diff --git a/base/user.go b/base/user.go
index db7e888..6409f77 100644
--- a/base/user.go
+++ b/base/user.go
@@ -9,7 +9,7 @@ import (
 )
 
 type user struct {
-	id       int
+	id       int64
 	uuid     string
 	username string
 	nickname string
@@ -17,7 +17,7 @@ type user struct {
 	roles    []string
 }
 
-func (this user) ID() int {
+func (this user) ID() int64 {
 	return this.id
 }
 
diff --git a/user.go b/user.go
index 550ef49..6d3f3e0 100644
--- a/user.go
+++ b/user.go
@@ -2,7 +2,7 @@ package contracts
 
 type User interface {
 	// 用户ID
-	ID() int
+	ID() int64
 	// 用户UUID
 	Uuid() string
 	// 用户名称