diff --git a/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/database/dto/BattleRecordDto.kt b/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/database/dto/BattleRecordDto.kt
index 9b7b86b..548fee0 100644
--- a/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/database/dto/BattleRecordDto.kt
+++ b/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/database/dto/BattleRecordDto.kt
@@ -30,6 +30,7 @@ data class AttackDetailDto(
     @SerialName("boss_index") val bossIndex: Int, // 1~5 號王
     val damage: Long,   // 傷害
     @SerialName("is_compensation") val isCompensation: Boolean = false,    // true: 補償刀， false: 正刀
+    @SerialName("is_dropped") val isDropped: Boolean = false,    // true: 掉刀， false: 沒掉刀
     @SerialName("created_at") val createdAt: Long = Instant.now().toEpochMilli(),
     @SerialName("updated_at") val updatedAt: Long = Instant.now().toEpochMilli()
 ) {
diff --git a/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/mapper/BattleRecordMapper.kt b/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/mapper/BattleRecordMapper.kt
index 3c8ae8e..940fb72 100644
--- a/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/mapper/BattleRecordMapper.kt
+++ b/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/mapper/BattleRecordMapper.kt
@@ -19,6 +19,7 @@ fun AttackDetail.toDto(): AttackDetailDto = AttackDetailDto(
     bossIndex = bossIndex,
     damage = damage,
     isCompensation = isCompensation,
+    isDropped = isDropped,
     createdAt = createdAt,
     updatedAt = updatedAt,
 )
\ No newline at end of file
diff --git a/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/model/BattleRecord.kt b/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/model/BattleRecord.kt
index 55d5d8f..03ada73 100644
--- a/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/model/BattleRecord.kt
+++ b/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/model/BattleRecord.kt
@@ -1,6 +1,5 @@
 package club.sakunadaisuki.pcrediveclanrecordbackend.model
 
-import club.sakunadaisuki.pcrediveclanrecordbackend.database.dto.AttackDetailDto
 import kotlinx.serialization.SerialName
 import java.time.Instant
 
@@ -18,6 +17,7 @@ data class AttackDetail(
     @SerialName("boss_index") val bossIndex: Int, // 1~5 號王
     val damage: Long,   // 傷害
     @SerialName("is_compensation") val isCompensation: Boolean = false,    // true: 補償刀， false: 正刀
+    @SerialName("is_dropped") val isDropped: Boolean = false,    // true: 掉刀， false: 沒掉刀
     @SerialName("created_at") val createdAt: Long = Instant.now().toEpochMilli(),
     @SerialName("updated_at") val updatedAt: Long = Instant.now().toEpochMilli()
 )
\ No newline at end of file
diff --git a/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/model/BattleRecordRequest.kt b/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/model/BattleRecordRequest.kt
index 83be73c..fcce510 100644
--- a/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/model/BattleRecordRequest.kt
+++ b/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/model/BattleRecordRequest.kt
@@ -14,4 +14,5 @@ data class BattleRecordRequest(
     val boss: Int,
     val damage: Long,
     @SerialName("is_compensation") val isCompensation: Boolean = false,
+    @SerialName("is_dropped") val isDropped: Boolean = false,
 )
diff --git a/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/plugins/Mongo.kt b/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/plugins/Mongo.kt
index f0cefb2..7421762 100644
--- a/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/plugins/Mongo.kt
+++ b/src/main/kotlin/club/sakunadaisuki/pcrediveclanrecordbackend/plugins/Mongo.kt
@@ -84,6 +84,7 @@ fun Application.configureMongo() {
                     bossIndex = request.boss,
                     damage = request.damage,
                     isCompensation = request.isCompensation,
+                    isDropped = request.isDropped,
                 )
                 val existData = battleRecordService.read(request.date, request.uid)
                 if (existData != null) {