diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 541b3fa..5b62484 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,8 +4,9 @@
     <option name="autoReloadType" value="ALL" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="18dd0d68-b4b8-40db-9734-9119b5c848bd" name="更改" comment=":bug: Fix mark clean required issue">
+    <list default="true" id="18dd0d68-b4b8-40db-9734-9119b5c848bd" name="更改" comment=":sparkles: Support use rid to get file">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pkg/internal/server/api/attachment_dir_api.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/server/api/attachment_dir_api.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/attachments.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/services/attachments.go" afterDir="false" />
     </list>
@@ -135,7 +136,8 @@
     <MESSAGE value=":bug: Fix doesn't get has lifecycle settings buckets correctly" />
     <MESSAGE value=":zap: Fix the RandString method cause the lag" />
     <MESSAGE value=":bug: Fix mark clean required issue" />
-    <option name="LAST_COMMIT_MESSAGE" value=":bug: Fix mark clean required issue" />
+    <MESSAGE value=":sparkles: Support use rid to get file" />
+    <option name="LAST_COMMIT_MESSAGE" value=":sparkles: Support use rid to get file" />
   </component>
   <component name="VgoProject">
     <settings-migrated>true</settings-migrated>
diff --git a/pkg/internal/server/api/attachment_dir_api.go b/pkg/internal/server/api/attachment_dir_api.go
index 8a4d505..2e1d24b 100644
--- a/pkg/internal/server/api/attachment_dir_api.go
+++ b/pkg/internal/server/api/attachment_dir_api.go
@@ -1,7 +1,6 @@
 package api
 
 import (
-	"strconv"
 	"strings"
 
 	"git.solsynth.dev/hydrogen/paperclip/pkg/internal/database"
@@ -23,25 +22,20 @@ func listAttachment(c *fiber.Ctx) error {
 	needQuery := true
 
 	var result = make([]models.Attachment, take)
-	var idxList []uint
+	var idxList []string
 
 	if len(c.Query("id")) > 0 {
-		var pendingQueryId []uint
+		var pendingQueryId []string
 		idx := strings.Split(c.Query("id"), ",")
 		for p, raw := range idx {
-			id, err := strconv.Atoi(raw)
-			if err != nil {
-				continue
-			} else {
-				idxList = append(idxList, uint(id))
-			}
-			if val, ok := services.GetAttachmentCache(uint(id)); ok {
+			idxList = append(idxList, raw)
+			if val, ok := services.GetAttachmentCache(raw); ok {
 				result[p] = val
 			} else {
-				pendingQueryId = append(pendingQueryId, uint(id))
+				pendingQueryId = append(pendingQueryId, raw)
 			}
 		}
-		tx = tx.Where("id IN ?", pendingQueryId)
+		tx = tx.Where("rid IN ?", pendingQueryId)
 		needQuery = len(pendingQueryId) > 0
 	} else {
 		// Do sort this when doesn't filter by the id
@@ -83,7 +77,7 @@ func listAttachment(c *fiber.Ctx) error {
 		} else {
 			for _, item := range out {
 				for p, id := range idxList {
-					if item.ID == id {
+					if item.Rid == id {
 						result[p] = item
 					}
 				}
diff --git a/pkg/internal/server/api/attachments_api.go b/pkg/internal/server/api/attachments_api.go
index aa64f0f..04c2107 100644
--- a/pkg/internal/server/api/attachments_api.go
+++ b/pkg/internal/server/api/attachments_api.go
@@ -2,13 +2,11 @@ package api
 
 import (
 	"fmt"
-	"net/url"
-	"path/filepath"
-	"strconv"
-
 	"git.solsynth.dev/hydrogen/paperclip/pkg/internal/database"
 	"git.solsynth.dev/hydrogen/paperclip/pkg/internal/gap"
 	"git.solsynth.dev/hydrogen/paperclip/pkg/internal/server/exts"
+	"net/url"
+	"path/filepath"
 
 	"git.solsynth.dev/hydrogen/paperclip/pkg/internal/models"
 	"git.solsynth.dev/hydrogen/paperclip/pkg/internal/services"
@@ -21,14 +19,7 @@ import (
 func openAttachment(c *fiber.Ctx) error {
 	id := c.Params("id")
 
-	var err error
-	var metadata models.Attachment
-
-	if numericId, numericErr := strconv.Atoi(id); numericErr == nil {
-		metadata, err = services.GetAttachmentByID(uint(numericId))
-	} else {
-		metadata, err = services.GetAttachmentByRID(id)
-	}
+	metadata, err := services.GetAttachmentByRID(id)
 	if err != nil {
 		return fiber.NewError(fiber.StatusNotFound)
 	}
@@ -77,9 +68,9 @@ func openAttachment(c *fiber.Ctx) error {
 }
 
 func getAttachmentMeta(c *fiber.Ctx) error {
-	id, _ := c.ParamsInt("id")
+	id := c.Params("id")
 
-	metadata, err := services.GetAttachmentByID(uint(id))
+	metadata, err := services.GetAttachmentByRID(id)
 	if err != nil {
 		return fiber.NewError(fiber.StatusNotFound)
 	}
diff --git a/pkg/internal/services/attachments.go b/pkg/internal/services/attachments.go
index b802554..94ababc 100644
--- a/pkg/internal/services/attachments.go
+++ b/pkg/internal/services/attachments.go
@@ -22,11 +22,6 @@ const metadataCacheLimit = 512
 var metadataCache sync.Map
 
 func GetAttachmentByID(id uint) (models.Attachment, error) {
-	strId := strconv.Itoa(int(id))
-	if val, ok := metadataCache.Load(strId); ok && val.(models.Attachment).Account.ID > 0 {
-		return val.(models.Attachment), nil
-	}
-
 	var attachment models.Attachment
 	if err := database.C.Where(models.Attachment{
 		BaseModel: models.BaseModel{ID: id},
@@ -68,17 +63,14 @@ func GetAttachmentByHash(hash string) (models.Attachment, error) {
 	return attachment, nil
 }
 
-func GetAttachmentCache(id uint) (models.Attachment, bool) {
-	strId := strconv.Itoa(int(id))
-	if val, ok := metadataCache.Load(strId); ok && val.(models.Attachment).Account.ID > 0 {
+func GetAttachmentCache(id any) (models.Attachment, bool) {
+	if val, ok := metadataCache.Load(id); ok && val.(models.Attachment).Account.ID > 0 {
 		return val.(models.Attachment), ok
 	}
 	return models.Attachment{}, false
 }
 
 func CacheAttachment(item models.Attachment) {
-	strId := strconv.Itoa(int(item.ID))
-	metadataCache.Store(strId, item)
 	metadataCache.Store(item.Rid, item)
 }