1.fix recommend issue

luoo_music/src/main/java/com/luoo/music/dao/JournalDao.java

@@ -76,5 +76,8 @@ public interface JournalDao extends JpaRepository<Journal,String>,JpaSpecificati
 
     @Query(value = "select id from tb_journal where id not in ?2 order by rand() limit ?1", nativeQuery = true)
 	List<String> random(int limit, List<String> recommendIds);
+
+    @Query(value = "select id from tb_journal order by rand() limit ?1", nativeQuery = true)
+	List<String> random(int limit);
 }
 

luoo_music/src/main/java/com/luoo/music/service/JournalService.java

@@ -306,7 +306,7 @@ public class JournalService {
 		List<String> recommendIds=journalTagDao.recommendByJournalId(id);
 		List<String> extraIds=Collections.emptyList();
 		if(recommendIds.size()<6) {
-			extraIds=journalDao.random(6-recommendIds.size(),recommendIds);
+			extraIds=recommendIds.isEmpty()?journalDao.random(6):journalDao.random(6-recommendIds.size(),recommendIds);
 		}
 		if(!extraIds.isEmpty()) {
 			recommendIds.addAll(extraIds);