diff --git a/apps/knowledge/migrations/0001_initial.py b/apps/knowledge/migrations/0001_initial.py
index 094cfff66..75a36f9b6 100644
--- a/apps/knowledge/migrations/0001_initial.py
+++ b/apps/knowledge/migrations/0001_initial.py
@@ -34,8 +34,8 @@ class Migration(migrations.Migration):
                 ('file_name', models.CharField(default='', max_length=256, verbose_name='文件名称')),
                 ('file_size', models.IntegerField(default=0, verbose_name='文件大小')),
                 ('sha256_hash', models.CharField(default='', verbose_name='文件sha256_hash标识')),
-                ('source_type', models.CharField(choices=[('KNOWLEDGE', 'Knowledge'), ('APPLICATION', 'Application'), ('TOOL', 'Tool'), ('DOCUMENT', 'Document'), ('TEMPORARY_30_MINUTE', 'Temporary 30 Minute'), ('TEMPORARY_100_MINUTE', 'Temporary 120 Minute'), ('TEMPORARY_1_DAY', 'Temporary 1 Day')], default='TEMPORARY_100_MINUTE', verbose_name='资源类型')),
-                ('source_id', models.CharField(default='TEMPORARY_100_MINUTE', verbose_name='资源id')),
+                ('source_type', models.CharField(choices=[('KNOWLEDGE', 'Knowledge'), ('APPLICATION', 'Application'), ('TOOL', 'Tool'), ('DOCUMENT', 'Document'), ('CHAT', 'Chat'), ('TEMPORARY_30_MINUTE', 'Temporary 30 Minute'), ('TEMPORARY_120_MINUTE', 'Temporary 120 Minute'), ('TEMPORARY_1_DAY', 'Temporary 1 Day')], default='TEMPORARY_120_MINUTE', verbose_name='资源类型')),
+                ('source_id', models.CharField(default='TEMPORARY_120_MINUTE', verbose_name='资源id')),
                 ('loid', models.IntegerField(verbose_name='loid')),
                 ('meta', models.JSONField(default=dict, verbose_name='文件关联数据')),
             ],