diff --git a/pyproject.toml b/pyproject.toml
index 1d432bd7..72fe4984 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,6 @@ dependencies = [
     "numpy>=2.2.6",
     "openai>=1.95.0",
     "pandas>=2.3.1",
-    "peewee>=3.18.2",
     "pillow>=11.3.0",
     "pyarrow>=20.0.0",
     "pydantic>=2.11.7",
@@ -29,6 +28,8 @@ dependencies = [
     "rich>=14.0.0",
     "ruff>=0.12.2",
     "setuptools>=80.9.0",
+    "sqlalchemy>=2.0.40",
+    "sqlmodel>=0.0.24",
     "structlog>=25.4.0",
     "toml>=0.10.2",
     "tomlkit>=0.13.3",
diff --git a/requirements.txt b/requirements.txt
index 4cc63bc8..6bd487cb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,6 @@ matplotlib>=3.10.3
 numpy>=2.2.6
 openai>=1.95.0
 pandas>=2.3.1
-peewee>=3.18.2
 pillow>=11.3.0
 pyarrow>=20.0.0
 pydantic>=2.11.7
@@ -23,8 +22,10 @@ quick-algo>=0.1.3
 rich>=14.0.0
 ruff>=0.12.2
 setuptools>=80.9.0
+sqlalchemy>=2.0.40
+sqlmodel>=0.0.24
 structlog>=25.4.0
 toml>=0.10.2
 tomlkit>=0.13.3
 urllib3>=2.5.0
-uvicorn>=0.35.0
\ No newline at end of file
+uvicorn>=0.35.0
diff --git a/src/bw_learner/jargon_miner.py b/src/bw_learner/jargon_miner.py
index 449ebe61..0d1622a9 100644
--- a/src/bw_learner/jargon_miner.py
+++ b/src/bw_learner/jargon_miner.py
@@ -4,7 +4,7 @@ import random
 from collections import OrderedDict
 from typing import List, Dict, Optional, Callable
 from json_repair import repair_json
-from peewee import fn
+from sqlalchemy import func as fn
 
 from src.common.logger import get_logger
 from src.common.database.database_model import Jargon
diff --git a/src/common/database/database.py b/src/common/database/database.py
index 2c0598ba..979da54d 100644
--- a/src/common/database/database.py
+++ b/src/common/database/database.py
@@ -1,8 +1,9 @@
 from rich.traceback import install
 from pathlib import Path
 from contextlib import contextmanager
-from sqlalchemy import create_engine, event
+from sqlalchemy import create_engine, event, text
 from sqlalchemy.engine import Engine
+from sqlalchemy import inspect as sqlalchemy_inspect
 from sqlalchemy.orm import Session, sessionmaker
 from typing import TYPE_CHECKING, Generator
 
@@ -131,3 +132,59 @@ def get_db() -> Generator[Session, None, None]:
         yield session
     finally:
         session.close()
+
+
+class _AtomicContext:
+    def __init__(self) -> None:
+        self._session: Session | None = None
+
+    def __enter__(self) -> Session:
+        self._session = SessionLocal()
+        self._session.begin()
+        return self._session
+
+    def __exit__(self, exc_type, exc, tb) -> None:
+        if self._session is None:
+            return
+        try:
+            if exc_type is None:
+                self._session.commit()
+            else:
+                self._session.rollback()
+        finally:
+            self._session.close()
+
+
+class DatabaseCompat:
+    """兼容旧 db 调用接口（Peewee 风格），底层使用 SQLAlchemy。"""
+
+    def connect(self, reuse_if_open: bool = True) -> None:
+        # SQLAlchemy 由 engine 按需管理连接，这里保留兼容入口。
+        _ = reuse_if_open
+
+    def create_tables(self, models: list[type], safe: bool = True) -> None:
+        _ = safe
+        tables = [model.__table__ for model in models if hasattr(model, "__table__")]
+        if not tables:
+            return
+        from sqlmodel import SQLModel
+
+        SQLModel.metadata.create_all(engine, tables=tables)
+
+    def atomic(self) -> _AtomicContext:
+        return _AtomicContext()
+
+    def execute_sql(self, sql: str):
+        with engine.connect() as conn:
+            result = conn.execute(text(sql))
+            conn.commit()
+            return result
+
+    def table_exists(self, model: type) -> bool:
+        if not hasattr(model, "__tablename__"):
+            return False
+        inspector = sqlalchemy_inspect(engine)
+        return inspector.has_table(model.__tablename__)
+
+
+db = DatabaseCompat()
diff --git a/src/common/logger.py b/src/common/logger.py
index b57c9dd3..92306f6e 100644
--- a/src/common/logger.py
+++ b/src/common/logger.py
@@ -304,7 +304,7 @@ def load_log_config():  # sourcery skip: use-contextlib-suppress
             "websockets",
             "httpcore",
             "requests",
-            "peewee",
+            "sqlalchemy",
             "openai",
             "uvicorn",
             "jieba",
@@ -876,19 +876,19 @@ def initialize_logging(verbose: bool = True):
     """手动初始化日志系统，确保所有logger都使用正确的配置
 
     在应用程序的早期调用此函数，确保所有模块都使用统一的日志配置
-    
+
     Args:
         verbose: 是否输出详细的初始化信息。默认为 True。
                  在 Runner 进程中可以设置为 False 以避免重复的初始化日志。
     """
     global LOG_CONFIG, _logging_initialized
-    
+
     # 防止重复初始化（在同一进程内）
     if _logging_initialized:
         return
-    
+
     _logging_initialized = True
-    
+
     LOG_CONFIG = load_log_config()
     # print(LOG_CONFIG)
     configure_third_party_loggers()
@@ -941,16 +941,16 @@ def cleanup_old_logs():
 
 def start_log_cleanup_task(verbose: bool = True):
     """启动日志清理任务
-    
+
     Args:
         verbose: 是否输出启动信息。默认为 True。
     """
     global _cleanup_task_started
-    
+
     # 防止重复启动清理任务
     if _cleanup_task_started:
         return
-    
+
     _cleanup_task_started = True
 
     def cleanup_task():
diff --git a/src/common/message_repository.py b/src/common/message_repository.py
index fa0126d4..19cb0544 100644
--- a/src/common/message_repository.py
+++ b/src/common/message_repository.py
@@ -1,7 +1,6 @@
 import traceback
 
 from typing import List, Any, Optional
-from peewee import Model  # 添加 Peewee Model 导入
 
 from src.config.config import global_config
 from src.common.data_models.database_data_model import DatabaseMessages
@@ -11,11 +10,15 @@ from src.common.logger import get_logger
 logger = get_logger(__name__)
 
 
-def _model_to_instance(model_instance: Model) -> DatabaseMessages:
+def _model_to_instance(model_instance: Any) -> DatabaseMessages:
     """
     将 Peewee 模型实例转换为字典。
     """
-    return DatabaseMessages(**model_instance.__data__)
+    if isinstance(model_instance, dict):
+        return DatabaseMessages(**model_instance)
+    if hasattr(model_instance, "model_dump"):
+        return DatabaseMessages(**model_instance.model_dump())
+    return DatabaseMessages(**model_instance.__dict__)
 
 
 def find_messages(
@@ -92,14 +95,17 @@ def find_messages(
         if limit > 0:
             if limit_mode == "earliest":
                 # 获取时间最早的 limit 条记录，已经是正序
-                query = query.order_by(Messages.time.asc()).limit(limit)
+                query = query.order_by("time").limit(limit)
                 peewee_results = list(query)
             else:  # 默认为 'latest'
                 # 获取时间最晚的 limit 条记录
-                query = query.order_by(Messages.time.desc()).limit(limit)
+                query = query.order_by("-time").limit(limit)
                 latest_results_peewee = list(query)
                 # 将结果按时间正序排列
-                peewee_results = sorted(latest_results_peewee, key=lambda msg: msg.time)
+                peewee_results = sorted(
+                    latest_results_peewee,
+                    key=lambda msg: msg.get("time", 0) if isinstance(msg, dict) else getattr(msg, "time", 0),
+                )
         else:
             # limit 为 0 时，应用传入的 sort 参数
             if sort:
@@ -108,9 +114,9 @@ def find_messages(
                     if hasattr(Messages, field_name):
                         field = getattr(Messages, field_name)
                         if direction == 1:  # ASC
-                            peewee_sort_terms.append(field.asc())
+                            peewee_sort_terms.append(field_name)
                         elif direction == -1:  # DESC
-                            peewee_sort_terms.append(field.desc())
+                            peewee_sort_terms.append(f"-{field_name}")
                         else:
                             logger.warning(f"字段 '{field_name}' 的排序方向 '{direction}' 无效。将跳过此排序条件。")
                     else:
diff --git a/src/dream/dream_agent.py b/src/dream/dream_agent.py
index 30176200..ece9e65a 100644
--- a/src/dream/dream_agent.py
+++ b/src/dream/dream_agent.py
@@ -3,7 +3,7 @@ import random
 import time
 from typing import Any, Dict, List, Optional, Tuple
 
-from peewee import fn
+from sqlalchemy import func as fn
 
 from src.common.logger import get_logger
 from src.config.config import global_config, model_config
diff --git a/src/plugin_system/apis/database_api.py b/src/plugin_system/apis/database_api.py
index bb96aeb3..9af4e078 100644
--- a/src/plugin_system/apis/database_api.py
+++ b/src/plugin_system/apis/database_api.py
@@ -1,228 +1,97 @@
 """数据库API模块
 
-提供数据库操作相关功能，采用标准Python包设计模式
-使用方式：
-    from src.plugin_system.apis import database_api
-    records = await database_api.db_query(ActionRecords, query_type="get")
-    record = await database_api.db_save(ActionRecords, data={"action_id": "123"})
+提供数据库操作相关功能，统一使用 SQLModel/SQLAlchemy 兼容接口。
 """
 
-import traceback
-import time
 import json
-from typing import Dict, List, Any, Union, Type, Optional
+import time
+import traceback
+from typing import Any, Optional
+
 from src.common.logger import get_logger
-from peewee import Model, DoesNotExist
 
 logger = get_logger("database_api")
 
-# =============================================================================
-# 通用数据库查询API函数
-# =============================================================================
+
+def _to_dict(record: Any) -> dict[str, Any]:
+    if record is None:
+        return {}
+    if isinstance(record, dict):
+        return record
+    if hasattr(record, "model_dump"):
+        return record.model_dump()
+    if hasattr(record, "__dict__"):
+        return dict(record.__dict__)
+    return {}
 
 
 async def db_query(
-    model_class: Type[Model],
-    data: Optional[Dict[str, Any]] = None,
-    query_type: Optional[str] = "get",
-    filters: Optional[Dict[str, Any]] = None,
+    model_class,
+    data: Optional[dict[str, Any]] = None,
+    query_type: str = "get",
+    filters: Optional[dict[str, Any]] = None,
     limit: Optional[int] = None,
-    order_by: Optional[List[str]] = None,
-    single_result: Optional[bool] = False,
-) -> Union[List[Dict[str, Any]], Dict[str, Any], None]:
-    """执行数据库查询操作
-
-    这个方法提供了一个通用接口来执行数据库操作，包括查询、创建、更新和删除记录。
-
-    Args:
-        model_class: Peewee 模型类，例如 ActionRecords, Messages 等
-        data: 用于创建或更新的数据字典
-        query_type: 查询类型，可选值: "get", "create", "update", "delete", "count"
-        filters: 过滤条件字典，键为字段名，值为要匹配的值
-        limit: 限制结果数量
-        order_by: 排序字段，前缀'-'表示降序，例如'-time'表示按时间字段（即time字段）降序
-        single_result: 是否只返回单个结果
-
-    Returns:
-        根据查询类型返回不同的结果:
-        - "get": 返回查询结果列表或单个结果（如果 single_result=True）
-        - "create": 返回创建的记录
-        - "update": 返回受影响的行数
-        - "delete": 返回受影响的行数
-        - "count": 返回记录数量
-    """
-    """
-    示例:
-        # 查询最近10条消息
-        messages = await database_api.db_query(
-            Messages,
-            query_type="get",
-            filters={"chat_id": chat_stream.stream_id},
-            limit=10,
-            order_by=["-time"]
-        )
-
-        # 创建一条记录
-        new_record = await database_api.db_query(
-            ActionRecords,
-            data={"action_id": "123", "time": time.time(), "action_name": "TestAction"},
-            query_type="create",
-        )
-
-        # 更新记录
-        updated_count = await database_api.db_query(
-            ActionRecords,
-            data={"action_done": True},
-            query_type="update",
-            filters={"action_id": "123"},
-        )
-
-        # 删除记录
-        deleted_count = await database_api.db_query(
-            ActionRecords,
-            query_type="delete",
-            filters={"action_id": "123"}
-        )
-
-        # 计数
-        count = await database_api.db_query(
-            Messages,
-            query_type="count",
-            filters={"chat_id": chat_stream.stream_id}
-        )
-    """
+    order_by: Optional[list[str]] = None,
+    single_result: bool = False,
+):
     try:
         if query_type not in ["get", "create", "update", "delete", "count"]:
             raise ValueError("query_type must be 'get' or 'create' or 'update' or 'delete' or 'count'")
-        # 构建基本查询
-        if query_type in ["get", "update", "delete", "count"]:
-            query = model_class.select()
 
-            # 应用过滤条件
+        if query_type == "get":
+            query = model_class.select()
             if filters:
                 for field, value in filters.items():
                     query = query.where(getattr(model_class, field) == value)
-
-        # 执行查询
-        if query_type == "get":
-            # 应用排序
             if order_by:
-                for field in order_by:
-                    if field.startswith("-"):
-                        query = query.order_by(getattr(model_class, field[1:]).desc())
-                    else:
-                        query = query.order_by(getattr(model_class, field))
-
-            # 应用限制
+                query = query.order_by(*order_by)
             if limit:
                 query = query.limit(limit)
-
-            # 执行查询
             results = list(query.dicts())
-
-            # 返回结果
             if single_result:
                 return results[0] if results else None
             return results
 
-        elif query_type == "create":
+        if query_type == "create":
             if not data:
                 raise ValueError("创建记录需要提供data参数")
-
-            # 创建记录
             record = model_class.create(**data)
-            # 返回创建的记录
-            return model_class.select().where(model_class.id == record.id).dicts().get()  # type: ignore
+            return _to_dict(record)
 
-        elif query_type == "update":
+        query = model_class.select()
+        if filters:
+            for field, value in filters.items():
+                query = query.where(getattr(model_class, field) == value)
+
+        if query_type == "update":
             if not data:
                 raise ValueError("更新记录需要提供data参数")
+            return query.model_class.update(**data).where(*query.stmt._where_criteria).execute()
 
-            # 更新记录
-            return query.update(**data).execute()
+        if query_type == "delete":
+            return model_class.delete().where(*query.stmt._where_criteria).execute()
 
-        elif query_type == "delete":
-            # 删除记录
-            return query.delete().execute()
-
-        elif query_type == "count":
-            # 计数
-            return query.count()
-
-        else:
-            raise ValueError(f"不支持的查询类型: {query_type}")
-
-    except DoesNotExist:
-        # 记录不存在
-        return None if query_type == "get" and single_result else []
+        return query.count()
     except Exception as e:
         logger.error(f"[DatabaseAPI] 数据库操作出错: {e}")
         traceback.print_exc()
-
-        # 根据查询类型返回合适的默认值
         if query_type == "get":
             return None if single_result else []
-        elif query_type in ["create", "update", "delete", "count"]:
-            return None
         return None
 
 
-async def db_save(
-    model_class: Type[Model], data: Dict[str, Any], key_field: Optional[str] = None, key_value: Optional[Any] = None
-) -> Optional[Dict[str, Any]]:
-    # sourcery skip: inline-immediately-returned-variable
-    """保存数据到数据库（创建或更新）
-
-    如果提供了key_field和key_value，会先尝试查找匹配的记录进行更新；
-    如果没有找到匹配记录，或未提供key_field和key_value，则创建新记录。
-
-    Args:
-        model_class: Peewee模型类，如ActionRecords, Messages等
-        data: 要保存的数据字典
-        key_field: 用于查找现有记录的字段名，例如"action_id"
-        key_value: 用于查找现有记录的字段值
-
-    Returns:
-        Dict[str, Any]: 保存后的记录数据
-        None: 如果操作失败
-
-    示例:
-        # 创建或更新一条记录
-        record = await database_api.db_save(
-            ActionRecords,
-            {
-                "action_id": "123",
-                "time": time.time(),
-                "action_name": "TestAction",
-                "action_done": True
-            },
-            key_field="action_id",
-            key_value="123"
-        )
-    """
+async def db_save(model_class, data: dict[str, Any], key_field: Optional[str] = None, key_value: Optional[Any] = None):
     try:
-        # 如果提供了key_field和key_value，尝试更新现有记录
         if key_field and key_value is not None:
-            if existing_records := list(
-                model_class.select().where(getattr(model_class, key_field) == key_value).limit(1)
-            ):
-                # 更新现有记录
-                existing_record = existing_records[0]
+            record = model_class.get_or_none(getattr(model_class, key_field) == key_value)
+            if record is not None:
                 for field, value in data.items():
-                    setattr(existing_record, field, value)
-                existing_record.save()
+                    setattr(record, field, value)
+                record.save()
+                return _to_dict(record)
 
-                # 返回更新后的记录
-                updated_record = model_class.select().where(model_class.id == existing_record.id).dicts().get()  # type: ignore
-                return updated_record
-
-        # 如果没有找到现有记录或未提供key_field和key_value，创建新记录
         new_record = model_class.create(**data)
-
-        # 返回创建的记录
-        created_record = model_class.select().where(model_class.id == new_record.id).dicts().get()  # type: ignore
-        return created_record
-
+        return _to_dict(new_record)
     except Exception as e:
         logger.error(f"[DatabaseAPI] 保存数据库记录出错: {e}")
         traceback.print_exc()
@@ -230,71 +99,25 @@ async def db_save(
 
 
 async def db_get(
-    model_class: Type[Model],
-    filters: Optional[Dict[str, Any]] = None,
+    model_class,
+    filters: Optional[dict[str, Any]] = None,
     limit: Optional[int] = None,
     order_by: Optional[str] = None,
-    single_result: Optional[bool] = False,
-) -> Union[List[Dict[str, Any]], Dict[str, Any], None]:
-    """从数据库获取记录
-
-    这是db_query方法的简化版本，专注于数据检索操作。
-
-    Args:
-        model_class: Peewee模型类
-        filters: 过滤条件，字段名和值的字典
-        limit: 结果数量限制
-        order_by: 排序字段，前缀'-'表示降序，例如'-time'表示按时间字段（即time字段）降序
-        single_result: 是否只返回单个结果，如果为True，则返回单个记录字典或None；否则返回记录字典列表或空列表
-
-    Returns:
-        如果single_result为True，返回单个记录字典或None；
-        否则返回记录字典列表或空列表。
-
-    示例:
-        # 获取单个记录
-        record = await database_api.db_get(
-            ActionRecords,
-            filters={"action_id": "123"},
-            limit=1
-        )
-
-        # 获取最近10条记录
-        records = await database_api.db_get(
-            Messages,
-            filters={"chat_id": chat_stream.stream_id},
-            limit=10,
-            order_by="-time",
-        )
-    """
+    single_result: bool = False,
+):
     try:
-        # 构建查询
         query = model_class.select()
-
-        # 应用过滤条件
         if filters:
             for field, value in filters.items():
                 query = query.where(getattr(model_class, field) == value)
-
-        # 应用排序
         if order_by:
-            if order_by.startswith("-"):
-                query = query.order_by(getattr(model_class, order_by[1:]).desc())
-            else:
-                query = query.order_by(getattr(model_class, order_by))
-
-        # 应用限制
+            query = query.order_by(order_by)
         if limit:
             query = query.limit(limit)
-
-        # 执行查询
         results = list(query.dicts())
-
-        # 返回结果
         if single_result:
             return results[0] if results else None
         return results
-
     except Exception as e:
         logger.error(f"[DatabaseAPI] 获取数据库记录出错: {e}")
         traceback.print_exc()
@@ -310,41 +133,12 @@ async def store_action_info(
     action_data: Optional[dict] = None,
     action_name: str = "",
     action_reasoning: str = "",
-) -> Optional[Dict[str, Any]]:
-    """存储动作信息到数据库
-
-    将Action执行的相关信息保存到ActionRecords表中，用于后续的记忆和上下文构建。
-
-    Args:
-        chat_stream: 聊天流对象，包含聊天相关信息
-        action_build_into_prompt: 是否将此动作构建到提示中
-        action_prompt_display: 动作的提示显示文本
-        action_done: 动作是否完成
-        thinking_id: 关联的思考ID
-        action_data: 动作数据字典
-        action_name: 动作名称
-        action_reasoning: 动作执行理由
-    Returns:
-        Dict[str, Any]: 保存的记录数据
-        None: 如果保存失败
-
-    示例:
-        record = await database_api.store_action_info(
-            chat_stream=chat_stream,
-            action_build_into_prompt=True,
-            action_prompt_display="执行了回复动作",
-            action_done=True,
-            thinking_id="thinking_123",
-            action_data={"content": "Hello"},
-            action_name="reply_action"
-        )
-    """
+):
     try:
         from src.common.database.database_model import ActionRecords
 
-        # 构建动作记录数据
         record_data = {
-            "action_id": thinking_id or str(int(time.time() * 1000000)),  # 使用thinking_id或生成唯一ID
+            "action_id": thinking_id or str(int(time.time() * 1000000)),
             "time": time.time(),
             "action_name": action_name,
             "action_data": json.dumps(action_data or {}, ensure_ascii=False),
@@ -354,7 +148,6 @@ async def store_action_info(
             "action_prompt_display": action_prompt_display,
         }
 
-        # 从chat_stream获取聊天信息
         if chat_stream:
             record_data.update(
                 {
@@ -364,27 +157,16 @@ async def store_action_info(
                 }
             )
         else:
-            # 如果没有chat_stream，设置默认值
-            record_data.update(
-                {
-                    "chat_id": "",
-                    "chat_info_stream_id": "",
-                    "chat_info_platform": "",
-                }
-            )
+            record_data.update({"chat_id": "", "chat_info_stream_id": "", "chat_info_platform": ""})
 
-        # 使用已有的db_save函数保存记录
         saved_record = await db_save(
             ActionRecords, data=record_data, key_field="action_id", key_value=record_data["action_id"]
         )
-
         if saved_record:
             logger.debug(f"[DatabaseAPI] 成功存储动作信息: {action_name} (ID: {record_data['action_id']})")
         else:
             logger.error(f"[DatabaseAPI] 存储动作信息失败: {action_name}")
-
         return saved_record
-
     except Exception as e:
         logger.error(f"[DatabaseAPI] 存储动作信息时发生错误: {e}")
         traceback.print_exc()
diff --git a/src/webui/routers/annual_report.py b/src/webui/routers/annual_report.py
index 68e1f4b9..a0f676f2 100644
--- a/src/webui/routers/annual_report.py
+++ b/src/webui/routers/annual_report.py
@@ -4,7 +4,7 @@ from fastapi import APIRouter, HTTPException, Depends, Cookie, Header
 from pydantic import BaseModel, Field
 from typing import Dict, Any, List, Optional
 from datetime import datetime
-from peewee import fn
+from sqlalchemy import func as fn
 
 from src.common.logger import get_logger
 from src.common.database.database_model import (
@@ -151,9 +151,7 @@ async def get_time_footprint(year: int = 2025) -> TimeFootprintData:
     try:
         # 1. 年度在线时长
         online_records = list(
-            OnlineTime.select().where(
-                (OnlineTime.start_timestamp >= start_dt) | (OnlineTime.end_timestamp <= end_dt)
-            )
+            OnlineTime.select().where((OnlineTime.start_timestamp >= start_dt) | (OnlineTime.end_timestamp <= end_dt))
         )
         total_seconds = 0
         for record in online_records:
@@ -235,10 +233,10 @@ async def get_time_footprint(year: int = 2025) -> TimeFootprintData:
 async def get_social_network(year: int = 2025) -> SocialNetworkData:
     """获取社交网络数据"""
     from src.config.config import global_config
-    
+
     data = SocialNetworkData()
     start_ts, end_ts = get_year_time_range(year)
-    
+
     # 获取 bot 自身的 QQ 账号，用于过滤
     bot_qq = str(global_config.bot.qq_account or "")
 
@@ -254,9 +252,7 @@ async def get_social_network(year: int = 2025) -> SocialNetworkData:
                 fn.COUNT(Messages.id).alias("count"),
             )
             .where(
-                (Messages.time >= start_ts)
-                & (Messages.time <= end_ts)
-                & (Messages.chat_info_group_id.is_null(False))
+                (Messages.time >= start_ts) & (Messages.time <= end_ts) & (Messages.chat_info_group_id.is_null(False))
             )
             .group_by(Messages.chat_info_group_id)
             .order_by(fn.COUNT(Messages.id).desc())
@@ -302,22 +298,14 @@ async def get_social_network(year: int = 2025) -> SocialNetworkData:
         # 4. 被@次数
         data.at_count = (
             Messages.select()
-            .where(
-                (Messages.time >= start_ts)
-                & (Messages.time <= end_ts)
-                & (Messages.is_at == True)
-            )
+            .where((Messages.time >= start_ts) & (Messages.time <= end_ts) & (Messages.is_at == True))
             .count()
         )
 
         # 5. 被提及次数
         data.mentioned_count = (
             Messages.select()
-            .where(
-                (Messages.time >= start_ts)
-                & (Messages.time <= end_ts)
-                & (Messages.is_mentioned == True)
-            )
+            .where((Messages.time >= start_ts) & (Messages.time <= end_ts) & (Messages.is_mentioned == True))
             .count()
         )
 
@@ -329,8 +317,7 @@ async def get_social_network(year: int = 2025) -> SocialNetworkData:
                 (ChatStreams.last_active_time - ChatStreams.create_time).alias("duration"),
             )
             .where(
-                (ChatStreams.user_id.is_null(False))
-                & (ChatStreams.user_id != bot_qq)  # 过滤 bot 自身
+                (ChatStreams.user_id.is_null(False)) & (ChatStreams.user_id != bot_qq)  # 过滤 bot 自身
             )
             .order_by((ChatStreams.last_active_time - ChatStreams.create_time).desc())
             .limit(1)
@@ -451,20 +438,21 @@ async def get_brain_power(year: int = 2025) -> BrainPowerData:
             .order_by(fn.COUNT(LLMUsage.id).desc())
             .limit(5)
         )
-        data.top_reply_models = [
-            {"model": row["model"], "count": row["count"]}
-            for row in reply_model_query.dicts()
-        ]
+        data.top_reply_models = [{"model": row["model"], "count": row["count"]} for row in reply_model_query.dicts()]
 
         # 6. 高冷指数 (沉默率) - 基于 ActionRecords
-        total_actions = ActionRecords.select().where(
-            (ActionRecords.time >= start_ts) & (ActionRecords.time <= end_ts)
-        ).count()
-        no_reply_count = ActionRecords.select().where(
-            (ActionRecords.time >= start_ts)
-            & (ActionRecords.time <= end_ts)
-            & (ActionRecords.action_name == "no_reply")
-        ).count()
+        total_actions = (
+            ActionRecords.select().where((ActionRecords.time >= start_ts) & (ActionRecords.time <= end_ts)).count()
+        )
+        no_reply_count = (
+            ActionRecords.select()
+            .where(
+                (ActionRecords.time >= start_ts)
+                & (ActionRecords.time <= end_ts)
+                & (ActionRecords.action_name == "no_reply")
+            )
+            .count()
+        )
         data.total_actions = total_actions
         data.no_reply_count = no_reply_count
         data.silence_rate = round(no_reply_count / total_actions * 100, 2) if total_actions > 0 else 0
@@ -473,11 +461,7 @@ async def get_brain_power(year: int = 2025) -> BrainPowerData:
         interest_query = Messages.select(
             fn.AVG(Messages.interest_value).alias("avg_interest"),
             fn.MAX(Messages.interest_value).alias("max_interest"),
-        ).where(
-            (Messages.time >= start_ts)
-            & (Messages.time <= end_ts)
-            & (Messages.interest_value.is_null(False))
-        )
+        ).where((Messages.time >= start_ts) & (Messages.time <= end_ts) & (Messages.interest_value.is_null(False)))
         interest_result = interest_query.dicts().get()
         data.avg_interest_value = round(float(interest_result.get("avg_interest") or 0), 2)
         data.max_interest_value = round(float(interest_result.get("max_interest") or 0), 2)
@@ -494,19 +478,14 @@ async def get_brain_power(year: int = 2025) -> BrainPowerData:
                 .first()
             )
             if max_interest_msg:
-                data.max_interest_time = datetime.fromtimestamp(max_interest_msg.time).strftime(
-                    "%Y-%m-%d %H:%M:%S"
-                )
+                data.max_interest_time = datetime.fromtimestamp(max_interest_msg.time).strftime("%Y-%m-%d %H:%M:%S")
 
         # 7. 思考深度 (基于 action_reasoning 长度)
-        reasoning_records = (
-            ActionRecords.select(ActionRecords.action_reasoning, ActionRecords.time)
-            .where(
-                (ActionRecords.time >= start_ts)
-                & (ActionRecords.time <= end_ts)
-                & (ActionRecords.action_reasoning.is_null(False))
-                & (ActionRecords.action_reasoning != "")
-            )
+        reasoning_records = ActionRecords.select(ActionRecords.action_reasoning, ActionRecords.time).where(
+            (ActionRecords.time >= start_ts)
+            & (ActionRecords.time <= end_ts)
+            & (ActionRecords.action_reasoning.is_null(False))
+            & (ActionRecords.action_reasoning != "")
         )
         reasoning_lengths = []
         max_len = 0
@@ -518,7 +497,7 @@ async def get_brain_power(year: int = 2025) -> BrainPowerData:
                 if length > max_len:
                     max_len = length
                     max_len_time = record.time
-        
+
         if reasoning_lengths:
             data.avg_reasoning_length = round(sum(reasoning_lengths) / len(reasoning_lengths), 1)
             data.max_reasoning_length = max_len
@@ -537,10 +516,10 @@ async def get_brain_power(year: int = 2025) -> BrainPowerData:
 async def get_expression_vibe(year: int = 2025) -> ExpressionVibeData:
     """获取个性与表达数据"""
     from src.config.config import global_config
-    
+
     data = ExpressionVibeData()
     start_ts, end_ts = get_year_time_range(year)
-    
+
     # 获取 bot 自身的 QQ 账号，用于筛选 bot 发送的消息
     bot_qq = str(global_config.bot.qq_account or "")
 
@@ -578,17 +557,13 @@ async def get_expression_vibe(year: int = 2025) -> ExpressionVibeData:
                 Expression.style,
                 fn.SUM(Expression.count).alias("total_count"),
             )
-            .where(
-                (Expression.last_active_time >= start_ts)
-                & (Expression.last_active_time <= end_ts)
-            )
+            .where((Expression.last_active_time >= start_ts) & (Expression.last_active_time <= end_ts))
             .group_by(Expression.style)
             .order_by(fn.SUM(Expression.count).desc())
             .limit(5)
         )
         data.top_expressions = [
-            {"style": row["style"], "count": row["total_count"]}
-            for row in expression_query.dicts()
+            {"style": row["style"], "count": row["total_count"]} for row in expression_query.dicts()
         ]
 
         # 3. 被拒绝的表达
@@ -616,18 +591,22 @@ async def get_expression_vibe(year: int = 2025) -> ExpressionVibeData:
         # 5. 表达总数
         data.total_expressions = (
             Expression.select()
-            .where(
-                (Expression.last_active_time >= start_ts)
-                & (Expression.last_active_time <= end_ts)
-            )
+            .where((Expression.last_active_time >= start_ts) & (Expression.last_active_time <= end_ts))
             .count()
         )
 
         # 6. 动作类型分布 (过滤无意义的动作)
         # 过滤掉: no_reply_until_call, make_question, no_action, wait, complete_talk, listening, block_and_ignore
         excluded_actions = [
-            "reply", "no_reply", "no_reply_until_call", "make_question", 
-            "no_action", "wait", "complete_talk", "listening", "block_and_ignore"
+            "reply",
+            "no_reply",
+            "no_reply_until_call",
+            "make_question",
+            "no_action",
+            "wait",
+            "complete_talk",
+            "listening",
+            "block_and_ignore",
         ]
         action_query = (
             ActionRecords.select(
@@ -643,38 +622,31 @@ async def get_expression_vibe(year: int = 2025) -> ExpressionVibeData:
             .order_by(fn.COUNT(ActionRecords.id).desc())
             .limit(10)
         )
-        data.action_types = [
-            {"action": row["action_name"], "count": row["count"]}
-            for row in action_query.dicts()
-        ]
+        data.action_types = [{"action": row["action_name"], "count": row["count"]} for row in action_query.dicts()]
 
         # 7. 处理的图片数量
         data.image_processed_count = (
             Messages.select()
-            .where(
-                (Messages.time >= start_ts)
-                & (Messages.time <= end_ts)
-                & (Messages.is_picid == True)
-            )
+            .where((Messages.time >= start_ts) & (Messages.time <= end_ts) & (Messages.is_picid == True))
             .count()
         )
 
         # 8. 深夜还在回复 (0-6点最晚的10条消息中随机抽取一条)
         import random
         import re
-        
+
         def clean_message_content(content: str) -> str:
             """清理消息内容，移除回复引用等标记"""
             if not content:
                 return ""
             # 移除 [回复<xxx:xxx> 的消息：...] 格式的引用
-            content = re.sub(r'\[回复<[^>]+>\s*的消息[：:][^\]]*\]', '', content)
+            content = re.sub(r"\[回复<[^>]+>\s*的消息[：:][^\]]*\]", "", content)
             # 移除 [图片] [表情] 等标记
-            content = re.sub(r'\[(图片|表情|语音|视频|文件)\]', '', content)
+            content = re.sub(r"\[(图片|表情|语音|视频|文件)\]", "", content)
             # 移除多余的空白
-            content = re.sub(r'\s+', ' ', content).strip()
+            content = re.sub(r"\s+", " ", content).strip()
             return content
-        
+
         # 使用 user_id 判断是否是 bot 发送的消息
         late_night_messages = list(
             Messages.select(
@@ -683,9 +655,7 @@ async def get_expression_vibe(year: int = 2025) -> ExpressionVibeData:
                 Messages.display_message,
             )
             .where(
-                (Messages.time >= start_ts)
-                & (Messages.time <= end_ts)
-                & (Messages.user_id == bot_qq)  # bot 发送的消息
+                (Messages.time >= start_ts) & (Messages.time <= end_ts) & (Messages.user_id == bot_qq)  # bot 发送的消息
             )
             .order_by(Messages.time.desc())
         )
@@ -699,16 +669,18 @@ async def get_expression_vibe(year: int = 2025) -> ExpressionVibeData:
                 cleaned_content = clean_message_content(raw_content)
                 # 只保留有意义的内容
                 if cleaned_content and len(cleaned_content) > 2:
-                    late_night_filtered.append({
-                        "time": msg.time,
-                        "hour": hour,
-                        "minute": msg_dt.minute,
-                        "content": cleaned_content,
-                        "datetime_str": msg_dt.strftime("%H:%M"),
-                    })
+                    late_night_filtered.append(
+                        {
+                            "time": msg.time,
+                            "hour": hour,
+                            "minute": msg_dt.minute,
+                            "content": cleaned_content,
+                            "datetime_str": msg_dt.strftime("%H:%M"),
+                        }
+                    )
             if len(late_night_filtered) >= 10:
                 break
-        
+
         if late_night_filtered:
             selected = random.choice(late_night_filtered)
             content = selected["content"][:50] + "..." if len(selected["content"]) > 50 else selected["content"]
@@ -720,18 +692,15 @@ async def get_expression_vibe(year: int = 2025) -> ExpressionVibeData:
         # 9. 最喜欢的回复（按 action_data 统计回复内容出现次数）
         from collections import Counter
         import json as json_lib
-        
-        reply_records = (
-            ActionRecords.select(ActionRecords.action_data)
-            .where(
-                (ActionRecords.time >= start_ts)
-                & (ActionRecords.time <= end_ts)
-                & (ActionRecords.action_name == "reply")
-                & (ActionRecords.action_data.is_null(False))
-                & (ActionRecords.action_data != "")
-            )
+
+        reply_records = ActionRecords.select(ActionRecords.action_data).where(
+            (ActionRecords.time >= start_ts)
+            & (ActionRecords.time <= end_ts)
+            & (ActionRecords.action_name == "reply")
+            & (ActionRecords.action_data.is_null(False))
+            & (ActionRecords.action_data != "")
         )
-        
+
         reply_contents = []
         for record in reply_records:
             try:
@@ -748,11 +717,12 @@ async def get_expression_vibe(year: int = 2025) -> ExpressionVibeData:
                             content = parsed
                     except (json_lib.JSONDecodeError, TypeError):
                         pass
-                    
+
                     # 如果 JSON 解析失败，尝试解析 Python 字典字符串格式
                     # 例如: "{'reply_text': '墨白灵不知道哦'}"
                     if content is None:
                         import ast
+
                         try:
                             parsed = ast.literal_eval(action_data)
                             if isinstance(parsed, dict):
@@ -762,13 +732,13 @@ async def get_expression_vibe(year: int = 2025) -> ExpressionVibeData:
                         except (ValueError, SyntaxError):
                             # 无法解析，使用原始字符串
                             content = action_data
-                    
+
                     # 只统计有意义的回复（长度大于2）
                     if content and len(content) > 2:
                         reply_contents.append(content)
             except Exception:
                 continue
-        
+
         if reply_contents:
             content_counter = Counter(reply_contents)
             most_common = content_counter.most_common(1)
@@ -817,20 +787,12 @@ async def get_achievements(year: int = 2025) -> AchievementData:
         ]
 
         # 3. 总消息数
-        data.total_messages = (
-            Messages.select()
-            .where((Messages.time >= start_ts) & (Messages.time <= end_ts))
-            .count()
-        )
+        data.total_messages = Messages.select().where((Messages.time >= start_ts) & (Messages.time <= end_ts)).count()
 
         # 4. 总回复数 (有 reply_to 的消息)
         data.total_replies = (
             Messages.select()
-            .where(
-                (Messages.time >= start_ts)
-                & (Messages.time <= end_ts)
-                & (Messages.reply_to.is_null(False))
-            )
+            .where((Messages.time >= start_ts) & (Messages.time <= end_ts) & (Messages.reply_to.is_null(False)))
             .count()
         )
 
@@ -856,9 +818,9 @@ async def get_full_annual_report(year: int = 2025, _auth: bool = Depends(require
     """
     try:
         from src.config.config import global_config
-        
+
         logger.info(f"开始生成 {year} 年度报告...")
-        
+
         # 获取 bot 名称
         bot_name = global_config.bot.nickname or "麦麦"
 
diff --git a/src/webui/routers/chat.py b/src/webui/routers/chat.py
index c7f847ea..f666e85c 100644
--- a/src/webui/routers/chat.py
+++ b/src/webui/routers/chat.py
@@ -10,6 +10,7 @@ import uuid
 from typing import Dict, Any, Optional, List
 from fastapi import APIRouter, WebSocket, WebSocketDisconnect, Query, Depends, Cookie, Header
 from pydantic import BaseModel
+from sqlalchemy import case, func as fn
 
 from src.common.logger import get_logger
 from src.common.database.database_model import Messages, PersonInfo
@@ -290,8 +291,6 @@ async def get_available_platforms(_auth: bool = Depends(require_auth)):
     从 PersonInfo 表中获取所有已知的平台
     """
     try:
-        from peewee import fn
-
         # 查询所有不同的平台
         platforms = (
             PersonInfo.select(PersonInfo.platform, fn.COUNT(PersonInfo.id).alias("count"))
@@ -337,9 +336,7 @@ async def get_persons_by_platform(
             )
 
         # 按最后交互时间排序，优先显示活跃用户
-        from peewee import Case
-
-        query = query.order_by(Case(None, [(PersonInfo.last_know.is_null(), 1)], 0), PersonInfo.last_know.desc())
+        query = query.order_by(case((PersonInfo.last_know.is_null(), 1), else_=0), PersonInfo.last_know.desc())
         query = query.limit(limit)
 
         result = []
diff --git a/src/webui/routers/expression.py b/src/webui/routers/expression.py
index 1e78d982..67495263 100644
--- a/src/webui/routers/expression.py
+++ b/src/webui/routers/expression.py
@@ -3,6 +3,7 @@
 from fastapi import APIRouter, HTTPException, Header, Query, Cookie
 from pydantic import BaseModel
 from typing import Optional, List, Dict
+from sqlalchemy import case
 from src.common.logger import get_logger
 from src.common.database.database_model import Expression, ChatStreams
 from src.webui.core import verify_auth_token_from_cookie_or_header
@@ -231,10 +232,8 @@ async def get_expression_list(
             query = query.where(Expression.chat_id == chat_id)
 
         # 排序：最后活跃时间倒序（NULL 值放在最后）
-        from peewee import Case
-
         query = query.order_by(
-            Case(None, [(Expression.last_active_time.is_null(), 1)], 0), Expression.last_active_time.desc()
+            case((Expression.last_active_time.is_null(), 1), else_=0), Expression.last_active_time.desc()
         )
 
         # 获取总数
@@ -641,9 +640,7 @@ async def get_review_list(
             query = query.where(Expression.chat_id == chat_id)
 
         # 排序：创建时间倒序
-        from peewee import Case
-
-        query = query.order_by(Case(None, [(Expression.create_date.is_null(), 1)], 0), Expression.create_date.desc())
+        query = query.order_by(case((Expression.create_date.is_null(), 1), else_=0), Expression.create_date.desc())
 
         total = query.count()
         offset = (page - 1) * page_size
diff --git a/src/webui/routers/jargon.py b/src/webui/routers/jargon.py
index 8d372688..cca15c3b 100644
--- a/src/webui/routers/jargon.py
+++ b/src/webui/routers/jargon.py
@@ -4,7 +4,7 @@ import json
 from typing import Optional, List, Annotated
 from fastapi import APIRouter, HTTPException, Query
 from pydantic import BaseModel, Field
-from peewee import fn
+from sqlalchemy import func as fn
 
 from src.common.logger import get_logger
 from src.common.database.database_model import Jargon, ChatStreams
diff --git a/src/webui/routers/person.py b/src/webui/routers/person.py
index 1368c2a4..de3b8587 100644
--- a/src/webui/routers/person.py
+++ b/src/webui/routers/person.py
@@ -3,6 +3,7 @@
 from fastapi import APIRouter, HTTPException, Header, Query, Cookie
 from pydantic import BaseModel
 from typing import Optional, List, Dict
+from sqlalchemy import case
 from src.common.logger import get_logger
 from src.common.database.database_model import PersonInfo
 from src.webui.core import verify_auth_token_from_cookie_or_header
@@ -176,9 +177,7 @@ async def get_person_list(
 
         # 排序：最后更新时间倒序（NULL 值放在最后）
         # Peewee 不支持 nulls_last，使用 CASE WHEN 来实现
-        from peewee import Case
-
-        query = query.order_by(Case(None, [(PersonInfo.last_know.is_null(), 1)], 0), PersonInfo.last_know.desc())
+        query = query.order_by(case((PersonInfo.last_know.is_null(), 1), else_=0), PersonInfo.last_know.desc())
 
         # 获取总数
         total = query.count()
diff --git a/src/webui/routers/statistics.py b/src/webui/routers/statistics.py
index 40770bd6..da49883d 100644
--- a/src/webui/routers/statistics.py
+++ b/src/webui/routers/statistics.py
@@ -4,7 +4,7 @@ from fastapi import APIRouter, HTTPException, Depends, Cookie, Header
 from pydantic import BaseModel, Field
 from typing import Dict, Any, List, Optional
 from datetime import datetime, timedelta
-from peewee import fn
+from sqlalchemy import func as fn
 
 from src.common.logger import get_logger
 from src.common.database.database_model import LLMUsage, OnlineTime, Messages