diff --git a/library/src/token.rs b/library/src/token.rs
index 396419f..199b441 100644
--- a/library/src/token.rs
+++ b/library/src/token.rs
@@ -4,11 +4,11 @@ use crate::config;
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Claim {
-    sub: i32, // 用户ID
+    sub: i64, // 用户ID
     exp: usize, // Token过期时间戳
 }
 
-pub fn generate_token(sub: i32) -> String {
+pub fn generate_token(sub: i64) -> String {
     let claim = Claim {
         sub,
         exp: config!().jwt.expires,
@@ -16,7 +16,7 @@ pub fn generate_token(sub: i32) -> String {
     generate(claim)
 }
 
-pub fn generate_refresh_token(sub: i32) -> String {
+pub fn generate_refresh_token(sub: i64) -> String {
     let claim = Claim {
         sub,
         exp: config!().jwt.refresh_expires,