diff --git a/api/src/main/kotlin/com/lhwdev/selfTestMacro/api/getDetailedUserInfo.kt b/api/src/main/kotlin/com/lhwdev/selfTestMacro/api/getDetailedUserInfo.kt
index 8b0165c5..b76a37a0 100644
--- a/api/src/main/kotlin/com/lhwdev/selfTestMacro/api/getDetailedUserInfo.kt
+++ b/api/src/main/kotlin/com/lhwdev/selfTestMacro/api/getDetailedUserInfo.kt
@@ -20,7 +20,7 @@ data class DetailedUserInfo(
 	@SerialName("registerYmd") val lastRegisterDate: String?,
 	@SerialName("registerDtm") val lastRegisterAt: String?,
 	@SerialName("isHealthy") val isHealthy: Boolean,
-	@SerialName("deviceUuid") val deviceUuid: String?,
+	@SerialName("deviceUuid") val deviceUuid: String? = null,
 ) {
 	fun toUserInfoString() = "$userName($schoolName)"
 	fun toLastRegisterInfoString() =