diff --git a/src/main/java/umc/kkijuk/server/introduce/dto/IntroduceListResDto.java b/src/main/java/umc/kkijuk/server/introduce/dto/IntroduceListResDto.java
index 4a58ec81..c309a269 100644
--- a/src/main/java/umc/kkijuk/server/introduce/dto/IntroduceListResDto.java
+++ b/src/main/java/umc/kkijuk/server/introduce/dto/IntroduceListResDto.java
@@ -42,6 +42,9 @@ private String formatUpdatedAt(LocalDateTime updatedAt) {
     private String calculateTimeUntilDeadline(LocalDateTime updatedAt, LocalDateTime deadline) {
         Duration duration = Duration.between(updatedAt, deadline);
         long days = duration.toDays();
-        return days > 0 ? "D-" + days : "공고 기한 마감";
+        if (days < 8 && days > 0) {
+            return "D-" + days;
+        }
+        else return null;
     }
 }
diff --git a/src/main/java/umc/kkijuk/server/introduce/dto/IntroduceResDto.java b/src/main/java/umc/kkijuk/server/introduce/dto/IntroduceResDto.java
index aa34513a..d72c2a8d 100644
--- a/src/main/java/umc/kkijuk/server/introduce/dto/IntroduceResDto.java
+++ b/src/main/java/umc/kkijuk/server/introduce/dto/IntroduceResDto.java
@@ -52,8 +52,8 @@ private String formatUpdatedAt(LocalDateTime updatedAt) {
     private String calculateTimeUntilDeadline(LocalDateTime updatedAt, LocalDateTime deadline) {
         Duration duration = Duration.between(updatedAt, deadline);
         long days = duration.toDays();
-        if (days>6){
-            return days > 0 ? "D-" + days : "공고 기한 마감";
+        if (days < 8 && days > 0) {
+            return "D-" + days;
         }
         else return null;
     }
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 536a605f..0d8607aa 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -10,7 +10,7 @@ spring.datasource.password=testPW
 # spring jpa
 spring.jpa.database=mysql
 spring.jpa.show-sql=true
-spring.jpa.hibernate.ddl-auto=create
+spring.jpa.hibernate.ddl-auto=update
 spring.jpa.properties.hibernate.format_sql=true