diff --git a/app/src/main/java/com/example/shiftalarm/ShiftRepository.kt b/app/src/main/java/com/example/shiftalarm/ShiftRepository.kt
index e401d88..b33abc1 100644
--- a/app/src/main/java/com/example/shiftalarm/ShiftRepository.kt
+++ b/app/src/main/java/com/example/shiftalarm/ShiftRepository.kt
@@ -93,6 +93,21 @@ class ShiftRepository(private val context: Context) {
     }
 
     suspend fun updateRemainingAnnualLeave() {
+        val annualLeave = dao.getAnnualLeave()
+        val usedDays = calculateUsedAnnualLeave()
+        
+        if (annualLeave != null) {
+            val remainingDays = annualLeave.totalDays - usedDays
+            dao.insertAnnualLeave(annualLeave.copy(remainingDays = remainingDays))
+        } else {
+            // AnnualLeave가 없으면 기본값 15일로 생성
+            dao.insertAnnualLeave(AnnualLeave(
+                id = 1,
+                totalDays = 15f,
+                remainingDays = 15f - usedDays
+            ))
+        }
+    }
         val annualLeave = dao.getAnnualLeave()
         annualLeave?.let {
             val usedDays = calculateUsedAnnualLeave()