diff --git a/backend/app/generator/model/gen_business.py b/backend/app/generator/model/gen_business.py
index 3772d16e..bcb3757a 100644
--- a/backend/app/generator/model/gen_business.py
+++ b/backend/app/generator/model/gen_business.py
@@ -20,7 +20,7 @@ class GenBusiness(Base):
     table_comment: Mapped[str | None] = mapped_column(String(255), default=None, comment='表描述')
     # relate_model_fk: Mapped[int | None] = mapped_column(default=None, comment='关联表外键')
     schema_name: Mapped[str | None] = mapped_column(String(255), default=None, comment='Schema 名称 (默认为英文表名称)')
-    have_datetime_column: Mapped[bool] = mapped_column(default=True, comment='是否存在默认时间列')
+    default_datetime_column: Mapped[bool] = mapped_column(default=True, comment='是否存在默认时间列')
     api_version: Mapped[str] = mapped_column(String(20), default='v1', comment='代码生成 api 版本，默认为 v1')
     gen_path: Mapped[str | None] = mapped_column(String(255), default=None, comment='代码生成路径（默认为 app 根路径）')
     remark: Mapped[str | None] = mapped_column(LONGTEXT, default=None, comment='备注')
diff --git a/backend/app/generator/schema/gen_business.py b/backend/app/generator/schema/gen_business.py
index 9ffe9b0c..35257d79 100644
--- a/backend/app/generator/schema/gen_business.py
+++ b/backend/app/generator/schema/gen_business.py
@@ -14,7 +14,7 @@ class GenBusinessSchemaBase(SchemaBase):
     table_simple_name_zh: str
     table_comment: str | None = None
     schema_name: str | None = None
-    have_datetime_column: bool = Field(default=False)
+    default_datetime_column: bool = Field(default=True)
     api_version: str = Field(default='v1')
     gen_path: str | None = None
     remark: str | None = None
diff --git a/backend/utils/gen_template.py b/backend/utils/gen_template.py
index 90ceee24..7a9c4971 100644
--- a/backend/utils/gen_template.py
+++ b/backend/utils/gen_template.py
@@ -79,7 +79,7 @@ class GenTemplate:
             'table_simple_name_zh': business.table_simple_name_zh,
             'table_comment': business.table_comment,
             'schema_name': to_pascal(business.schema_name),
-            'have_datetime_column': business.have_datetime_column,
+            'have_datetime_column': business.default_datetime_column,
             'permission_sign': str(business.table_name_en.replace('_', ':')),
             'models': models,
         }