diff --git a/nonebot_bison/config/migrations/bdec8925b540_add_cookie.py b/nonebot_bison/config/migrations/bdec8925b540_add_cookie.py
deleted file mode 100644
index ac650f3..0000000
--- a/nonebot_bison/config/migrations/bdec8925b540_add_cookie.py
+++ /dev/null
@@ -1,63 +0,0 @@
-"""empty message
-
-Revision ID: bdec8925b540
-Revises: f9baef347cc8
-Create Date: 2024-08-22 20:53:08.850051
-
-"""
-
-import sqlalchemy as sa
-from alembic import op
-from sqlalchemy import Text
-from sqlalchemy.dialects import postgresql
-
-# revision identifiers, used by Alembic.
-revision = "bdec8925b540"
-down_revision = "f9baef347cc8"
-branch_labels = None
-depends_on = None
-
-
-def upgrade() -> None:
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table(
-        "nonebot_bison_cookie",
-        sa.Column("id", sa.Integer(), nullable=False),
-        sa.Column("user_id", sa.Integer(), nullable=False),
-        sa.Column("platform_name", sa.String(length=20), nullable=False),
-        sa.Column("content", sa.String(length=1024), nullable=False),
-        sa.Column("last_usage", sa.DateTime(), nullable=False),
-        sa.Column("status", sa.String(length=20), nullable=False),
-        sa.Column("tags", sa.JSON().with_variant(postgresql.JSONB(astext_type=Text()), "postgresql"), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["user_id"], ["nonebot_bison_user.id"], name=op.f("fk_nonebot_bison_cookie_user_id_nonebot_bison_user")
-        ),
-        sa.PrimaryKeyConstraint("id", name=op.f("pk_nonebot_bison_cookie")),
-    )
-    op.create_table(
-        "nonebot_bison_cookietarget",
-        sa.Column("id", sa.Integer(), nullable=False),
-        sa.Column("target_id", sa.Integer(), nullable=False),
-        sa.Column("cookie_id", sa.Integer(), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["cookie_id"],
-            ["nonebot_bison_cookie.id"],
-            name=op.f("fk_nonebot_bison_cookietarget_cookie_id_nonebot_bison_cookie"),
-            ondelete="CASCADE",
-        ),
-        sa.ForeignKeyConstraint(
-            ["target_id"],
-            ["nonebot_bison_target.id"],
-            name=op.f("fk_nonebot_bison_cookietarget_target_id_nonebot_bison_target"),
-            ondelete="CASCADE",
-        ),
-        sa.PrimaryKeyConstraint("id", name=op.f("pk_nonebot_bison_cookietarget")),
-    )
-    # ### end Alembic commands ###
-
-
-def downgrade() -> None:
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_table("nonebot_bison_cookietarget")
-    op.drop_table("nonebot_bison_cookie")
-    # ### end Alembic commands ###