添加对 PostgreSQL 的支持

app/db/models/userconfig.py

@@ -1,14 +1,14 @@
-from sqlalchemy import Column, Integer, String, Sequence, UniqueConstraint, Index, JSON
+from sqlalchemy import Column, String, UniqueConstraint, Index, JSON
 from sqlalchemy.orm import Session
 
-from app.db import db_query, db_update, Base
+from app.db import db_query, db_update, get_id_column, Base
 
 
 class UserConfig(Base):
     """
     用户配置表
     """
-    id = Column(Integer, Sequence('id'), primary_key=True, index=True)
+    id = get_id_column()
     # 用户名
     username = Column(String, index=True)
     # 配置键