From 60fd8ffbb53bbf4bcc9e7669563fd6b766bdf435 Mon Sep 17 00:00:00 2001
From: DongGeon0908 <wrjssmjdhappy@gmail.com>
Date: Fri, 27 Sep 2024 10:06:00 +0900
Subject: [PATCH] =?UTF-8?q?fix:=20=EA=B7=B8=EB=A3=B9=20=EC=A0=84=EC=B2=B4?=
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---
 .../hero/alignlab/domain/group/application/GroupFacade.kt    | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/application/GroupFacade.kt b/src/main/kotlin/com/hero/alignlab/domain/group/application/GroupFacade.kt
index 6065c5b..638191e 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/group/application/GroupFacade.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/application/GroupFacade.kt
@@ -267,7 +267,10 @@ class GroupFacade(
                 score = groupUserScore.score ?: return@mapNotNull null,
             )
         }
-        val avgGroupUserScore = (ranks.sumOf { it.score } / ranks.size)
+        val avgGroupUserScore = when (ranks.isNotEmpty()) {
+            true -> (ranks.sumOf { it.score } / ranks.size)
+            false -> null
+        }
         val myScore = ranks.firstOrNull { it.groupUserId == groupUser.id }?.score
 
         return GetGroupRanksResponse(