rename temporary password to one-time password

Signed-off-by: 21pages <pages21@163.com>

flutter/lib/desktop/pages/desktop_home_page.dart

@@ -2,6 +2,7 @@ import 'dart:async';
 import 'dart:io';
 import 'dart:convert';
 
+import 'package:auto_size_text/auto_size_text.dart';
 import 'package:flutter/material.dart' hide MenuItem;
 import 'package:flutter/services.dart';
 import 'package:flutter_hbb/common.dart';
@@ -202,10 +203,11 @@ class _DesktopHomePageState extends State<DesktopHomePage>
               child: Column(
                 crossAxisAlignment: CrossAxisAlignment.start,
                 children: [
-                  Text(
-                    translate("Password"),
+                  AutoSizeText(
+                    translate("One-time Password"),
                     style: TextStyle(
                         fontSize: 14, color: textColor?.withOpacity(0.5)),
+                    maxLines: 1,
                   ),
                   Row(
                     children: [

flutter/lib/desktop/pages/desktop_setting_page.dart

@@ -586,7 +586,7 @@ class _SafetyState extends State<_Safety> with AutomaticKeepAliveClientMixin {
             kUseBothPasswords,
           ];
           List<String> passwordValues = [
-            translate('Use temporary password'),
+            translate('Use one-time password'),
             translate('Use permanent password'),
             translate('Use both passwords'),
           ];
@@ -665,7 +665,7 @@ class _SafetyState extends State<_Safety> with AutomaticKeepAliveClientMixin {
             Offstage(
               offstage: !usePassword,
               child: _SubLabeledWidget(
-                  'Temporary Password Length',
+                  'One-time password length',
                   Row(
                     children: [
                       ...lengthRadios,

flutter/lib/models/server_model.dart

@@ -35,7 +35,8 @@ class ServerModel with ChangeNotifier {
 
   late String _emptyIdShow;
   late final IDTextEditingController _serverId;
-  final _serverPasswd = TextEditingController(text: "");
+  final _serverPasswd =
+      TextEditingController(text: translate("Generating ..."));
 
   final tabController = DesktopTabController(tabType: DesktopTabType.cm);
 
@@ -170,7 +171,8 @@ class ServerModel with ChangeNotifier {
       update = true;
     }
     final oldPwdText = _serverPasswd.text;
-    if (_serverPasswd.text != temporaryPassword) {
+    if (_serverPasswd.text != temporaryPassword &&
+        temporaryPassword.isNotEmpty) {
       _serverPasswd.text = temporaryPassword;
     }
     if (verificationMethod == kUsePermanentPassword ||