diff --git a/src/main/java/com/kamco/cd/kamcoback/postgres/repository/Inference/MapSheetLearnRepositoryImpl.java b/src/main/java/com/kamco/cd/kamcoback/postgres/repository/Inference/MapSheetLearnRepositoryImpl.java
index a0a5f1ab..89bc7079 100644
--- a/src/main/java/com/kamco/cd/kamcoback/postgres/repository/Inference/MapSheetLearnRepositoryImpl.java
+++ b/src/main/java/com/kamco/cd/kamcoback/postgres/repository/Inference/MapSheetLearnRepositoryImpl.java
@@ -112,9 +112,9 @@ public class MapSheetLearnRepositoryImpl implements MapSheetLearnRepositoryCusto
 
     BooleanBuilder builder = new BooleanBuilder();
 
-    List<Integer> latestIds =
+    List<OffsetDateTime> latestIds =
         queryFactory
-            .select(systemMetricEntity.id1.max())
+            .select(systemMetricEntity.timestamp.max())
             .from(systemMetricEntity)
             .groupBy(systemMetricEntity.serverName)
             .fetch();
@@ -147,7 +147,7 @@ public class MapSheetLearnRepositoryImpl implements MapSheetLearnRepositoryCusto
                     .timestamp
                     .in(latestGpuIds)
                     .and(gpuMetricEntity.serverName.eq(systemMetricEntity.serverName)))
-            .where(systemMetricEntity.id1.in(latestIds)) // In 절 사용
+            .where(systemMetricEntity.timestamp.in(latestIds)) // In 절 사용
             .orderBy(systemMetricEntity.serverName.asc())
             .limit(4)
             .fetch();