diff --git a/refine-domain/src/main/java/com/achobeta/domain/overview/model/valobj/StudyOverviewVO.java b/refine-domain/src/main/java/com/achobeta/domain/overview/model/valobj/StudyOverviewVO.java
index 8124813..1baa75d 100644
--- a/refine-domain/src/main/java/com/achobeta/domain/overview/model/valobj/StudyOverviewVO.java
+++ b/refine-domain/src/main/java/com/achobeta/domain/overview/model/valobj/StudyOverviewVO.java
@@ -13,17 +13,17 @@ public class StudyOverviewVO {
     /**
      *累计错题数量
      */
-    private int questionsNum;
+    private int questions_num;
     /**
      * 复习巩固率（百分比）
      */
-    private double reviewRate;
+    private double review_rate;
     /**
      * 易错知识点数量
      */
-    private int hardQuestions;
+    private int hard_questions;
     /**
      * 累计学习时长（小时）
      */
-    private int studyTime;
+    private int study_time;
 }
diff --git a/refine-domain/src/main/java/com/achobeta/domain/overview/service/extendbiz/LearningOverviewService.java b/refine-domain/src/main/java/com/achobeta/domain/overview/service/extendbiz/LearningOverviewService.java
index 637efd6..a62cd20 100644
--- a/refine-domain/src/main/java/com/achobeta/domain/overview/service/extendbiz/LearningOverviewService.java
+++ b/refine-domain/src/main/java/com/achobeta/domain/overview/service/extendbiz/LearningOverviewService.java
@@ -27,12 +27,12 @@ public class LearningOverviewService implements ILearningOverviewService{
     @Override
     public StudyOverviewVO getOverview(String userId) {
         StudyOverviewVO vo = repository.queryStudyOverview(userId);
-        if(vo == null || vo.getQuestionsNum() == 0){
+        if(vo == null || vo.getQuestions_num() == 0){
             vo = StudyOverviewVO.builder()
-                    .questionsNum(0)
-                    .reviewRate(0.0)
-                    .hardQuestions(0)
-                    .studyTime(0)
+                    .questions_num(0)
+                    .review_rate(0.0)
+                    .hard_questions(0)
+                    .study_time(0)
                     .build();
         }
         return vo;
diff --git a/refine-trigger/src/main/java/com/achobeta/trigger/http/LearningOverviewController.java b/refine-trigger/src/main/java/com/achobeta/trigger/http/LearningOverviewController.java
index aba8f91..fdbe759 100644
--- a/refine-trigger/src/main/java/com/achobeta/trigger/http/LearningOverviewController.java
+++ b/refine-trigger/src/main/java/com/achobeta/trigger/http/LearningOverviewController.java
@@ -48,10 +48,10 @@ public Response<StudyOverviewDTO> getOverview() {
             return Response.CUSTOMIZE_ERROR(REQUEST_NOT_VALID);
         }
         return Response.SYSTEM_SUCCESS(StudyOverviewDTO.builder()
-                .questionsNum(vo.getQuestionsNum())
-                .reviewRate(vo.getReviewRate())
-                .hardQuestions(vo.getHardQuestions())
-                .studyTime(vo.getStudyTime())
+                .questionsNum(vo.getQuestions_num())
+                .reviewRate(vo.getReview_rate())
+                .hardQuestions(vo.getHard_questions())
+                .studyTime(vo.getStudy_time())
                 .build());
 
     }