diff --git a/EMPTY_COMMIT.txt b/EMPTY_COMMIT.txt
new file mode 100644
index 000000000..cd5f7fe0b
--- /dev/null
+++ b/EMPTY_COMMIT.txt
@@ -0,0 +1 @@
+retrigger3
\ No newline at end of file
diff --git a/alembic/versions/034_add_confirm_generation_fields.py b/alembic/versions/034_add_confirm_generation_fields.py
deleted file mode 100644
index 3782fabdb..000000000
--- a/alembic/versions/034_add_confirm_generation_fields.py
+++ /dev/null
@@ -1,60 +0,0 @@
-"""Add confirm generation fields
-
-Revision ID: 034
-Revises: 033
-Create Date: 2026-07-08
-
-确认生成 API 改造：为 generation_tasks 表添加 is_preview、source_task_id、
-output_width、output_height、cover_url、custom_title 字段。
-"""
-
-import sqlalchemy as sa
-
-from alembic import op
-
-revision = "034"
-down_revision = "033"
-branch_labels = None
-depends_on = None
-
-
-def upgrade() -> None:
-    op.add_column(
-        "generation_tasks",
-        sa.Column("is_preview", sa.Boolean(), nullable=False, server_default=sa.true()),
-    )
-    op.add_column(
-        "generation_tasks",
-        sa.Column("source_task_id", sa.String(32), nullable=False, server_default=""),
-    )
-    op.add_column(
-        "generation_tasks",
-        sa.Column("output_width", sa.Integer(), nullable=False, server_default=sa.text("1280")),
-    )
-    op.add_column(
-        "generation_tasks",
-        sa.Column("output_height", sa.Integer(), nullable=False, server_default=sa.text("720")),
-    )
-    op.add_column(
-        "generation_tasks",
-        sa.Column("cover_url", sa.String(1000), nullable=False, server_default=""),
-    )
-    op.add_column(
-        "generation_tasks",
-        sa.Column("custom_title", sa.String(500), nullable=False, server_default=""),
-    )
-    op.create_index(
-        op.f("ix_generation_tasks_source_task_id"),
-        "generation_tasks",
-        ["source_task_id"],
-    )
-
-
-def downgrade() -> None:
-    op.drop_index(op.f("ix_generation_tasks_source_task_id"), table_name="generation_tasks")
-    op.drop_column("generation_tasks", "custom_title")
-    op.drop_column("generation_tasks", "cover_url")
-    op.drop_column("generation_tasks", "output_height")
-    op.drop_column("generation_tasks", "output_width")
-    op.drop_column("generation_tasks", "source_task_id")
-    op.drop_column("generation_tasks", "is_preview")