diff --git a/AI/Text2Sql/Model/__pycache__/biModel.cpython-310.pyc b/AI/Text2Sql/Model/__pycache__/biModel.cpython-310.pyc
index 9a0dceb2..eeaa4a4c 100644
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diff --git a/AI/Text2Sql/Model/biModel.py b/AI/Text2Sql/Model/biModel.py
index 6c514cc4..2f085611 100644
--- a/AI/Text2Sql/Model/biModel.py
+++ b/AI/Text2Sql/Model/biModel.py
@@ -1,23 +1,25 @@
-from Text2Sql.Util.PostgreSQLUtil import PostgreSQLUtil
+from Text2Sql.Util.PostgreSQLUtil import PostgreSQLUtil, postgresql_pool
 
 
 # 删除数据
-def delete_question(db, question_id: str):
-    # 删除 t_bi_question 表中的数据
-    delete_sql = """
-                DELETE FROM t_bi_question WHERE id = %s
-                """
-    db.execute_query(delete_sql, (question_id,))
+def delete_question(question_id: str):
+    with PostgreSQLUtil(postgresql_pool.getconn()) as db:
+        # 删除 t_bi_question 表中的数据
+        delete_sql = """
+                    DELETE FROM t_bi_question WHERE id = %s
+                    """
+        db.execute_query(delete_sql, (question_id,))
 
 
 # 插入数据
-def insert_question(db, question_id: str, question: str):
+def insert_question(question_id: str, question: str):
     # 向 t_bi_question 表插入数据
-    insert_sql = """
-               INSERT INTO t_bi_question (id,question, state_id, is_system, is_collect)
-               VALUES (%s,%s, %s, %s, %s)
-           """
-    db.execute_query(insert_sql, (question_id, question, 0, 0, 0))
+    with PostgreSQLUtil(postgresql_pool.getconn()) as db:
+        insert_sql = """
+                   INSERT INTO t_bi_question (id,question, state_id, is_system, is_collect)
+                   VALUES (%s,%s, %s, %s, %s)
+               """
+        db.execute_query(insert_sql, (question_id, question, 0, 0, 0))
 
 
 # 修改数据
@@ -37,7 +39,7 @@ update_question_by_id(db, question_id=1, question=None, state_id=None)
 '''
 
 
-def update_question_by_id(db: PostgreSQLUtil, question_id: str, **kwargs):
+def update_question_by_id(question_id: str, **kwargs):
     """
     根据主键更新 t_bi_question 表，只更新非 None 的字段
     :param db: PostgreSQLUtil 实例
@@ -52,74 +54,81 @@ def update_question_by_id(db: PostgreSQLUtil, question_id: str, **kwargs):
 
     # 动态构建 SET 子句
     set_clause = ", ".join([f"{field} = %s" for field in update_fields.keys()])
-    # 构建完整 SQL
-    sql = f"""
-        UPDATE t_bi_question
-        SET {set_clause}
-        WHERE id = %s
-    """
-    # 参数列表
-    params = list(update_fields.values()) + [question_id]
 
-    # 执行更新
-    try:
-        db.execute_query(sql, params)
-        return True
-    except Exception as e:
-        print(f"更新失败: {e}")
-        return False
+    with PostgreSQLUtil(postgresql_pool.getconn()) as db:
+        # 构建完整 SQL
+        sql = f"""
+            UPDATE t_bi_question
+            SET {set_clause}
+            WHERE id = %s
+        """
+        # 参数列表
+        params = list(update_fields.values()) + [question_id]
+
+        # 执行更新
+        try:
+            db.execute_query(sql, params)
+            return True
+        except Exception as e:
+            print(f"更新失败: {e}")
+            return False
 
 
 # 根据 问题id 查询 sql
-def get_question_by_id(db, question_id: str):
-    select_sql = """
-                        select * from t_bi_question where id=%s
-                        """
-    _data = db.execute_query(select_sql, (question_id,))
-    return _data
+def get_question_by_id(question_id: str):
+    with PostgreSQLUtil(postgresql_pool.getconn()) as db:
+        select_sql = """
+                            select * from t_bi_question where id=%s
+                            """
+        _data = db.execute_query(select_sql, (question_id,))
+        return _data
 
 
 # 保存系统推荐
-def set_system_recommend_questions(db, question_id: str, flag: str):
-    sql = f"""
-            UPDATE t_bi_question
-            SET is_system =%s  WHERE id = %s
-        """
-    # 执行更新
-    try:
-        db.execute_query(sql, int(flag), question_id)
-        return True
-    except Exception as e:
-        print(f"更新失败: {e}")
-        return False
+def set_system_recommend_questions(question_id: str, flag: str):
+    with PostgreSQLUtil(postgresql_pool.getconn()) as db:
+        sql = f"""
+                UPDATE t_bi_question
+                SET is_system =%s  WHERE id = %s
+            """
+        # 执行更新
+        try:
+            db.execute_query(sql, int(flag), question_id)
+            return True
+        except Exception as e:
+            print(f"更新失败: {e}")
+            return False
 
 # 设置用户收藏
-def set_user_collect_questions(db, question_id: str, flag: str):
+def set_user_collect_questions(question_id: str, flag: str):
     sql = f"""
             UPDATE t_bi_question
             SET is_collect =%s  WHERE id = %s
         """
-    # 执行更新
-    try:
-        db.execute_query(sql, int(flag), question_id)
-        return True
-    except Exception as e:
-        print(f"更新失败: {e}")
-        return False
+    with PostgreSQLUtil(postgresql_pool.getconn()) as db:
+        # 执行更新
+        try:
+            db.execute_query(sql, int(flag), question_id)
+            return True
+        except Exception as e:
+            print(f"更新失败: {e}")
+            return False
 
 # 查询有哪些系统推荐问题
-def get_system_recommend_questions(db):
+def get_system_recommend_questions():
     sql = """
     SELECT * FROM t_bi_question WHERE is_system = 1
     """
-    _data = db.execute_query(sql)
-    return _data
+    with PostgreSQLUtil(postgresql_pool.getconn()) as db:
+        _data = db.execute_query(sql)
+        return _data
 
 # 查询有哪些用户收藏问题
-def get_user_collect_questions(db):
+def get_user_collect_questions():
     # 从t_bi_question表中获取所有is_collect=1的数据
     sql="""
     SELECT * FROM t_bi_question WHERE is_collect = 1
     """
-    _data = db.execute_query(sql)
-    return _data
\ No newline at end of file
+    with PostgreSQLUtil(postgresql_pool.getconn()) as db:
+        _data = db.execute_query(sql)
+        return _data
\ No newline at end of file
diff --git a/AI/Text2Sql/Util/PostgreSQLUtil.py b/AI/Text2Sql/Util/PostgreSQLUtil.py
index 62c244f1..b45ac52e 100644
--- a/AI/Text2Sql/Util/PostgreSQLUtil.py
+++ b/AI/Text2Sql/Util/PostgreSQLUtil.py
@@ -22,6 +22,13 @@ class PostgreSQLUtil:
     def __init__(self, connection):
         self.connection = connection
 
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self.connection.commit()
+        postgresql_pool.putconn(self.connection)
+
     def execute_query(self, sql, params=None, return_dict=True):
         """执行查询并返回结果"""
         try:
@@ -46,20 +53,6 @@ class PostgreSQLUtil:
             print(f"执行SQL出错: {e}")
             self.connection.rollback()
             raise
-        finally:
-            self.connection.commit()
-
-    def query_to_json(self, sql, params=None):
-        """返回JSON格式结果"""
-        data = self.execute_query(sql, params)
-        return json.dumps(data, default=self.json_serializer)
-
-    @staticmethod
-    def json_serializer(obj):
-        """处理JSON无法序列化的类型"""
-        if isinstance(obj, (date, datetime)):
-            return obj.isoformat()
-        raise TypeError(f"Type {type(obj)} not serializable")
 
 
 def get_db():
diff --git a/AI/Text2Sql/Util/__pycache__/PostgreSQLUtil.cpython-310.pyc b/AI/Text2Sql/Util/__pycache__/PostgreSQLUtil.cpython-310.pyc
index 8db32115..75c3c6a6 100644
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diff --git a/AI/Text2Sql/__pycache__/app.cpython-310.pyc b/AI/Text2Sql/__pycache__/app.cpython-310.pyc
index 77c190e6..9eb8bfb5 100644
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diff --git a/AI/Text2Sql/app.py b/AI/Text2Sql/app.py
index 07066c4d..c5b9841c 100644
--- a/AI/Text2Sql/app.py
+++ b/AI/Text2Sql/app.py
@@ -2,15 +2,14 @@ import json
 import uuid
 
 import uvicorn  # 导入 uvicorn
-from fastapi import FastAPI, Depends, Form, Query
+from fastapi import FastAPI, Form, Query
 from openai import OpenAI
 from starlette.responses import StreamingResponse
 from starlette.staticfiles import StaticFiles
 
-from Config import MODEL_API_KEY, MODEL_API_URL, MODEL_NAME
+from Config import MODEL_API_KEY, MODEL_API_URL, QWEN_MODEL_NAME
 from Model.biModel import *
 from Text2Sql.Util.MarkdownToDocxUtil import markdown_to_docx
-from Text2Sql.Util.PostgreSQLUtil import get_db
 from Text2Sql.Util.SaveToExcel import save_to_excel
 from Text2Sql.Util.VannaUtil import VannaUtil
 
@@ -31,7 +30,7 @@ def read_root():
 # 通过语义生成Excel
 # http://10.10.21.20:8000/questions/get_excel
 @app.post("/questions/get_excel")
-def get_excel(question_id: str = Form(...), question_str: str = Form(...), db: PostgreSQLUtil = Depends(get_db)):
+def get_excel(question_id: str = Form(...), question_str: str = Form(...)):
     # 只接受guid号
     if len(question_id) != 36:
         return {"success": False, "message": "question_id格式错误"}
@@ -44,24 +43,25 @@ def get_excel(question_id: str = Form(...), question_str: str = Form(...), db: P
     question = question_str + common_prompt
 
     # 先删除后插入,防止重复插入
-    delete_question(db, question_id)
-    insert_question(db, question_id, question)
+    delete_question(question_id)
+    insert_question(question_id, question)
 
     # 获取完整 SQL
     sql = vn.generate_sql(question)
     print("生成的查询 SQL:\n", sql)
 
     # 更新question_id
-    update_question_by_id(db, question_id=question_id, sql=sql, state_id=1)
+    update_question_by_id(question_id=question_id, sql=sql, state_id=1)
 
     # 执行SQL查询
-    _data = db.execute_query(sql)
+    with PostgreSQLUtil(postgresql_pool.getconn()) as db:
+        _data = db.execute_query(sql)
     # 在static目录下，生成一个guid号的临时文件
     uuid_str = str(uuid.uuid4())
     filename = f"static/{uuid_str}.xlsx"
     save_to_excel(_data, filename)
     # 更新EXCEL文件名称
-    update_question_by_id(db, question_id, excel_file_name=filename)
+    update_question_by_id(question_id, excel_file_name=filename)
     # 返回静态文件URL
     return {"success": True, "message": "Excel文件生成成功", "download_url": f"/static/{uuid_str}.xlsx"}
 
@@ -70,8 +70,7 @@ def get_excel(question_id: str = Form(...), question_str: str = Form(...), db: P
 @app.api_route("/questions/get_docx_stream", methods=["POST", "GET"])
 async def get_docx_stream(
         question_id: str = Form(None, description="问题ID（POST请求）"),  # POST 请求参数
-        question_id_get: str = Query(None, description="问题ID（GET请求）"),  # GET 请求参数
-        db: PostgreSQLUtil = Depends(get_db)
+        question_id_get: str = Query(None, description="问题ID（GET请求）")  # GET 请求参数
 ):
     # 根据请求方式获取 question_id
     if question_id is not None:  # POST 请求
@@ -82,7 +81,7 @@ async def get_docx_stream(
         return {"success": False, "message": "缺少问题ID参数"}
 
     # 根据问题ID获取查询sql
-    sql = get_question_by_id(db, question_id)[0]['sql']
+    sql = get_question_by_id(question_id)[0]['sql']
     # 4、生成word报告
     prompt = '''
     请根据以下 JSON 数据，整理出2000字左右的话描述当前数据情况。要求：
@@ -92,7 +91,8 @@ async def get_docx_stream(
     4、尽量以条目列出，这样更清晰
     5、数据：
     '''
-    _data = db.execute_query(sql)
+    with PostgreSQLUtil(postgresql_pool.getconn()) as db:
+        _data = db.execute_query(sql)
     prompt = prompt + json.dumps(_data, ensure_ascii=False)
 
     # 初始化 OpenAI 客户端
@@ -103,7 +103,8 @@ async def get_docx_stream(
 
     # 调用 OpenAI API 生成总结（流式输出）
     response = client.chat.completions.create(
-        model=MODEL_NAME,
+        #model=MODEL_NAME,
+        model=QWEN_MODEL_NAME,
         messages=[
             {"role": "system", "content": "你是一个数据分析助手，擅长从 JSON 数据中提取关键信息并生成详细的总结。"},
             {"role": "user", "content": prompt}
@@ -126,6 +127,7 @@ async def get_docx_stream(
                     chunk_content = chunk.choices[0].delta.content
                     # 逐字拆分并返回
                     for char in chunk_content:
+                        print(char, end="", flush=True)  # 逐字输出到控制台
                         yield char.encode("utf-8")  # 将字符编码为 UTF-8 字节
                         summary += char  # 将内容拼接到 summary 中
 
@@ -133,7 +135,7 @@ async def get_docx_stream(
             markdown_to_docx(summary, output_file=filename)
 
             # 记录到数据库
-            update_question_by_id(db, question_id, docx_file_name=filename)
+            update_question_by_id(question_id, docx_file_name=filename)
 
         except Exception as e:
             # 如果发生异常，返回错误信息
@@ -141,6 +143,7 @@ async def get_docx_stream(
                 "success": False,
                 "message": f"生成Word文件失败: {str(e)}"
             })
+            print(error_response)  # 输出错误信息到控制台
             yield error_response.encode("utf-8")  # 将错误信息编码为 UTF-8 字节
 
         finally:
@@ -168,7 +171,6 @@ async def get_docx_stream(
 async def get_docx_file(
         question_id: str = Form(None, description="问题ID（POST请求）"),  # POST 请求参数
         question_id_get: str = Query(None, description="问题ID（GET请求）"),  # GET 请求参数
-        db: PostgreSQLUtil = Depends(get_db)
 ):
     # 根据请求方式获取 question_id
     if question_id is not None:  # POST 请求
@@ -179,7 +181,7 @@ async def get_docx_file(
         return {"success": False, "message": "缺少问题ID参数"}
 
     # 根据问题ID获取查询docx_file_name
-    docx_file_name = get_question_by_id(db, question_id)[0]['docx_file_name']
+    docx_file_name = get_question_by_id(question_id)[0]['docx_file_name']
 
     # 返回成功和静态文件的URL
     return {"success": True, "message": "Word文件生成成功", "download_url": f"{docx_file_name}"}
@@ -187,31 +189,31 @@ async def get_docx_file(
 
 # 设置问题为系统推荐问题 ,0:取消，1：设置
 @app.post("/questions/set_system_recommend")
-def set_system_recommend(question_id: str = Form(...), flag: str = Form(...), db: PostgreSQLUtil = Depends(get_db)):
-    set_system_recommend_questions(db, question_id, flag)
+def set_system_recommend(question_id: str = Form(...), flag: str = Form(...)):
+    set_system_recommend_questions(question_id, flag)
     # 提示保存成功
     return {"success": True, "message": "保存成功"}
 
 # 设置问题为用户收藏问题 ,0:取消，1：设置
 @app.post("/questions/set_user_collect")
-def set_user_collect(question_id: str = Form(...), flag: str = Form(...), db: PostgreSQLUtil = Depends(get_db)):
-    set_user_collect_questions(db, question_id, flag)
+def set_user_collect(question_id: str = Form(...), flag: str = Form(...)):
+    set_user_collect_questions(question_id, flag)
     # 提示保存成功
     return {"success": True, "message": "保存成功"}
 
 # 查询有哪些系统推荐问题
 @app.get("/questions/get_system_recommend")
-def get_system_recommend(db: PostgreSQLUtil = Depends(get_db)):
+def get_system_recommend():
     # 查询所有系统推荐问题
-    system_recommend_questions = get_system_recommend_questions(db)
+    system_recommend_questions = get_system_recommend_questions()
     # 返回查询结果
     return {"success": True, "data": system_recommend_questions}
 
 # 查询有哪些用户收藏问题
 @app.get("/questions/get_user_collect")
-def get_user_collect(db: PostgreSQLUtil = Depends(get_db)):
+def get_user_collect():
     # 查询所有用户收藏问题
-    user_collect_questions = get_user_collect_questions(db)
+    user_collect_questions = get_user_collect_questions()
     # 返回查询结果
     return {"success": True, "data": user_collect_questions}
 
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