diff --git a/apps/application/migrations/0001_initial.py b/apps/application/migrations/0001_initial.py
index bd35e0d31..b7905bb58 100644
--- a/apps/application/migrations/0001_initial.py
+++ b/apps/application/migrations/0001_initial.py
@@ -153,7 +153,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='application',
             name='folder',
-            field=models.ForeignKey(default='root', on_delete=django.db.models.deletion.DO_NOTHING,
+            field=models.ForeignKey(default='default', on_delete=django.db.models.deletion.DO_NOTHING,
                                     to='application.applicationfolder', verbose_name='文件夹id'),
         ),
         migrations.CreateModel(
diff --git a/apps/application/models/application.py b/apps/application/models/application.py
index 69bc9cb1c..aa9ca9415 100644
--- a/apps/application/models/application.py
+++ b/apps/application/models/application.py
@@ -59,7 +59,7 @@ def get_model_setting_dict():
 class Application(AppModelMixin):
     id = models.UUIDField(primary_key=True, max_length=128, default=uuid.uuid7, editable=False, verbose_name="主键id")
     workspace_id = models.CharField(max_length=64, verbose_name="工作空间id", default="default", db_index=True)
-    folder = models.ForeignKey(ApplicationFolder, on_delete=models.DO_NOTHING, verbose_name="文件夹id", default='root')
+    folder = models.ForeignKey(ApplicationFolder, on_delete=models.DO_NOTHING, verbose_name="文件夹id", default='default')
     is_publish = models.BooleanField(verbose_name="是否发布", default=False)
     name = models.CharField(max_length=128, verbose_name="应用名称")
     desc = models.CharField(max_length=512, verbose_name="引用描述", default="")
diff --git a/apps/knowledge/migrations/0001_initial.py b/apps/knowledge/migrations/0001_initial.py
index 8f3d0dd71..a06218db8 100644
--- a/apps/knowledge/migrations/0001_initial.py
+++ b/apps/knowledge/migrations/0001_initial.py
@@ -107,7 +107,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='knowledge',
             name='folder',
-            field=models.ForeignKey(default='root', on_delete=django.db.models.deletion.DO_NOTHING, to='knowledge.knowledgefolder', verbose_name='文件夹id'),
+            field=models.ForeignKey(default='default', on_delete=django.db.models.deletion.DO_NOTHING, to='knowledge.knowledgefolder', verbose_name='文件夹id'),
         ),
         migrations.CreateModel(
             name='Paragraph',
diff --git a/apps/knowledge/models/knowledge.py b/apps/knowledge/models/knowledge.py
index b7aeb9cbd..bf923deeb 100644
--- a/apps/knowledge/models/knowledge.py
+++ b/apps/knowledge/models/knowledge.py
@@ -127,7 +127,7 @@ class Knowledge(AppModelMixin):
     type = models.IntegerField(verbose_name='类型', choices=KnowledgeType.choices, default=KnowledgeType.BASE)
     scope = models.CharField(max_length=20, verbose_name='可用范围', choices=KnowledgeScope.choices,
                              default=KnowledgeScope.WORKSPACE)
-    folder = models.ForeignKey(KnowledgeFolder, on_delete=models.DO_NOTHING, verbose_name="文件夹id", default='root')
+    folder = models.ForeignKey(KnowledgeFolder, on_delete=models.DO_NOTHING, verbose_name="文件夹id", default='default')
     embedding_model = models.ForeignKey(Model, on_delete=models.DO_NOTHING, verbose_name="向量模型",
                                         default=default_model)
     file_size_limit = models.IntegerField(verbose_name="文件大小限制", default=100)
diff --git a/apps/tools/migrations/0001_initial.py b/apps/tools/migrations/0001_initial.py
index 6b629180d..77dc4c061 100644
--- a/apps/tools/migrations/0001_initial.py
+++ b/apps/tools/migrations/0001_initial.py
@@ -65,7 +65,7 @@ class Migration(migrations.Migration):
                 ('workspace_id', models.CharField(db_index=True, default='default', max_length=64, verbose_name='工作空间id')),
                 ('init_params', models.CharField(max_length=102400, null=True, verbose_name='初始化参数')),
                 ('user', models.ForeignKey(on_delete=django.db.models.deletion.DO_NOTHING, to='users.user', verbose_name='用户id')),
-                ('folder', models.ForeignKey(default='root', on_delete=django.db.models.deletion.DO_NOTHING, to='tools.toolfolder', verbose_name='文件夹id')),
+                ('folder', models.ForeignKey(default='default', on_delete=django.db.models.deletion.DO_NOTHING, to='tools.toolfolder', verbose_name='文件夹id')),
             ],
             options={
                 'db_table': 'tool',
diff --git a/apps/tools/models/tool.py b/apps/tools/models/tool.py
index 6115e37fc..4fc9f90e4 100644
--- a/apps/tools/models/tool.py
+++ b/apps/tools/models/tool.py
@@ -48,7 +48,7 @@ class Tool(AppModelMixin):
     tool_type = models.CharField(max_length=20, verbose_name='工具类型', choices=ToolType.choices,
                                      default=ToolType.CUSTOM, db_index=True)
     template_id = models.UUIDField(max_length=128, verbose_name="模版id", null=True, default=None)
-    folder = models.ForeignKey(ToolFolder, on_delete=models.DO_NOTHING, verbose_name="文件夹id", default='root')
+    folder = models.ForeignKey(ToolFolder, on_delete=models.DO_NOTHING, verbose_name="文件夹id", default='default')
     workspace_id = models.CharField(max_length=64, verbose_name="工作空间id", default="default", db_index=True)
     init_params = models.CharField(max_length=102400, verbose_name="初始化参数", null=True)