diff --git a/Html/apps/services/course_services/learning_progess_process.py b/Html/apps/services/course_services/learning_progess_process.py
index f1f6801..ff0cc1c 100644
--- a/Html/apps/services/course_services/learning_progess_process.py
+++ b/Html/apps/services/course_services/learning_progess_process.py
@@ -100,7 +100,7 @@ def get_multiagents_dialog_list(user_id: str) -> List[Dict]:
         current_app.logger.error(f"获取MultiAgents对话列表异常: {str(e)}")
         return []
 
-def load_learning_progress(user_id: str, material_id: str, chapter_name: str, lesson_name: str) -> Optional[Dict]:
+def load_learning_progress(user_id: str, material_id: str, chapter_name: str, lesson_name: str) -> Dict:
     """
     加载用户学习进度
     
@@ -111,7 +111,10 @@ def load_learning_progress(user_id: str, material_id: str, chapter_name: str, le
     - lesson_name: 课时名
     
     返回：
-    - Optional[Dict]: 学习进度数据，如果不存在则返回None
+    - Dict: 学习进度数据，包含以下字段：
+      - exists: bool，表示学习记录是否存在
+      - data: Dict，学习进度详细数据，包含chat_historys、scores、chapter_chain_now等字段
+      - message: str，操作结果描述
     """
     try:
         mongo = current_app.extensions["mongo"]
@@ -126,11 +129,44 @@ def load_learning_progress(user_id: str, material_id: str, chapter_name: str, le
             # 转换ObjectId为字符串
             if "_id" in progress:
                 progress["_id"] = str(progress["_id"])
-            return progress
-        return None
+            return {
+                "exists": True,
+                "data": progress,
+                "message": "学习记录加载成功"
+            }
+        # 返回默认值，确保即使没有学习记录也有完整的结构
+        return {
+            "exists": False,
+            "data": {
+                "user_id": user_id,
+                "material_id": material_id,
+                "chapter_name": chapter_name,
+                "lesson_name": lesson_name,
+                "chat_historys": [],
+                "scores": [],
+                "chapter_chain_now": None,
+                "updated_at": datetime.now().isoformat()
+            },
+            "message": "未找到学习记录，返回默认值"
+        }
     except Exception as e:
-        current_app.logger.error(f"加载学习进度失败: {str(e)}")
-        return None
+        error_msg = f"加载学习进度失败: {str(e)}"
+        current_app.logger.error(error_msg)
+        # 发生错误时返回默认结构，确保系统稳定性
+        return {
+            "exists": False,
+            "data": {
+                "user_id": user_id,
+                "material_id": material_id,
+                "chapter_name": chapter_name,
+                "lesson_name": lesson_name,
+                "chat_historys": [],
+                "scores": [],
+                "chapter_chain_now": None,
+                "updated_at": datetime.now().isoformat()
+            },
+            "message": error_msg
+        }
 
 
 def upload_learning_progress_to_cloud(progress: Dict) -> Dict:
diff --git a/Html/apps/sockets/namespaces.py b/Html/apps/sockets/namespaces.py
index 9749784..6ead01a 100644
--- a/Html/apps/sockets/namespaces.py
+++ b/Html/apps/sockets/namespaces.py
@@ -86,10 +86,11 @@ class AgentNamespace(Namespace):
         chatmanager.function_manager.add_function(next_chapter, {'user_uuid': user_uuid})
         
         if not chatmanager.restart:# 尝试加载用户学习进度
-            progress = load_learning_progress(user_id, course_id, chapter_name, lesson_name)
+            progress_result = load_learning_progress(user_id, course_id, chapter_name, lesson_name)
             need_skip_chapters = 0
             
-            if progress:
+            if progress_result['exists']:
+                progress = progress_result['data']
                 # 恢复学习进度数据
                 if 'scores' in progress:
                     # 根据scores的数量确定需要跳过的章节数
@@ -108,8 +109,10 @@ class AgentNamespace(Namespace):
                     chatmanager.chapter_chain_now = progress['chapter_chain_now']
                 upload_learning_progress_to_cloud(progress)
             else:
-                chatmanager.chat_historys = []
-                chatmanager.scores = []
+                # 使用默认值，确保有完整的结构
+                chatmanager.chat_historys = progress_result['data']['chat_historys']
+                chatmanager.scores = progress_result['data']['scores']
+                print(f"未找到学习记录，使用默认值: {progress_result['message']}")
 
         fmd,fmdp,fsp = load_full_markdown_file(course_id, chapter_name, lesson_name)
         user_uuid2ase_client[user_uuid] = HSAEngineClient(current_app.config["ASE_ENGINE_URL"], current_app.config["ASE_ENGINE_NAMESPACE"],id=user_id, chatmanager = chatmanager)
diff --git a/Html/test_progress.py b/Html/test_progress.py
new file mode 100644
index 0000000..4839f60
--- /dev/null
+++ b/Html/test_progress.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+
+import sys
+import os
+
+# Add the project root to the Python path
+sys.path.insert(0, '/Users/cakecai/Documents/gitea/hsa/Html')
+
+from flask import Flask
+from flask_pymongo import PyMongo
+
+# Create a minimal Flask app for testing
+app = Flask(__name__)
+app.config['MONGO_URI'] = 'mongodb://localhost:27017/test_db'
+mongo = PyMongo(app)
+
+# Register the mongo extension with the app
+app.extensions = {'mongo': mongo}
+
+# Import the function to test
+with app.app_context():
+    from apps.services.course_services.learning_progess_process import load_learning_progress
+    
+    # Test with non-existent record
+    print("Testing with non-existent record:")
+    result = load_learning_progress("test_user", "test_course", "test_chapter", "test_lesson")
+    print(f"Result: {result}")
+    print(f"Exists: {result['exists']}")
+    print(f"Data keys: {list(result['data'].keys())}")
+    print(f"Message: {result['message']}")
+    print("\n")
+    
+    # Test that default values are correctly set
+    print("Testing default values:")
+    print(f"Chat historys: {result['data']['chat_historys']}")
+    print(f"Scores: {result['data']['scores']}")
+    print(f"Chapter chain now: {result['data']['chapter_chain_now']}")
+    print(f"Updated at: {result['data']['updated_at']}")
+    print("\n")
+    
+    print("Test completed successfully!")