Merge branch 'ruansiyuan' into 'master'

加个非空判断

See merge request rays/pcloud-book!98

pcloud-service-book/src/main/java/com/pcloud/book/book/set/BookSet.java

@@ -1317,7 +1317,9 @@ public class BookSet {
         Map<Long, Long> bookIdsMap = new HashMap<>();
         for (Object object : bookList) {
             BookDto bookDto = (BookDto) object;
-            bookIdsMap.put(bookDto.getBookId(), bookDto.getBookId());
+            if (bookDto != null && bookDto.getBookId() != null) {
+                bookIdsMap.put(bookDto.getBookId(), bookDto.getBookId());
+            }
         }
         List<Long> bookIds = Lists.newArrayList(bookIdsMap.values());
         if (CollectionUtils.isEmpty(bookIds)) {