处理BUG 因为有的时候 商户没有店铺 导致的空指针 处理：过滤掉没有店铺的商户

alien-store/src/main/java/shop/alien/store/controller/AiSearchController.java

@@ -223,9 +223,13 @@ public class AiSearchController {
         // 坑：查询出来的是拉黑的商户id，不是商铺id 😊彻底疯狂
         List<String> blockedIds = lifeBlacklists.stream().map(x -> x.getBlockedId()).collect(Collectors.toList());
         List<Integer> collect = new ArrayList<>();
-        if(blockedIds.size()>0){
+        if (blockedIds.size() > 0) {
             List<StoreUser> storeUsers = storeUserMapper.selectBatchIds(blockedIds);
-            collect = storeUsers.stream().filter(x -> StringUtils.isNotBlank(x.getStoreId().toString())).map(x -> x.getStoreId()).collect(Collectors.toList());
+            // store_id 可能为 null，不可对 null 调用 toString()
+            collect = storeUsers.stream()
+                    .map(StoreUser::getStoreId)
+                    .filter(Objects::nonNull)
+                    .collect(Collectors.toList());
         }
 
         List<StoreInfoVo> storeInfoList = new ArrayList<>();