diff --git a/pkg/grpc/auth.go b/pkg/grpc/auth.go
index 66de9ff..9ee0ad1 100644
--- a/pkg/grpc/auth.go
+++ b/pkg/grpc/auth.go
@@ -2,13 +2,11 @@ package grpc
 
 import (
 	"context"
-	"fmt"
 
 	"git.solsynth.dev/hydrogen/passport/pkg/grpc/proto"
 	"git.solsynth.dev/hydrogen/passport/pkg/services"
 	jsoniter "github.com/json-iterator/go"
 	"github.com/samber/lo"
-	"github.com/spf13/viper"
 )
 
 func (v *Server) Authenticate(_ context.Context, in *proto.AuthRequest) (*proto.AuthReply, error) {
@@ -30,10 +28,10 @@ func (v *Server) Authenticate(_ context.Context, in *proto.AuthRequest) (*proto.
 		}
 
 		if user.Avatar != nil {
-			userinfo.Avatar = fmt.Sprintf("%s/api/attachments/%d", viper.GetString("paperclip.endpoint"), *user.Avatar)
+			userinfo.Avatar = *user.GetAvatar()
 		}
 		if user.Banner != nil {
-			userinfo.Banner = fmt.Sprintf("%s/api/attachments/%d", viper.GetString("paperclip.endpoint"), *user.Banner)
+			userinfo.Banner = *user.GetBanner()
 		}
 
 		return &proto.AuthReply{
diff --git a/pkg/models/accounts.go b/pkg/models/accounts.go
index 8162c2c..308ff7b 100644
--- a/pkg/models/accounts.go
+++ b/pkg/models/accounts.go
@@ -1,9 +1,11 @@
 package models
 
 import (
+	"fmt"
 	"time"
 
 	"github.com/samber/lo"
+	"github.com/spf13/viper"
 	"gorm.io/datatypes"
 )
 
@@ -38,6 +40,20 @@ type Account struct {
 	RelatedFriendships []AccountFriendship `json:"related_friendships" gorm:"foreignKey:RelatedID"`
 }
 
+func (v Account) GetAvatar() *string {
+	if v.Avatar != nil {
+		return lo.ToPtr(fmt.Sprintf("%s/api/attachments/%d", viper.GetString("paperclip.endpoint"), *v.Avatar))
+	}
+	return nil
+}
+
+func (v Account) GetBanner() *string {
+	if v.Banner != nil {
+		return lo.ToPtr(fmt.Sprintf("%s/api/attachments/%d", viper.GetString("paperclip.endpoint"), *v.Banner))
+	}
+	return nil
+}
+
 func (v Account) GetPrimaryEmail() AccountContact {
 	val, _ := lo.Find(v.Contacts, func(item AccountContact) bool {
 		return item.Type == EmailAccountContact && item.IsPrimary
diff --git a/pkg/server/accounts_api.go b/pkg/server/accounts_api.go
index d584716..d4d2aec 100644
--- a/pkg/server/accounts_api.go
+++ b/pkg/server/accounts_api.go
@@ -2,10 +2,11 @@ package server
 
 import (
 	"fmt"
-	"git.solsynth.dev/hydrogen/passport/pkg/utils"
 	"strconv"
 	"time"
 
+	"git.solsynth.dev/hydrogen/passport/pkg/utils"
+
 	"git.solsynth.dev/hydrogen/passport/pkg/database"
 	"git.solsynth.dev/hydrogen/passport/pkg/models"
 	"git.solsynth.dev/hydrogen/passport/pkg/services"
@@ -38,7 +39,7 @@ func getUserinfo(c *fiber.Ctx) error {
 	resp["preferred_username"] = data.Nick
 
 	if data.Avatar != nil {
-		resp["picture"] = fmt.Sprintf("%s/api/attachments/%d", viper.GetString("paperclip.endpoint"), data.Avatar)
+		resp["picture"] = *data.GetAvatar()
 	}
 
 	return c.JSON(resp)
diff --git a/pkg/server/ui/accounts.go b/pkg/server/ui/accounts.go
index 2467f8d..b1a394a 100644
--- a/pkg/server/ui/accounts.go
+++ b/pkg/server/ui/accounts.go
@@ -2,16 +2,16 @@ package ui
 
 import (
 	"fmt"
+	"html/template"
+	"time"
+
 	"git.solsynth.dev/hydrogen/passport/pkg/database"
 	"git.solsynth.dev/hydrogen/passport/pkg/models"
 	"github.com/gofiber/fiber/v2"
 	"github.com/gomarkdown/markdown"
 	"github.com/gomarkdown/markdown/html"
 	"github.com/gomarkdown/markdown/parser"
-	"github.com/spf13/viper"
 	"github.com/sujit-baniya/flash"
-	"html/template"
-	"time"
 )
 
 func selfUserinfoPage(c *fiber.Ctx) error {
@@ -27,7 +27,7 @@ func selfUserinfoPage(c *fiber.Ctx) error {
 		return fiber.NewError(fiber.StatusInternalServerError, err.Error())
 	}
 
-	var birthday = "Unknown"
+	birthday := "Unknown"
 	if data.Profile.Birthday != nil {
 		birthday = data.Profile.Birthday.Format(time.RFC822)
 	}
@@ -45,7 +45,7 @@ func selfUserinfoPage(c *fiber.Ctx) error {
 		"birthday_at":   birthday,
 		"personal_page": template.HTML(markdown.Render(doc, renderer)),
 		"userinfo":      data,
-		"avatar":        fmt.Sprintf("%s/api/attachments/%d", viper.GetString("paperclip.endpoint"), data.Avatar),
-		"banner":        fmt.Sprintf("%s/api/attachments/%d", viper.GetString("paperclip.endpoint"), data.Banner),
+		"avatar":        data.GetAvatar(),
+		"banner":        data.GetBanner(),
 	}, "views/layouts/user-center")
 }
diff --git a/pkg/server/ui/directory.go b/pkg/server/ui/directory.go
index 6f20300..dc64950 100644
--- a/pkg/server/ui/directory.go
+++ b/pkg/server/ui/directory.go
@@ -2,16 +2,16 @@ package ui
 
 import (
 	"fmt"
+	"html/template"
+	"time"
+
 	"git.solsynth.dev/hydrogen/passport/pkg/database"
 	"git.solsynth.dev/hydrogen/passport/pkg/models"
 	"github.com/gofiber/fiber/v2"
 	"github.com/gomarkdown/markdown"
 	"github.com/gomarkdown/markdown/html"
 	"github.com/gomarkdown/markdown/parser"
-	"github.com/spf13/viper"
 	"github.com/sujit-baniya/flash"
-	"html/template"
-	"time"
 )
 
 func otherUserinfoPage(c *fiber.Ctx) error {
@@ -27,7 +27,7 @@ func otherUserinfoPage(c *fiber.Ctx) error {
 		return fiber.NewError(fiber.StatusInternalServerError, err.Error())
 	}
 
-	var birthday = "Unknown"
+	birthday := "Unknown"
 	if data.Profile.Birthday != nil {
 		birthday = data.Profile.Birthday.Format(time.RFC822)
 	}
@@ -45,7 +45,7 @@ func otherUserinfoPage(c *fiber.Ctx) error {
 		"birthday_at":   birthday,
 		"personal_page": template.HTML(markdown.Render(doc, renderer)),
 		"userinfo":      data,
-		"avatar":        fmt.Sprintf("%s/api/attachments/%d", viper.GetString("paperclip.endpoint"), data.Avatar),
-		"banner":        fmt.Sprintf("%s/api/attachments/%d", viper.GetString("paperclip.endpoint"), data.Banner),
+		"avatar":        data.GetAvatar(),
+		"banner":        data.GetBanner(),
 	}, "views/layouts/user-center")
 }