diff --git a/STranslate/ViewModels/Preference/Services/TranslatorOpenAI.cs b/STranslate/ViewModels/Preference/Services/TranslatorOpenAI.cs
index 47b16f7f..c9f8a06b 100644
--- a/STranslate/ViewModels/Preference/Services/TranslatorOpenAI.cs
+++ b/STranslate/ViewModels/Preference/Services/TranslatorOpenAI.cs
@@ -73,6 +73,10 @@ public TranslatorOpenAI(
         [ObservableProperty]
         public string _appKey = string.Empty;
 
+        [JsonIgnore]
+        [ObservableProperty]
+        private string _model = "gpt-3.5-turbo";
+
         [JsonIgnore]
         public object _data = string.Empty;
 
diff --git a/STranslate/ViewModels/ServiceHandler.cs b/STranslate/ViewModels/ServiceHandler.cs
index 5a11b972..0e5540aa 100644
--- a/STranslate/ViewModels/ServiceHandler.cs
+++ b/STranslate/ViewModels/ServiceHandler.cs
@@ -1,7 +1,6 @@
 using System;
 using System.Linq;
 using System.Net.Http;
-using System.Security.Policy;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
@@ -9,6 +8,7 @@
 using Newtonsoft.Json.Linq;
 using STranslate.Model;
 using STranslate.Util;
+using STranslate.ViewModels.Preference.Services;
 
 namespace STranslate.ViewModels
 {
@@ -121,10 +121,13 @@ public static async Task OpenAIHandlerAsync(ITranslator service, string content,
                     uriBuilder.Path = uriBuilder.Path.TrimEnd('/') + "/v1/completions";
                 }
 
+                var a_model = (service as TranslatorOpenAI)?.Model;
+                a_model = string.IsNullOrEmpty(a_model) ? "gpt-3.5-turbo" : a_model;
+
                 // 构建请求数据
                 var reqData = new
                 {
-                    model = "gpt-3.5-turbo",
+                    model = a_model,
                     messages = new[] { new { role = "user", content = $"Translate the following text to {target}: {content}" } },
                     temperature = 1.0,
                     stream = true
@@ -232,7 +235,7 @@ public static async Task GeminiHandlerAsync(ITranslator service, string content,
                     Content = new StringContent(jsonData, Encoding.UTF8, "application/json")
                 };
 
-                // 发送请求 
+                // 发送请求
                 using var response = await client.SendAsync(req, HttpCompletionOption.ResponseHeadersRead, token);
                 // 获取响应流
                 using var responseStream = await response.Content.ReadAsStreamAsync(token);
diff --git a/STranslate/Views/Preference/Service/TextOpenAIServicesPage.xaml b/STranslate/Views/Preference/Service/TextOpenAIServicesPage.xaml
index 47245350..85a2b493 100644
--- a/STranslate/Views/Preference/Service/TextOpenAIServicesPage.xaml
+++ b/STranslate/Views/Preference/Service/TextOpenAIServicesPage.xaml
@@ -45,6 +45,20 @@
             </Grid>
 
             <Grid>
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="80" />
+                    <ColumnDefinition Width="*" />
+                </Grid.ColumnDefinitions>
+                <TextBlock Text="模型: " />
+
+                <common:PlaceholderTextBox Grid.Column="1"
+                                           MinWidth="206"
+                                           HorizontalAlignment="Left"
+                                           Placeholder="gpt-3.5-turbo"
+                                           Text="{Binding Model, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}" />
+            </Grid>
+
+            <Grid Margin="0,20">
                 <Grid.ColumnDefinitions>
                     <ColumnDefinition Width="80" />
                     <ColumnDefinition Width="*" />
@@ -88,7 +102,7 @@
                           SelectedValue="{Binding Icon}" />
             </Grid>
 
-            <Grid Margin="0,20">
+            <Grid>
                 <Grid.ColumnDefinitions>
                     <ColumnDefinition Width="80" />
                     <ColumnDefinition Width="*" />