diff --git a/src/test/java/com/coolpeace/docs/coupon/CouponControllerTest.java b/src/test/java/com/coolpeace/docs/coupon/CouponControllerTest.java
index 71697eb9..db530cd0 100644
--- a/src/test/java/com/coolpeace/docs/coupon/CouponControllerTest.java
+++ b/src/test/java/com/coolpeace/docs/coupon/CouponControllerTest.java
@@ -197,7 +197,7 @@ void searchCoupon_success() throws Exception {
                                         fieldWithPath("content[].customer_type").type(JsonFieldType.STRING).description("고객의 유형"),
                                         fieldWithPath("content[].coupon_room_type").type(JsonFieldType.STRING).description("객실의 유형"),
                                         fieldWithPath("content[].minimum_reservation_price").type(JsonFieldType.NUMBER).description("최소 예약 가격"),
-                                        fieldWithPath("content[].coupon_use_condition_days").type(JsonFieldType.ARRAY).description("쿠폰 사용 가능 요일"),
+                                        fieldWithPath("content[].coupon_use_condition_days").type(JsonFieldType.STRING).description("쿠폰 사용 가능 요일"),
                                         fieldWithPath("content[].exposure_start_date").type(JsonFieldType.STRING).description("노출 시작 날짜"),
                                         fieldWithPath("content[].exposure_end_date").type(JsonFieldType.STRING).description("노출 종료 날짜"),
                                         fieldWithPath("content[].coupon_expiration").type(JsonFieldType.NUMBER).description("쿠폰 만료 일자"),
@@ -268,7 +268,7 @@ void getCouponRecentHistory_success() throws Exception {
                                     fieldWithPath("[].customer_type").type(JsonFieldType.STRING).description("고객의 유형"),
                                     fieldWithPath("[].coupon_room_type").type(JsonFieldType.STRING).description("객실의 유형"),
                                     fieldWithPath("[].minimum_reservation_price").type(JsonFieldType.NUMBER).description("최소 예약 가격"),
-                                    fieldWithPath("[].coupon_use_condition_days").type(JsonFieldType.ARRAY).description("쿠폰 사용 가능 요일"),
+                                    fieldWithPath("[].coupon_use_condition_days").type(JsonFieldType.STRING).description("쿠폰 사용 가능 요일"),
                                     fieldWithPath("[].exposure_start_date").type(JsonFieldType.STRING).description("노출 시작 날짜"),
                                     fieldWithPath("[].exposure_end_date").type(JsonFieldType.STRING).description("노출 종료 날짜"),
                                     fieldWithPath("[].coupon_expiration").type(JsonFieldType.NUMBER).description("쿠폰 만료 일자"),
@@ -341,7 +341,7 @@ void getCouponByCouponNumber_success() throws Exception {
                                 fieldWithPath("customer_type").type(JsonFieldType.STRING).description("고객의 유형"),
                                 fieldWithPath("coupon_room_type").type(JsonFieldType.STRING).description("객실의 유형"),
                                 fieldWithPath("minimum_reservation_price").type(JsonFieldType.NUMBER).description("최소 예약 가격"),
-                                fieldWithPath("coupon_use_condition_days").type(JsonFieldType.ARRAY).description("쿠폰 사용 가능 요일"),
+                                fieldWithPath("coupon_use_condition_days").type(JsonFieldType.STRING).description("쿠폰 사용 가능 요일"),
                                 fieldWithPath("exposure_start_date").type(JsonFieldType.STRING).description("노출 시작 날짜"),
                                 fieldWithPath("exposure_end_date").type(JsonFieldType.STRING).description("노출 종료 날짜"),
                                 fieldWithPath("coupon_expiration").type(JsonFieldType.NUMBER).description("쿠폰 만료 일자"),