/build.properties
+++ b/libappbase/build.properties
@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Sat Mar 29 08:43:25 HKT 2025
+#Sat Mar 29 03:16:41 GMT 2025
 stageCount=1
 libraryProject=libappbase
 baseVersion=15.2
 publishVersion=15.2.0
-buildCount=0
+buildCount=5
 baseBetaVersion=15.2.1
diff --git a/libappbase/src/main/java/cc/winboll/studio/libappbase/GlobalApplication.java b/libappbase/src/main/java/cc/winboll/studio/libappbase/GlobalApplication.java
index 240c13f..9cff4a1 100644
--- a/libappbase/src/main/java/cc/winboll/studio/libappbase/GlobalApplication.java
+++ b/libappbase/src/main/java/cc/winboll/studio/libappbase/GlobalApplication.java
@@ -25,9 +25,12 @@ public class GlobalApplication extends Application {
     MyActivityLifecycleCallbacks mMyActivityLifecycleCallbacks;
 
     public static void setIsDebuging(boolean isDebuging) {
+        GlobalApplication.isDebuging = isDebuging;
+    }
+    
+    public static void saveDebugStatus() {
         if (_GlobalApplication != null) {
-            GlobalApplication.isDebuging = isDebuging;
-            APPBaseModel.saveBeanToFile(getAPPBaseModelFilePath(), new APPBaseModel(isDebuging));
+            APPBaseModel.saveBeanToFile(getAPPBaseModelFilePath(), new APPBaseModel(GlobalApplication.isDebuging));
         }
     }
 
@@ -69,6 +72,7 @@ public class GlobalApplication extends Application {
         APPBaseModel appBaseModel = APPBaseModel.loadBeanFromFile(getAPPBaseModelFilePath(), APPBaseModel.class);
         if (appBaseModel == null) {
             setIsDebuging(false);
+            saveDebugStatus();
         } else {
             setIsDebuging(appBaseModel.isDebuging());
         }
diff --git a/libappbase/src/main/java/cc/winboll/studio/libappbase/LogUtils.java b/libappbase/src/main/java/cc/winboll/studio/libappbase/LogUtils.java
index a49ea55..e3524d5 100644
--- a/libappbase/src/main/java/cc/winboll/studio/libappbase/LogUtils.java
+++ b/libappbase/src/main/java/cc/winboll/studio/libappbase/LogUtils.java
@@ -220,7 +220,17 @@ public class LogUtils {
     }
 
     static boolean isLoggable(String tag, LOG_LEVEL logLevel) {
-        return _IsInited && mapTAGList.get(tag) && isInTheLevel(logLevel);
+        if (!_IsInited) {
+            return false;
+        } 
+        if (mapTAGList.get(tag) == null
+            || !mapTAGList.get(tag)) {
+            return false;
+        } 
+        if (!isInTheLevel(logLevel)) {
+            return false;
+        }
+        return true;
     }
 
     static boolean isInTheLevel(LOG_LEVEL logLevel) {