diff --git a/docker-compose.yml b/docker-compose.yml
index a91bd3c..ffb832d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,7 +4,7 @@ services:
   link:
     image: cognio/link
     ports:
-    - "8080:8080"
+    - 8080:8080
     environment:
       - JWT_METHOD=HS256
       - JWT_KEY=QvSqOTKhsCjeV1iU9ABYTQMJwhvXWPnz
diff --git a/pkg/cgnolink/alias/entity.go b/pkg/cgnolink/alias/entity.go
deleted file mode 100644
index c189933..0000000
--- a/pkg/cgnolink/alias/entity.go
+++ /dev/null
@@ -1,11 +0,0 @@
-package alias
-
-import "time"
-
-type Alias struct {
-	Id           string
-	LinkId       int64
-	CreationTime time.Time
-}
-
-type Aliases = []*Alias
diff --git a/pkg/cgnolink/link/entity.go b/pkg/cgnolink/link/entity.go
index 58ab314..343743e 100644
--- a/pkg/cgnolink/link/entity.go
+++ b/pkg/cgnolink/link/entity.go
@@ -6,7 +6,7 @@ import (
 )
 
 type Link struct {
-	Id           int64
+	Id           string
 	Name         string
 	RedirectURL  url.URL
 	Password     string