fix docker issue

app/models/base.py

@@ -66,20 +66,8 @@ class OCRImage(Base, TimestampMixin):
     status: Mapped[str] = mapped_column(
         String(20), default="pending", comment="状态: pending/processing/completed/failed"
     )
-    tags: Mapped[str | None] = mapped_column(Text, nullable=True, comment="关键词标签（JSON 数组）")
-    story_summary: Mapped[str | None] = mapped_column(Text, nullable=True, comment="故事摘要")
     blocks: Mapped[str | None] = mapped_column(Text, nullable=True, comment="OCR 文本块（JSON）")
 
-    @property
-    def tags_list(self) -> list[str]:
-        if self.tags is None:
-            return []
-        return json.loads(self.tags)
-
-    @tags_list.setter
-    def tags_list(self, value: list[str]):
-        self.tags = json.dumps(value) if value else None
-
     @property
     def blocks_list(self) -> list[dict]:
         if self.blocks is None: