diff --git a/VideoAnalysisCore/AICore/GPT/BserGPT.cs b/VideoAnalysisCore/AICore/GPT/BserGPT.cs
index 97957fa..48db489 100644
--- a/VideoAnalysisCore/AICore/GPT/BserGPT.cs
+++ b/VideoAnalysisCore/AICore/GPT/BserGPT.cs
@@ -10,6 +10,7 @@ using Whisper.net;
 using Microsoft.Extensions.DependencyInjection;
 using VideoAnalysisCore.AICore.GPT.ChatGPT;
 using VideoAnalysisCore.AICore.GPT.DeepSeek;
+using System.Text.Json.Serialization;
 
 namespace VideoAnalysisCore.AICore.GPT
 {
@@ -51,7 +52,7 @@ namespace VideoAnalysisCore.AICore.GPT
         /// <para>此功能处于 Beta 阶段。 如果指定，我们的系统将尽最大努力确定性地采样，这样具有相同 and 参数的重复请求应该返回相同的结果。 无法保证确定性，您应该参考 response 参数来监控后端的变化</para>
         /// </summary>
         public int? seed { get; set; } = null;
-        [json]
+        [JsonIgnore]
         public string? title { get; set; } = null;
         /// <summary>
         /// 推理模型 (deepseek-reasoner)
diff --git a/VideoAnalysisCore/AICore/GPT/ChatGPT/ChatGPTClient.cs b/VideoAnalysisCore/AICore/GPT/ChatGPT/ChatGPTClient.cs
index 4f82c08..261eacc 100644
--- a/VideoAnalysisCore/AICore/GPT/ChatGPT/ChatGPTClient.cs
+++ b/VideoAnalysisCore/AICore/GPT/ChatGPT/ChatGPTClient.cs
@@ -46,12 +46,13 @@ namespace VideoAnalysisCore.AICore.GPT.ChatGPT
             Message[] messageArr = [
                 new Message(postMessages,"user"),
             ];
+            model = model ?? ChatGPTType.GPT5_mini;
             messageArr = messageArr.Where(s => s != null).ToArray();
             var chatReq = new ChatRequest
             {
                 taskId = task,
                 model = model,
-                max_tokens = model == "deepseek-reasoner" ? 16000 : 8000,
+                max_tokens =8000,
                 stream = true,
                 temperature = 0.2f,
                 messages = messageArr
diff --git a/VideoAnalysisCore/AICore/GPT/GPTClient.cs b/VideoAnalysisCore/AICore/GPT/GPTClient.cs
index d35326a..36a8da0 100644
--- a/VideoAnalysisCore/AICore/GPT/GPTClient.cs
+++ b/VideoAnalysisCore/AICore/GPT/GPTClient.cs
@@ -86,14 +86,17 @@ namespace VideoAnalysisCore.AICore.GPT
             var messageBuilder1 = new StringBuilder();
             var lastChat = new ChatResSSE();
             var splitCount = "data:".Length;
-            var maxLoop = 60 * 100000;
+            var maxLoop = 50 * 200;
             int threshold = 0;
-            while (maxLoop > 0)
+            var startTime= DateTime.Now;
+            var endTime = startTime.AddHours(1.5);
+            //最长分析分析时间1.5小时   或者重试读取 1w次
+            while (maxLoop > 0 && DateTime.Now < endTime)
             {
                 line = reader.ReadLine();
                 if (line is null || string.IsNullOrEmpty(line) || line.StartsWith(": keep-alive"))
                 {
-                    Thread.Sleep(10);
+                    Thread.Sleep(50);
                     maxLoop--;
                     continue;
                 }
diff --git a/VideoAnalysisCore/Model/Enum/AttachmentsInfoType.cs b/VideoAnalysisCore/Model/Enum/AttachmentsInfoType.cs
index 1893914..939687b 100644
--- a/VideoAnalysisCore/Model/Enum/AttachmentsInfoType.cs
+++ b/VideoAnalysisCore/Model/Enum/AttachmentsInfoType.cs
@@ -26,7 +26,9 @@ namespace VideoAnalysisCore.Model.Enum
         [Description("班会")]
         班会 = 5,
         [Description("其他资料")]
-        其他资料 = 7
+        其他资料 = 7,
+        [Description("教研")]
+        教研 = 8
 
     }
 }