diff --git a/marking_app/lib/pages/homework_correction/widget/answer_handwriting.dart b/marking_app/lib/pages/homework_correction/widget/answer_handwriting.dart
index 75800ec..c167ebf 100644
--- a/marking_app/lib/pages/homework_correction/widget/answer_handwriting.dart
+++ b/marking_app/lib/pages/homework_correction/widget/answer_handwriting.dart
@@ -568,6 +568,8 @@ class _HandwritingDrawBoxState extends ConsumerState<HandwritingDrawBox> with Ev
           );
         }).toList();
 
+        newTrajectoryData.sort((a, b) => a.usageTime.compareTo(b.usageTime));
+
         _packagedHandwritingDatas.add(newTrajectoryData); // 分组数据
         _packagedHandwritingDataAll.addAll(newTrajectoryData); // 不分组数据
       }
@@ -631,7 +633,6 @@ class HandWritingDrawingPainter extends CustomPainter {
 
     var points = ctrl.value;
     var _length = points.length;
-    print('正在绘制 ${_length}');
     for (int i = 0; i < _length; i++) {
       GestureHandwritingRecording item = points[i];
       GestureHandwritingRecording? nextItem = i + 1 < _length ? points[i + 1] : null;