diff --git a/kicc-common/kicc-common-security/src/main/java/com/cloud/kicc/common/security/override/KiccCustomTokenServices.java b/kicc-common/kicc-common-security/src/main/java/com/cloud/kicc/common/security/override/KiccCustomTokenServices.java
index e3efd695..87be3c20 100644
--- a/kicc-common/kicc-common-security/src/main/java/com/cloud/kicc/common/security/override/KiccCustomTokenServices.java
+++ b/kicc-common/kicc-common-security/src/main/java/com/cloud/kicc/common/security/override/KiccCustomTokenServices.java
@@ -1,5 +1,6 @@
 package com.cloud.kicc.common.security.override;
 
+import cn.hutool.core.map.MapUtil;
 import org.springframework.beans.factory.InitializingBean;
 import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.core.Authentication;
@@ -15,6 +16,7 @@ import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.Assert;
 
 import java.util.Date;
+import java.util.Map;
 import java.util.Set;
 import java.util.UUID;
 
@@ -61,21 +63,28 @@ public class KiccCustomTokenServices implements AuthorizationServerTokenServices
 		OAuth2AccessToken existingAccessToken = tokenStore.getAccessToken(authentication);
 		OAuth2RefreshToken refreshToken = null;
 
-		// 若已产生token,过期时删除相关token,执行下边的重新生成逻辑
 		if (existingAccessToken != null) {
-			tokenStore.removeAccessToken(existingAccessToken);
-
-			if (existingAccessToken.getRefreshToken() != null) {
-				refreshToken = existingAccessToken.getRefreshToken();
-				tokenStore.removeRefreshToken(refreshToken);
+			if (existingAccessToken.isExpired()) {
+				if (existingAccessToken.getRefreshToken() != null) {
+					refreshToken = existingAccessToken.getRefreshToken();
+					// 当访问令牌被删除时,令牌存储可以删除刷新令牌,但是我们想要确保一定可以删除刷新令牌
+					tokenStore.removeRefreshToken(refreshToken);
+				}
+				tokenStore.removeAccessToken(existingAccessToken);
+			}
+			else {
+				// 重新存储访问令牌,以防身份验证发生更改
+				tokenStore.storeAccessToken(existingAccessToken, authentication);
+				return existingAccessToken;
 			}
-
 		}
 
+		// 只有在没有与过期的访问令牌关联的现有令牌时,才创建新的刷新令牌。
+		// 客户端可能持有现有的刷新令牌,所以我们在旧访问令牌过期的情况下重用它。
 		if (refreshToken == null) {
 			refreshToken = createRefreshToken(authentication);
 		}
-
+		// 但是如果刷新令牌已过期，则可能需要重新颁发它本身。
 		else if (refreshToken instanceof ExpiringOAuth2RefreshToken) {
 			ExpiringOAuth2RefreshToken expiring = (ExpiringOAuth2RefreshToken) refreshToken;
 			if (System.currentTimeMillis() > expiring.getExpiration().getTime()) {
@@ -85,7 +94,7 @@ public class KiccCustomTokenServices implements AuthorizationServerTokenServices
 
 		OAuth2AccessToken accessToken = createAccessToken(authentication, refreshToken);
 		tokenStore.storeAccessToken(accessToken, authentication);
-
+		// 以防它被修改
 		refreshToken = accessToken.getRefreshToken();
 		if (refreshToken != null) {
 			tokenStore.storeRefreshToken(refreshToken, authentication);