diff --git a/user-infrastructure/src/main/kotlin/com/xquare/v1userservice/user/router/UserHandler.kt b/user-infrastructure/src/main/kotlin/com/xquare/v1userservice/user/router/UserHandler.kt
index 0916988..5a862d4 100644
--- a/user-infrastructure/src/main/kotlin/com/xquare/v1userservice/user/router/UserHandler.kt
+++ b/user-infrastructure/src/main/kotlin/com/xquare/v1userservice/user/router/UserHandler.kt
@@ -133,7 +133,7 @@ class UserHandler(
             accountId = this.accountId,
             password = this.password,
             name = this.name,
-            profileFileName = this.profileFileName,
+            profileFileName = this.profileFileName?: "",
             classNum = this.classNum,
             grade = this.grade,
             num = this.num,