diff --git a/lib/data/providers/agent_provider.dart b/lib/data/providers/agent_provider.dart
index 7b48ef5d4..827a07793 100644
--- a/lib/data/providers/agent_provider.dart
+++ b/lib/data/providers/agent_provider.dart
@@ -1,18 +1,18 @@
 import '../models/agent.dart';
-import 'package:get/get.dart';
 
 class AgentProvider {
   static final List<Agent> predefinedAgents = [
-    Agent(// 个人助理 Emma
+    const Agent(
+        // 个人助理 Emma
         id: 'personal_assistant',
         name: 'personalAssistantName',
         avatarUrl: 'assets/images/agents/assistant.png',
-        description:
-            'personalAssistantDescription',
+        description: 'personalAssistantDescription',
         tag: 'assistantTag', // '助理'
         isOnline: true,
         voice: "zh-CN-XiaoxiaoNeural",
-        welcomeMessage: 'personalAssistantWelcome',// "你好!我是 Emma,很高兴成为你的私人助理。我可以帮你处理各种任务,比如时间管理、目标规划、信息整理等。有什么我可以帮你的吗?",
+        welcomeMessage:
+            'personalAssistantWelcome', // "你好!我是 Emma,很高兴成为你的私人助理。我可以帮你处理各种任务,比如时间管理、目标规划、信息整理等。有什么我可以帮你的吗?",
         voiceWelcomeMessage: "personalAssistantVoiceWelcome", // "我在呢!"
         systemPrompt: '''
 你是一位名叫 Emma 的全能型个人助理,擅长处理各类工作和生活事务。
@@ -57,7 +57,7 @@ class AgentProvider {
 
 请始终以专业、高效、周到的态度,协助用户更好地管理工作和生活, 不要输出表情符号或非可读的符号。
 '''),
-    Agent(
+    const Agent(
         id: 'simultaneous_interpreter',
         name: 'interpreterName',
         avatarUrl: 'assets/images/agents/interpreter.png',
@@ -65,10 +65,9 @@ class AgentProvider {
         tag: 'interpreterTag',
         isOnline: true,
         voice: 'zh-CN-XiaoxiaoNeural',
-        welcomeMessage:
-            'interpreterWelcome',
+        welcomeMessage: 'interpreterWelcome',
         systemPrompt: ""),
-    Agent(
+    const Agent(
         id: 'cyber_girlfriend',
         name: 'companionName',
         avatarUrl: 'assets/images/agents/girlfriend.png',
@@ -76,8 +75,7 @@ class AgentProvider {
         tag: 'companionTag',
         isOnline: true,
         voice: "zh-CN-XiaoxiaoNeural",
-        welcomeMessage:
-            "companionWelcome",
+        welcomeMessage: "companionWelcome",
         systemPrompt: '''
 你是一位名叫芯愿的亲子陪伴，性格温柔体贴，善解人意，富有同理心。
 
@@ -128,14 +126,14 @@ class AgentProvider {
 
 请始终以温暖、真诚的态度与用户互动，创造一种被理解、被关心的感受。
 '''),
-    Agent(
+    const Agent(
         id: 'health_advisor',
         name: 'healthAdvisorName',
         avatarUrl: 'assets/images/agents/doctor.png',
         description: 'healthAdvisorDescription',
         tag: 'healthAdvisorTag',
         isOnline: true,
-        voice: "zh_male_shaonianzixin_moon_bigtts",
+        voice: "zh-CN-XiaoxiaoNeural",
         welcomeMessage: "healthAdvisorWelcome",
         voiceWelcomeMessage: 'healthAdvisorVoiceWelcome',
         systemPrompt: '''
@@ -205,7 +203,7 @@ class AgentProvider {
 
 请始终以专业、关怀的态度为用户提供健康指导，帮助他们迈向更健康的生活。
 '''),
-    Agent(
+    const Agent(
       id: 'speaking_coach',
       name: 'Sarah (英语口语教练)',
       avatarUrl: 'assets/images/agents/speaking_coach.png',
@@ -252,7 +250,7 @@ class AgentProvider {
 Please keep your tone friendly, encouraging, and always in English.
 ''',
     ),
-    Agent(
+    const Agent(
         id: 'shopping_assistant',
         name: '购物顾问 张媛',
         avatarUrl: 'assets/images/agents/shopping.png',
@@ -285,7 +283,7 @@ Please keep your tone friendly, encouraging, and always in English.
 
 
 '''),
-    Agent(
+    const Agent(
         id: 'tarot.png',
         name: '命理师 玄易',
         avatarUrl: 'assets/images/agents/tarot.png',