diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 2eeec73..9b4c0c4 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,18 +4,10 @@
     <option name="autoReloadType" value="ALL" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="18dd0d68-b4b8-40db-9734-9119b5c848bd" name="更改" comment=":sparkles: Attachment pool basis">
-      <change afterPath="$PROJECT_DIR$/pkg/internal/services/random_id.go" afterDir="false" />
+    <list default="true" id="18dd0d68-b4b8-40db-9734-9119b5c848bd" name="更改" comment=":sparkles: Attachment has pool">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/go.mod" beforeDir="false" afterPath="$PROJECT_DIR$/go.mod" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/go.sum" beforeDir="false" afterPath="$PROJECT_DIR$/go.sum" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pkg/internal/models/attachments.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/models/attachments.go" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pkg/internal/models/pools.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/models/pools.go" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pkg/internal/server/api/attachments_api.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/server/api/attachments_api.go" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pkg/internal/services/analyzer.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/services/analyzer.go" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pkg/internal/services/attachments.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/services/attachments.go" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pkg/internal/services/pools.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/services/pools.go" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/settings.toml" beforeDir="false" afterPath="$PROJECT_DIR$/settings.toml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pkg/internal/services/recycler.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/services/recycler.go" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pkg/main.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/main.go" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -129,7 +121,8 @@
     <MESSAGE value=":sparkles: Self reference detection" />
     <MESSAGE value=":sparkles: List attachment original filter" />
     <MESSAGE value=":sparkles: Attachment pool basis" />
-    <option name="LAST_COMMIT_MESSAGE" value=":sparkles: Attachment pool basis" />
+    <MESSAGE value=":sparkles: Attachment has pool" />
+    <option name="LAST_COMMIT_MESSAGE" value=":sparkles: Attachment has pool" />
   </component>
   <component name="VgoProject">
     <settings-migrated>true</settings-migrated>
diff --git a/pkg/internal/services/recycler.go b/pkg/internal/services/recycler.go
index 7f2c23c..a6f0107 100644
--- a/pkg/internal/services/recycler.go
+++ b/pkg/internal/services/recycler.go
@@ -3,6 +3,9 @@ package services
 import (
 	"context"
 	"fmt"
+	"git.solsynth.dev/hydrogen/paperclip/pkg/internal/database"
+	"github.com/samber/lo"
+	"gorm.io/gorm/clause"
 	"os"
 	"path/filepath"
 	"time"
@@ -33,6 +36,45 @@ func StartConsumeDeletionTask() {
 	}
 }
 
+func RunScheduleDeletionTask() {
+	var pools []models.AttachmentPool
+	if err := database.C.Find(&pools).Error; err != nil {
+		return
+	}
+
+	var pendingPools []models.AttachmentPool
+	for _, pool := range pendingPools {
+		if pool.Config.Data().ExistLifecycle != nil {
+			pendingPools = append(pendingPools, pool)
+		}
+	}
+
+	for _, pool := range pendingPools {
+		lifecycle := fmt.Sprintf("%d seconds", *pool.Config.Data().ExistLifecycle)
+		var attachments []models.Attachment
+		if err := database.C.Where("pool_id = ? AND created_at < NOW() - INTERVAL ?", pool.ID, lifecycle).Find(&attachments).Error; err != nil {
+			continue
+		}
+		log.Info().
+			Str("pool", pool.Alias).
+			Int("count", len(attachments)).
+			Msg("Deleting attachments due to pool's lifecycle configuration...")
+		for idx, attachment := range attachments {
+			if err := DeleteFile(attachment); err != nil {
+				log.Error().
+					Str("pool", pool.Alias).
+					Uint("id", attachment.ID).
+					Msg("An error occurred when deleting attachment due to pool's lifecycle configuration...")
+			} else {
+				attachments[idx].CleanedAt = lo.ToPtr(time.Now())
+			}
+		}
+		database.C.Clauses(clause.OnConflict{
+			UpdateAll: true,
+		}).CreateInBatches(attachments, 1000)
+	}
+}
+
 func DeleteFile(meta models.Attachment) error {
 	var destMap map[string]any
 	if meta.Destination == models.AttachmentDstTemporary {
diff --git a/pkg/main.go b/pkg/main.go
index 8352c18..88247cf 100644
--- a/pkg/main.go
+++ b/pkg/main.go
@@ -59,6 +59,7 @@ func main() {
 	// Configure timed tasks
 	quartz := cron.New(cron.WithLogger(cron.VerbosePrintfLogger(&log.Logger)))
 	quartz.AddFunc("@every 60m", services.DoAutoDatabaseCleanup)
+	quartz.AddFunc("@midnight", services.RunScheduleDeletionTask)
 	quartz.Start()
 
 	// Server
@@ -73,6 +74,7 @@ func main() {
 	log.Info().Msgf("Paperclip v%s is started...", pkg.AppVersion)
 
 	services.ScanUnanalyzedFileFromDatabase()
+	services.RunScheduleDeletionTask()
 
 	quit := make(chan os.Signal, 1)
 	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)