diff --git a/README.md b/README.md
index e767aa7..47150b9 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,8 @@
 Workout Test and Diet 4 You Common Util Functions
+
+Version 1.0.18
+debug by dotenv
+
 Version 1.0.17
 Webapi remove http.get utf8 decode
 
diff --git a/lib/util/logging.dart b/lib/util/logging.dart
index 3d4cd4d..2d139a0 100644
--- a/lib/util/logging.dart
+++ b/lib/util/logging.dart
@@ -1,17 +1,24 @@
+import 'dart:io';
+
 import 'package:flutter/foundation.dart';
+import 'package:flutter_dotenv/flutter_dotenv.dart';
+// ignore: depend_on_referenced_packages
 import 'package:intl/intl.dart';
 
 mixin Logging {
   void log(String message) {
-    if ( kDebugMode ) {
+    String debug = dotenv.get("debug", fallback: "0");
+    String? platformDebug = Platform.environment['debug'];
+    if (debug == "2") {
+      print("Debug-mode: $kDebugMode, dotenv: $debug, platform: $platformDebug");
+    }
+    if (kDebugMode || debug == "1" || platformDebug == "1") {
       DateTime time = DateTime.now();
       print(DateFormat('yyyy-MM-dd HH:mm:ss ').format(time) + message);
     }
   }
 
   void trace(String message) {
-    if ( kDebugMode ) {
-      log(message);
-    }
+    log(message);
   }
 }
diff --git a/pubspec.yaml b/pubspec.yaml
index 4b03b43..9abf021 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: workouttest_util
 description: Workout Test app and web functions.
-version: 1.0.17
+version: 1.0.18
 
 environment:
   sdk: ">=2.18.6 <3.0.0"
@@ -18,6 +18,7 @@ dependencies:
   firebase_messaging: ^14.2.1
   firebase_remote_config: ^3.0.9
   flutter_facebook_auth: ^5.0.7
+  flutter_dotenv: ^5.0.2
   google_sign_in: ^5.4.3
 
   http: ^0.13.5