diff --git a/wcs/src/main/java/org/wcs/business/redis/SaTokenRedis.java b/wcs/src/main/java/org/wcs/business/redis/SaTokenRedis.java
index e5ce6b3..11849fd 100644
--- a/wcs/src/main/java/org/wcs/business/redis/SaTokenRedis.java
+++ b/wcs/src/main/java/org/wcs/business/redis/SaTokenRedis.java
@@ -91,11 +91,17 @@ public class SaTokenRedis {
             clearPermissionCache(group);
             return;
         }
-        Long size = stringRedisTemplate.opsForList().size(USER_PERMISSION_KEY + ":" + group);
-        if(size != null && size > 0) {
-            return; // 如果存在就不添加了，要求必须调用清除方法后在调用这个
+        List<String> oldPermissionList = stringRedisTemplate.opsForList().range(USER_PERMISSION_KEY + ":" + group, 0, -1);
+        if(oldPermissionList == null || oldPermissionList.isEmpty()) {
+            stringRedisTemplate.opsForList().rightPushAll(USER_PERMISSION_KEY + ":" + group, permissionList);
+            return;
         }
-        stringRedisTemplate.opsForList().rightPushAll(USER_PERMISSION_KEY + ":" + group, permissionList);
+        for (String permission : permissionList) {
+            if(!oldPermissionList.contains(permission)) {
+                stringRedisTemplate.opsForList().rightPush(USER_PERMISSION_KEY + ":" + group, permission);
+            }
+        }
+        return;
     }