fix: client log is not recorded (#141)

ui/flutter/lib/app/modules/setting/views/setting_view.dart

@@ -35,7 +35,7 @@ class SettingView extends GetView<SettingController> {
     debounceSave({bool needRestart = false}) {
       var completer = Completer<void>();
       timer?.cancel();
-      timer = Timer(const Duration(milliseconds: 500), () {
+      timer = Timer(const Duration(milliseconds: 1000), () {
         appController
             .saveConfig()
             .then(completer.complete)

ui/flutter/lib/util/log_util.dart

@@ -1,19 +1,23 @@
 import 'dart:io';
-
 import 'package:flutter/foundation.dart';
 import 'package:logger/logger.dart';
-
 import 'util.dart';
 
 final logger = Logger(
-  printer: PrettyPrinter(),
+  filter: ProductionFilter(),
+  printer: LogfmtPrinter(),
   output: buildOutput(),
 );
 
 buildOutput() {
-  // if is debug mode, output to console
+  // if is debug mode, don't log to file
   if (!kDebugMode && Util.isDesktop()) {
-    return FileOutput(file: File('log.txt'));
+    const logDirPath = 'logs';
+    var logDir = Directory(logDirPath);
+    if (!logDir.existsSync()) {
+      logDir.createSync();
+    }
+    return FileOutput(file: File('$logDirPath/client.log'));
   }
   return null;
 }

ui/flutter/lib/util/message.dart

@@ -12,7 +12,7 @@ void showErrorMessage(msg) {
     Get.snackbar(title, ((msg as dynamic).message as Result).msg!);
     return;
   }
-  Get.snackbar(title, msg);
+  Get.snackbar(title, msg.toString());
 }
 
 void showMessage(title, msg) {