feat：订阅支持绑定下载器

database/versions/eaf9cbc49027_2_0_7.py

@@ -19,10 +19,13 @@ depends_on = None
 
 def upgrade() -> None:
     # ### commands auto generated by Alembic - please adjust! ###
-    # 站点管理增加下载器选项
-     with contextlib.suppress(Exception):
+    # 站点管理、订阅增加下载器选项
+    with contextlib.suppress(Exception):
         op.add_column('site', sa.Column('downloader', sa.String(), nullable=True))
-    # ### end Alembic commands ###
+        op.add_column('subscribe', sa.Column('downloader', sa.String(), nullable=True))
+
+
+# ### end Alembic commands ###
 
 def downgrade() -> None:
     pass