diff --git a/casdoor/resource.go b/casdoor/resource.go
index 0cf0674..1891dd4 100644
--- a/casdoor/resource.go
+++ b/casdoor/resource.go
@@ -24,7 +24,7 @@ import (
 func ListResources(provider string, prefix string) ([]*casdoorsdk.Resource, error) {
 	casdoorOrganization := beego.AppConfig.String("casdoorOrganization")
 	casdoorApplication := beego.AppConfig.String("casdoorApplication")
-	res, err := casdoorsdk.GetResources(casdoorOrganization, casdoorApplication, "provider", provider, "Casibase", "")
+	res, err := casdoorsdk.GetResources(casdoorOrganization, casdoorApplication, "provider", provider, "Direct", prefix)
 	return res, err
 }
 
diff --git a/object/store_provider.go b/object/store_provider.go
index d9437e5..aa1d092 100644
--- a/object/store_provider.go
+++ b/object/store_provider.go
@@ -17,7 +17,6 @@ package object
 import (
 	"fmt"
 	"strings"
-	"time"
 
 	"github.com/casbin/casibase/storage"
 )
@@ -109,7 +108,7 @@ func (store *Store) Populate() error {
 	}
 
 	for _, object := range sortedObjects {
-		lastModifiedTime := object.LastModified.Local().Format(time.RFC3339)
+		lastModifiedTime := object.LastModified
 		isLeaf := isObjectLeaf(object)
 		size := object.Size
 
diff --git a/storage/storage.go b/storage/storage.go
index 6536c52..6cd731a 100644
--- a/storage/storage.go
+++ b/storage/storage.go
@@ -19,7 +19,6 @@ import (
 	"fmt"
 	"io"
 	"net/http"
-	"time"
 
 	"github.com/astaxie/beego"
 	"github.com/casbin/casibase/casdoor"
@@ -29,8 +28,9 @@ import (
 
 type Object struct {
 	Key          string
-	LastModified *time.Time
+	LastModified string
 	Size         int64
+	Url          string
 }
 
 func ListObjects(provider string, prefix string) ([]*Object, error) {
@@ -41,11 +41,11 @@ func ListObjects(provider string, prefix string) ([]*Object, error) {
 
 	res := []*Object{}
 	for _, resource := range resources {
-		created, _ := time.Parse(time.RFC3339, resource.CreatedTime)
 		res = append(res, &Object{
-			Key:          util.GetNameFromIdNoCheck(resource.Name),
-			LastModified: &created,
+			Key:          resource.Name,
+			LastModified: resource.CreatedTime,
 			Size:         int64(resource.FileSize),
+			Url:          resource.Url,
 		})
 	}
 	return res, nil
diff --git a/util/string.go b/util/string.go
index ac67e3d..110444f 100644
--- a/util/string.go
+++ b/util/string.go
@@ -93,12 +93,6 @@ func GetOwnerAndNameFromId3New(id string) (string, string, string) {
 	return tokens[0], tokens[1], tokens[2]
 }
 
-func GetNameFromIdNoCheck(id string) string {
-	tokens := strings.Split(id, "/")
-
-	return tokens[len(tokens)-1]
-}
-
 func GetIdFromOwnerAndName(owner string, name string) string {
 	return fmt.Sprintf("%s/%s", owner, name)
 }