diff --git a/api/commands.py b/api/commands.py
index e7f54c7cc0..ea82fef397 100644
--- a/api/commands.py
+++ b/api/commands.py
@@ -26,6 +26,7 @@ from models.dataset import Document as DatasetDocument
 from models.model import Account, App, AppAnnotationSetting, AppMode, Conversation, MessageAnnotation
 from models.provider import Provider, ProviderModel
 from services.account_service import RegisterService, TenantService
+from services.clear_free_plan_tenant_expired_logs import ClearFreePlanTenantExpiredLogs
 from services.plugin.data_migration import PluginDataMigration
 from services.plugin.plugin_migration import PluginMigration
 
@@ -792,3 +793,23 @@ def install_plugins(input_file: str, output_file: str, workers: int):
     PluginMigration.install_plugins(input_file, output_file, workers)
 
     click.echo(click.style("Install plugins completed.", fg="green"))
+
+
+@click.command("clear-free-plan-tenant-expired-logs", help="Clear free plan tenant expired logs.")
+@click.option("--days", prompt=True, help="The days to clear free plan tenant expired logs.", default=30)
+@click.option("--batch", prompt=True, help="The batch size to clear free plan tenant expired logs.", default=100)
+@click.option(
+    "--tenant_ids",
+    prompt=True,
+    multiple=True,
+    help="The tenant ids to clear free plan tenant expired logs.",
+)
+def clear_free_plan_tenant_expired_logs(days: int, batch: int, tenant_ids: list[str]):
+    """
+    Clear free plan tenant expired logs.
+    """
+    click.echo(click.style("Starting clear free plan tenant expired logs.", fg="white"))
+
+    ClearFreePlanTenantExpiredLogs.process(days, batch, tenant_ids)
+
+    click.echo(click.style("Clear free plan tenant expired logs completed.", fg="green"))
diff --git a/api/extensions/ext_commands.py b/api/extensions/ext_commands.py
index 92996f75e5..be43f55ea7 100644
--- a/api/extensions/ext_commands.py
+++ b/api/extensions/ext_commands.py
@@ -4,6 +4,7 @@ from dify_app import DifyApp
 def init_app(app: DifyApp):
     from commands import (
         add_qdrant_index,
+        clear_free_plan_tenant_expired_logs,
         convert_to_agent_apps,
         create_tenant,
         extract_plugins,
@@ -34,6 +35,7 @@ def init_app(app: DifyApp):
         extract_unique_plugins,
         install_plugins,
         old_metadata_migration,
+        clear_free_plan_tenant_expired_logs,
     ]
     for cmd in cmds_to_register:
         app.cli.add_command(cmd)
diff --git a/api/models/model.py b/api/models/model.py
index 0a5256c335..05bc1fd301 100644
--- a/api/models/model.py
+++ b/api/models/model.py
@@ -838,6 +838,33 @@ class Conversation(db.Model):  # type: ignore[name-defined]
     def in_debug_mode(self):
         return self.override_model_configs is not None
 
+    def to_dict(self):
+        return {
+            "id": self.id,
+            "app_id": self.app_id,
+            "app_model_config_id": self.app_model_config_id,
+            "model_provider": self.model_provider,
+            "override_model_configs": self.override_model_configs,
+            "model_id": self.model_id,
+            "mode": self.mode,
+            "name": self.name,
+            "summary": self.summary,
+            "inputs": self.inputs,
+            "introduction": self.introduction,
+            "system_instruction": self.system_instruction,
+            "system_instruction_tokens": self.system_instruction_tokens,
+            "status": self.status,
+            "invoke_from": self.invoke_from,
+            "from_source": self.from_source,
+            "from_end_user_id": self.from_end_user_id,
+            "from_account_id": self.from_account_id,
+            "read_at": self.read_at,
+            "read_account_id": self.read_account_id,
+            "dialogue_count": self.dialogue_count,
+            "created_at": self.created_at,
+            "updated_at": self.updated_at,
+        }
+
 
 class Message(db.Model):  # type: ignore[name-defined]
     __tablename__ = "messages"