diff --git a/.kiro/hooks/python-code-style-check.kiro.hook b/.kiro/hooks/python-code-style-check.kiro.hook
deleted file mode 100644
index f0acf4b..0000000
--- a/.kiro/hooks/python-code-style-check.kiro.hook
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-  "enabled": true,
-  "name": "Python代码风格检查",
-  "description": "写 Python 代码前，提醒严格遵守 Python 端代码开发风格文档中的规范",
-  "version": "1",
-  "when": {
-    "type": "preToolUse",
-    "toolTypes": [
-      "write"
-    ]
-  },
-  "then": {
-    "type": "askAgent",
-    "prompt": "写 Python 代码前请严格遵守 offerpie_python_ai/.kiro/steering/代码开发风格文档.md 中的所有规范。特别注意：紧凑风格（链式调用尽量一行）、所有函数必须有类型注解、模块级 docstring 说明用途/依赖/使用表、异步规范（async/await）、AI 输出统一用 parse_llm_json 解析。"
-  }
-}
\ No newline at end of file
diff --git a/app/models/func_permission.py b/app/models/func_permission.py
index f328e23..63cf319 100644
--- a/app/models/func_permission.py
+++ b/app/models/func_permission.py
@@ -13,7 +13,7 @@ class FuncPermission(Base):
     __tablename__ = "bg_func_permission"
 
     id: Mapped[int] = mapped_column(BigInteger, primary_key=True)
-    func_code: Mapped[str] = mapped_column(String(12), nullable=False, comment="权限编码")
+    func_code: Mapped[str] = mapped_column(String(36), nullable=False, comment="权限编码")
     func_name: Mapped[str] = mapped_column(String(64), nullable=False, comment="功能名称")
     daily_free_count: Mapped[int] = mapped_column(Integer, default=0, comment="每日免费次数，0表示无免费额度")
     status: Mapped[int] = mapped_column(Integer, default=1, comment="状态 1=启用 0=禁用")
diff --git a/app/models/user_func_permission_stock.py b/app/models/user_func_permission_stock.py
index 2978519..2a6d1a8 100644
--- a/app/models/user_func_permission_stock.py
+++ b/app/models/user_func_permission_stock.py
@@ -15,7 +15,7 @@ class UserFuncPermissionStock(Base):
 
     id: Mapped[int] = mapped_column(BigInteger, primary_key=True)
     user_id: Mapped[int] = mapped_column(BigInteger, nullable=False, comment="用户ID")
-    func_code: Mapped[str] = mapped_column(String(12), nullable=False, comment="权限编码")
+    func_code: Mapped[str] = mapped_column(String(36), nullable=False, comment="权限编码")
     time_limit: Mapped[int] = mapped_column(Integer, default=0, comment="0=不限时 1=限时")
     count_limit: Mapped[int] = mapped_column(Integer, default=0, comment="0=不限次 1=限次")
     expire_time: Mapped[Optional[datetime]] = mapped_column(DateTime, nullable=True, comment="过期时间")
diff --git a/app/models/user_func_usage_log.py b/app/models/user_func_usage_log.py
index cd4372b..e7de571 100644
--- a/app/models/user_func_usage_log.py
+++ b/app/models/user_func_usage_log.py
@@ -12,7 +12,7 @@ class UserFuncUsageLog(Base):
     """用户功能使用记录表 bg_user_func_usage_log"""
     __tablename__ = "bg_user_func_usage_log"
 
-    id: Mapped[int] = mapped_column(BigInteger, primary_key=True, autoincrement=True)
+    id: Mapped[int] = mapped_column(BigInteger, primary_key=True, autoincrement=False)
     user_id: Mapped[int] = mapped_column(BigInteger, nullable=False, comment="用户ID")
-    func_code: Mapped[str] = mapped_column(String(12), nullable=False, comment="功能编码")
+    func_code: Mapped[str] = mapped_column(String(36), nullable=False, comment="功能编码")
     create_time: Mapped[datetime] = mapped_column(DateTime, default=datetime.now, comment="使用时间")
diff --git a/app/services/func_permission_service.py b/app/services/func_permission_service.py
index 716e568..f996d8b 100644
--- a/app/services/func_permission_service.py
+++ b/app/services/func_permission_service.py
@@ -13,6 +13,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 from app.models.func_permission import FuncPermission
 from app.models.user_func_permission_stock import UserFuncPermissionStock
 from app.models.user_func_usage_log import UserFuncUsageLog
+from app.tool.snowflake import next_id
 
 
 class FuncPermissionService:
@@ -75,7 +76,7 @@ class FuncPermissionService:
 
     async def _insert_usage_log(self, user_id: int, func_code: str) -> int:
         """插入使用记录，返回记录ID"""
-        usage_log = UserFuncUsageLog(user_id=user_id, func_code=func_code)
+        usage_log = UserFuncUsageLog(id=next_id(), user_id=user_id, func_code=func_code)
         self.session.add(usage_log)
         await self.session.flush()
         return usage_log.id