diff --git a/bocai.db b/bocai.db
index 046189b..9586214 100644
Binary files a/bocai.db and b/bocai.db differ
diff --git a/src/main/java/com/tem/bocai/controller/ChartController.java b/src/main/java/com/tem/bocai/controller/ChartController.java
index bc1de30..3ce09b6 100644
--- a/src/main/java/com/tem/bocai/controller/ChartController.java
+++ b/src/main/java/com/tem/bocai/controller/ChartController.java
@@ -36,13 +36,20 @@ public class ChartController {
             // 计算当前时间
             Date currentTime = new Date();
 
+            // 计算结束时间（明天的00:00:00）
+            Calendar endCalendar = (Calendar) calendar.clone();
+            endCalendar.add(Calendar.DAY_OF_MONTH, 1);
+            Date endOfDay = endCalendar.getTime();
+            // 将startTime和endTime转换为字符串格式，使用"yyyy-MM-dd HH:mm:ss"格式
+            String startTimeStr = DateFormatUtils.format(startOfDay, "yyyy-MM-dd HH:mm:ss");
+            String endTimeStr = DateFormatUtils.format(endOfDay, "yyyy-MM-dd HH:mm:ss");
+            List<CompletedToday> todayData = completedTodayRepository.findTodayData(startTimeStr, endTimeStr);
             // 从数据库获取今日的CompletedToday数据
-            List<CompletedToday> todayData = completedTodayRepository.findByCreateTimeAfter(startOfDay);
-            
+
             // 过滤出当前时间之前的数据
             List<CompletedToday> filteredData = new ArrayList<>();
             for (CompletedToday item : todayData) {
-                if (item.getCreateTime().before(currentTime)) {
+                if (item.getCreateTime().after(startOfDay)) {
                     filteredData.add(item);
                 }
             }
diff --git a/src/main/java/com/tem/bocai/repository/CompletedTodayRepository.java b/src/main/java/com/tem/bocai/repository/CompletedTodayRepository.java
index 2055ebf..b90cba6 100644
--- a/src/main/java/com/tem/bocai/repository/CompletedTodayRepository.java
+++ b/src/main/java/com/tem/bocai/repository/CompletedTodayRepository.java
@@ -30,4 +30,7 @@ public interface CompletedTodayRepository extends JpaRepository<CompletedToday,
     @Query("SELECT ct FROM CompletedToday ct WHERE ct.time >= :startTime")
     List<CompletedToday> findByCreateTimeAfter(@Param("startTime") Date startTime);
 
+    @Query(value = "SELECT * FROM completed_today WHERE create_time >= :startTime AND create_time < :endTime", nativeQuery = true)
+    List<CompletedToday> findTodayData(@Param("startTime") String startTime, @Param("endTime") String endTime);
+
 }