diff --git a/src/main/java/icu/samnyan/aqua/sega/chusan/handler/ChusanApis.kt b/src/main/java/icu/samnyan/aqua/sega/chusan/handler/ChusanApis.kt
index e236871b..1669e3a1 100644
--- a/src/main/java/icu/samnyan/aqua/sega/chusan/handler/ChusanApis.kt
+++ b/src/main/java/icu/samnyan/aqua/sega/chusan/handler/ChusanApis.kt
@@ -59,7 +59,9 @@ fun ChusanController.chusanInit() {
         // musicId cannot be the same with the id in recMusicList
         val u = db.userData.findByCard_ExtId(uid)() ?: return@paged empty
         val list = (chusan.recommendedMusic[u.id] ?: ls()).filter { it != 1 }
-        ls(mapOf("musicId" to 1, "recMusicList" to list.joinToString(";") { "$it,1" }))
+        
+        if (list.isEmpty()) empty
+        else ls(mapOf("musicId" to 1, "recMusicList" to list.joinToString(";") { "$it,1" }))
     }
 
     "GetUserRecRating".paged("userRecRatingList") {