BUGFIX:aida;

src/main/java/com/ai/da/common/utils/RedisUtil.java

@@ -178,14 +178,17 @@ public class RedisUtil {
     }
 
     public List<Long> getLikedPortfolios(Long userId) {
+        // 获取所有包含PORTFOLIO_LIKE_KEY的键
         Set<String> likedPortfolios = redisTemplate.keys(PORTFOLIO_LIKE_KEY + "*");
 
+        // 如果没有喜欢的，返回空列表
         if (likedPortfolios == null || likedPortfolios.isEmpty()) {
             return new ArrayList<>();
         }
 
+        // 过滤出包含指定用户ID的键，并提取投资组合ID
         return likedPortfolios.stream()
-                .filter(key -> redisTemplate.opsForSet().isMember(key, userId.toString()))
+                .filter(key -> redisTemplate.opsForSet().isMember(key, String.valueOf(userId)))
                 .map(key -> Long.valueOf(key.replace(PORTFOLIO_LIKE_KEY, "")))
                 .collect(Collectors.toList());
     }