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 7c41abb..ac61356 100644
--- a/marking_app/lib/pages/homework_correction/widget/answer_handwriting.dart
+++ b/marking_app/lib/pages/homework_correction/widget/answer_handwriting.dart
@@ -408,15 +408,14 @@ class _HandwritingDrawBoxState extends ConsumerState<HandwritingDrawBox> with Ev
             toGoPlay();
           } else {
             // 暂停
-            toGoPause();
+            toGoPause(_val.recalculate);
           }
           break;
         case PlaybackSpeedBus:
           // 播放速度
           var _model = (e as PlaybackSpeedBus);
           speed = _model.speed;
-          toGoPause(); // 先暂停再重新播放
-          dragProgressBarInitData(handwritingTime, handwritingDuration);
+          dragProgressBarInitData(handwritingDuration - handwritingTime, handwritingDuration);
           break;
         default:
       }
@@ -449,12 +448,13 @@ class _HandwritingDrawBoxState extends ConsumerState<HandwritingDrawBox> with Ev
   }
 
   // 暂停播放
-  Future<void> toGoPause() async {
+  Future<void> toGoPause(bool recalculate) async {
     timers.forEach((e) {
       if (e.isActive) e.cancel();
     });
     timers = [];
-    if (pendingData.isNotEmpty && handwritingTime > 0 && (handwritingDuration - handwritingTime > 0)) {
+    // 总时间-剩余时间=已经执行时间
+    if (recalculate && pendingData.isNotEmpty && handwritingTime > 0 && (handwritingDuration - handwritingTime > 0)) {
       // 待执行的数据不等于空 每个数据都需要减去当前暂停已经执行的时间
       pendingData = pendingData.map((e) {
         return GestureHandwritingRecording(
@@ -470,7 +470,7 @@ class _HandwritingDrawBoxState extends ConsumerState<HandwritingDrawBox> with Ev
   /// 拖动进度条后重新初始化数据
   /// @param startTime 起始时间 单位秒
   Future<void> dragProgressBarInitData(int startTime, int totalDuration) async {
-    eventFire(model: JobHandwritingPlaybarBus(false));
+    eventFire(model: JobHandwritingPlaybarBus(false, false));
     timers.forEach((e) {
       if (e.isActive) e.cancel();
     });
@@ -489,7 +489,7 @@ class _HandwritingDrawBoxState extends ConsumerState<HandwritingDrawBox> with Ev
       for (var i = 0; i < _packagedHandwritingDataAll.length; i++) {
         var item = _packagedHandwritingDataAll[i];
 
-        if (item.intervalTime < startTime) {
+        if (item.intervalTime <= startTime) {
           // 需要直接装配到直接打印的容器
           executeImmediately.add(item);
         } else {
@@ -515,29 +515,30 @@ class _HandwritingDrawBoxState extends ConsumerState<HandwritingDrawBox> with Ev
       List<GestureHandwritingRecording> trajectorys = ref.read(jobHandwritingDrawingTrajectoryProvider)..add(e);
       ref.read(jobHandwritingDrawingTrajectoryProvider.notifier).setVal(List.from(trajectorys));
       pendingData.remove(e); // 执行后删除容器中的当前动作
+      print('正在执行播放.............');
     }
   }
 
   /// 开始播放
   Future<void> toGoPlay() async {
-    handwritingTime = 0;
-    var executableData = _packagedHandwritingDataAll;
-    if (pendingData.isNotEmpty) {
-      // 待执行的数据没有执行完成 就继续执行待执行数据
-      executableData = pendingData;
-    } else {
-      pendingData.addAll(_packagedHandwritingDataAll);
-      ref.read(jobHandwritingDrawingTrajectoryProvider.notifier).setVal([]);
-    }
-
-    executableData.forEach((e) {
-      if (e.intervalTime == 0) {
-        zhixinCall(e);
+    try {
+      handwritingTime = 0;
+      var executableData = _packagedHandwritingDataAll;
+      if (pendingData.isNotEmpty) {
+        // 待执行的数据没有执行完成 就继续执行待执行数据
+        executableData = pendingData;
       } else {
+        pendingData.addAll(_packagedHandwritingDataAll);
+        ref.read(jobHandwritingDrawingTrajectoryProvider.notifier).setVal([]);
+      }
+
+      executableData.forEach((e) {
         var ter = Timer(Duration(milliseconds: e.intervalTime ~/ speed), () => zhixinCall(e));
         timers.add(ter);
-      }
-    });
+      });
+    } catch (e) {
+      print('播放报错：$e');
+    }
   }
 
   // 计算尺寸
@@ -761,7 +762,7 @@ Widget $bottomPlaybar(BuildContext context, int timeConsuming, int pauseCount, L
                     width: unitScale * (item.apart ?? 0),
                     height: 8.h,
                     decoration: BoxDecoration(
-                      color: Colors.white,
+                      color: Color.fromRGBO(202, 201, 201, 1),
                       borderRadius: isFirst
                           ? BorderRadius.only(topLeft: Radius.circular(8.r), bottomLeft: Radius.circular(10.r))
                           : (isLast ? BorderRadius.only(topRight: Radius.circular(8.r), bottomRight: Radius.circular(10.r)) : null),
@@ -780,7 +781,7 @@ Widget $bottomPlaybar(BuildContext context, int timeConsuming, int pauseCount, L
                         width: containerWidth,
                         decoration: BoxDecoration(
                           // color: Color.fromRGBO(146, 146, 146, 1),
-                          color: Color.fromRGBO(202, 201, 201, 1),
+                          color: Colors.white,
                           borderRadius: BorderRadius.circular(50.r),
                         ),
                       ),
@@ -920,7 +921,8 @@ class UseBottomPlaybar with EventBusMixin {
 // 播放按钮
 class JobHandwritingPlaybarBus {
   bool play;
-  JobHandwritingPlaybarBus(this.play);
+  bool recalculate;
+  JobHandwritingPlaybarBus(this.play, [this.recalculate = true]);
 }
 
 // 笔迹是否已经准备好(笔迹计算好坐标后通知通知栏可以开始播放)