diff --git a/src/main/java/com/trendithon/timetris/domain/mainpage/service/DoServiceImpl.java b/src/main/java/com/trendithon/timetris/domain/mainpage/service/DoServiceImpl.java
index 5a3727f..396783c 100644
--- a/src/main/java/com/trendithon/timetris/domain/mainpage/service/DoServiceImpl.java
+++ b/src/main/java/com/trendithon/timetris/domain/mainpage/service/DoServiceImpl.java
@@ -50,6 +50,7 @@ public void updateDo(long userId, long doId, DoRequestDTO doRequestDTO) {
         Category category = categoryRepository.findById(doRequestDTO.getCategoryId())
                 .orElseThrow(() -> new CustomException(ErrorStatus.CATEGORY_NOT_FOUND_ERROR));
         done.updateDo(doRequestDTO.getTitle(), doRequestDTO.getStartTime(), doRequestDTO.getEndTime(), category);
+        doRepository.save(done);
     }
 
     @Override
diff --git a/src/main/java/com/trendithon/timetris/domain/mainpage/service/PlanServiceImpl.java b/src/main/java/com/trendithon/timetris/domain/mainpage/service/PlanServiceImpl.java
index 805ec1c..ab728ec 100644
--- a/src/main/java/com/trendithon/timetris/domain/mainpage/service/PlanServiceImpl.java
+++ b/src/main/java/com/trendithon/timetris/domain/mainpage/service/PlanServiceImpl.java
@@ -50,6 +50,7 @@ public void updatePlan(long userId, long planId, PlanRequestDTO planRequestDTO)
             throw new CustomException(ErrorStatus.NO_PERMISSION_ERROR);
         }
         plan.updatePlan(planRequestDTO.getTitle(), planRequestDTO.getStartTime(), planRequestDTO.getEndTime(), category);
+        planRepository.save(plan);
     }
 
     @Override
diff --git a/src/main/java/com/trendithon/timetris/domain/mainpage/service/SeeServiceImpl.java b/src/main/java/com/trendithon/timetris/domain/mainpage/service/SeeServiceImpl.java
index dc4583c..9947316 100644
--- a/src/main/java/com/trendithon/timetris/domain/mainpage/service/SeeServiceImpl.java
+++ b/src/main/java/com/trendithon/timetris/domain/mainpage/service/SeeServiceImpl.java
@@ -45,6 +45,7 @@ public void updateSee(long userId, long seeId, SeeRequestDTO seeRequestDTO) {
             throw new CustomException(ErrorStatus.NO_PERMISSION_ERROR);
         }
         see.updateSee(seeRequestDTO.getContent());
+        seeRepository.save(see);
     }
 
     @Override