diff --git a/libs/client-api/src/http_billing.rs b/libs/client-api/src/http_billing.rs
index 5cfd2e5a..cefa53f9 100644
--- a/libs/client-api/src/http_billing.rs
+++ b/libs/client-api/src/http_billing.rs
@@ -1,7 +1,7 @@
 use crate::Client;
 use client_api_entity::billing_dto::{
   SetSubscriptionRecurringInterval, SubscriptionCancelRequest, SubscriptionLinkRequest,
-  SubscriptionPlanDetail, SubscriptionTrialRequest, WorkspaceUsageAndLimit,
+  SubscriptionPlanDetail, WorkspaceUsageAndLimit,
 };
 use reqwest::Method;
 use shared_entity::{
@@ -222,24 +222,4 @@ impl Client {
       .await?
       .into_data()
   }
-
-  /// request a free trial for plan
-  pub async fn post_subscription_free_trial(
-    &self,
-    workspace_id: &str,
-    plan: SubscriptionPlan,
-  ) -> Result<(), AppResponseError> {
-    let url = format!(
-      "{}/billing/api/v1/subscription-trial/{}",
-      self.base_billing_url(),
-      workspace_id
-    );
-    let resp = self
-      .cloud_client
-      .post(&url)
-      .query(&SubscriptionTrialRequest { plan })
-      .send()
-      .await?;
-    AppResponse::<()>::from_response(resp).await?.into_error()
-  }
 }
diff --git a/libs/shared-entity/src/dto/billing_dto.rs b/libs/shared-entity/src/dto/billing_dto.rs
index fd180e68..ef36ccfc 100644
--- a/libs/shared-entity/src/dto/billing_dto.rs
+++ b/libs/shared-entity/src/dto/billing_dto.rs
@@ -163,4 +163,7 @@ pub struct SubscriptionLinkRequest {
 #[derive(Serialize, Deserialize, Debug)]
 pub struct SubscriptionTrialRequest {
   pub plan: SubscriptionPlan,
+  #[serde(default)]
+  #[serde(skip_serializing_if = "Option::is_none")]
+  pub period_days: Option<u32>,
 }
diff --git a/services/appflowy-worker/src/import_worker/worker.rs b/services/appflowy-worker/src/import_worker/worker.rs
index c8b3d79f..c8e6d859 100644
--- a/services/appflowy-worker/src/import_worker/worker.rs
+++ b/services/appflowy-worker/src/import_worker/worker.rs
@@ -50,6 +50,7 @@ use std::collections::{HashMap, HashSet};
 use std::env::temp_dir;
 use std::fmt::Display;
 use std::fs::Permissions;
+use std::io::ErrorKind;
 use std::ops::DerefMut;
 use std::os::unix::fs::PermissionsExt;
 use std::path::{Path, PathBuf};
@@ -596,7 +597,11 @@ async fn process_task(
                 "[Import]: {} deleted unzip file: {:?}",
                 task.workspace_id, unzip_dir_path
               ),
-              Err(err) => error!("Failed to delete unzip file: {:?}", err),
+              Err(err) => {
+                if err.kind() != ErrorKind::NotFound {
+                  error!("Failed to delete unzip file: {:?}", err);
+                }
+              },
             }
           });
         },