bugFix

long-article-recommend-service/src/main/java/com/tzld/longarticle/recommend/server/service/rank/RankService.java

@@ -72,7 +72,9 @@ public class RankService {
 
         List<RankItem> sortedItems = new ArrayList<>();
         for (String pool : contentPools) {
-            sortedItems.addAll(itemMap.get(pool));
+            if (itemMap.containsKey(pool)) {
+                sortedItems.addAll(itemMap.get(pool));
+            }
         }
         List<Content> contents = CommonCollectionUtils.toList(sortedItems, RankItem::getContent);
         log.info("Sort result {}", JSONUtils.toJson(contents));