diff --git a/src/main/java/com/boot/security/server/dto/LoginUser.java b/src/main/java/com/boot/security/server/dto/LoginUser.java
index 7bc123e..2839bc8 100644
--- a/src/main/java/com/boot/security/server/dto/LoginUser.java
+++ b/src/main/java/com/boot/security/server/dto/LoginUser.java
@@ -16,13 +16,14 @@ import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.Getter;
 import lombok.Setter;
 
+@Getter
+@Setter
 public class LoginUser extends SysUser implements UserDetails {
 
-	private static final long serialVersionUID = 5847622956044304250L;
+	private static final long serialVersionUID = -1379274258881257107L;
 
-	@Getter
-	@Setter
 	private List<Permission> permissions;
+	private String token;
 
 	@Override
 	@JsonIgnore
diff --git a/src/main/java/com/boot/security/server/service/TokenService.java b/src/main/java/com/boot/security/server/service/TokenService.java
index 059aedf..3fa6f6e 100644
--- a/src/main/java/com/boot/security/server/service/TokenService.java
+++ b/src/main/java/com/boot/security/server/service/TokenService.java
@@ -14,6 +14,8 @@ public interface TokenService {
 
 	Token saveToken(LoginUser loginUser);
 
+	void updateLoginUser(LoginUser loginUser);
+
 	LoginUser getLoginUser(String token);
 
 	boolean deleteToken(String token);
diff --git a/src/main/java/com/boot/security/server/service/impl/TokenServiceImpl.java b/src/main/java/com/boot/security/server/service/impl/TokenServiceImpl.java
index 72fc381..c6718f5 100644
--- a/src/main/java/com/boot/security/server/service/impl/TokenServiceImpl.java
+++ b/src/main/java/com/boot/security/server/service/impl/TokenServiceImpl.java
@@ -26,11 +26,20 @@ public class TokenServiceImpl implements TokenService {
 	@Override
 	public Token saveToken(LoginUser loginUser) {
 		String token = UUID.randomUUID().toString();
+		loginUser.setToken(token);
 		redisTemplate.boundValueOps(getKey(token)).set(loginUser, expireSeconds, TimeUnit.SECONDS);
 
 		return Token.builder().token(token).build();
 	}
 
+	/**
+	 * 更新缓存的用户信息
+	 */
+	@Override
+	public void updateLoginUser(LoginUser loginUser) {
+		redisTemplate.boundValueOps(getKey(loginUser.getToken())).set(loginUser, expireSeconds, TimeUnit.SECONDS);
+	}
+
 	@Override
 	public LoginUser getLoginUser(String token) {
 		return redisTemplate.boundValueOps(getKey(token)).get();