diff --git a/src/main/kotlin/org/meogo/domain/post/service/CreatePostService.kt b/src/main/kotlin/org/meogo/domain/post/service/CreatePostService.kt
index 3192aed..0378727 100644
--- a/src/main/kotlin/org/meogo/domain/post/service/CreatePostService.kt
+++ b/src/main/kotlin/org/meogo/domain/post/service/CreatePostService.kt
@@ -31,7 +31,7 @@ class CreatePostService(
             Post(
                 title = request.title,
                 content = request.content,
-                user = user!!,
+                user = user,
                 date = LocalDateTime.now(),
                 schoolId = schoolId,
                 keyWord = keyWord,
diff --git a/src/main/kotlin/org/meogo/domain/review/service/CreateReviewService.kt b/src/main/kotlin/org/meogo/domain/review/service/CreateReviewService.kt
index 6041d31..c0e4f2c 100644
--- a/src/main/kotlin/org/meogo/domain/review/service/CreateReviewService.kt
+++ b/src/main/kotlin/org/meogo/domain/review/service/CreateReviewService.kt
@@ -36,7 +36,7 @@ class CreateReviewService(
         reviewRepository.save(
             Review(
                 date = LocalDateTime.now(),
-                userId = user.id!!,
+                userId = user.id,
                 schoolId = request.schoolId,
                 star = request.star,
                 content = request.content,