diff --git a/marking_app/lib/components/PictureOverview.dart b/marking_app/lib/components/PictureOverview.dart
index c93a840..5dc23ec 100644
--- a/marking_app/lib/components/PictureOverview.dart
+++ b/marking_app/lib/components/PictureOverview.dart
@@ -292,7 +292,7 @@ class PictureOverviewState extends ConsumerState<PictureOverview> with CommonMix
       markingUserId: widget.markingUserId,
     );
     zoomInfo = info;
-    if (double.parse(zoom.toStringAsFixed(2)) <= 1) zoom = 1;
+    // if (double.parse(zoom.toStringAsFixed(2)) <= 1) zoom = 1;
     if (imagInfoModel != null) {
       // 根据缩放比例重置被放大的图片的尺寸
       imagInfoModel = TestQuestionsImageInfo(
@@ -374,41 +374,51 @@ class PictureOverviewState extends ConsumerState<PictureOverview> with CommonMix
                     globalPosition = details.localPosition;
                     Offset localPosition = globalPosition!;
 
-                    if (imagInfoModel != null &&
-                        (localPosition.dy < imagInfoModel!.imageHeightOffsetStart! || localPosition.dy > imagInfoModel!.imageHeightOffsetend!)) {
-                      // 笔迹画出图片区域 直接断笔
-                      var dataVal = ref.read(drawMarkingProvider).data;
-                      if (dataVal.length - 1 > -1 && dataVal[dataVal.length - 1].data != null) {
-                        var newVal = ref.read(drawMarkingProvider).data..add(GestureRecording(eraser: graffitiSwitch.openEraser));
-                        var newVal1 = ref.read(drawMarkingProvider).offsets..add(null);
-                        ref.read(drawMarkingProvider.notifier).setState(DrawMarkingVal(newVal, newVal1));
-                      }
-                      illegalArea = true;
-                      return;
-                    }
-                    illegalArea = false;
+                    // if (imagInfoModel != null &&
+                    //     (localPosition.dy < imagInfoModel!.imageHeightOffsetStart! || localPosition.dy > imagInfoModel!.imageHeightOffsetend!)) {
+                    //   // 笔迹画出图片区域 直接断笔
+                    //   var dataVal = ref.read(drawMarkingProvider).data;
+                    //   if (dataVal.length - 1 > -1 && dataVal[dataVal.length - 1].data != null) {
+                    //     var newVal = ref.read(drawMarkingProvider).data..add(GestureRecording(eraser: graffitiSwitch.openEraser));
+                    //     var newVal1 = ref.read(drawMarkingProvider).offsets..add(null);
+                    //     ref.read(drawMarkingProvider.notifier).setState(DrawMarkingVal(newVal, newVal1));
+                    //   }
+                    //   illegalArea = true;
+                    //   return;
+                    // }
+                    // illegalArea = false;
+
+                    var _theKey = _zoomKey.currentState;
+                    print(_theKey);
 
                     double remainingHeight = imagInfoModel!.imageHeightOffsetStart!; // 剩余高度
                     if (remainingHeight > 1) {
                       localPosition = Offset(localPosition.dx, localPosition.dy - remainingHeight);
-
-                      // if (zoomOffset != null) {
-                      //   // var density = (imagInfoModel!.boxWidth / imagInfoModel!.scaleWidth!);
-                      //   localPosition = Offset(localPosition.dx/, localPosition.dy);
-                      // }
-                    } else {
-                      if (zoomOffset != null) {
-                        localPosition = Offset(localPosition.dx, localPosition.dy + zoomOffset!.dy.abs());
-                      }
                     }
 
-                    if (imagInfoModel?.zoom != null && imagInfoModel?.zoom != 1) {
+                    // print(localPosition.dy);
+                    print(localPosition.dx);
+
+                    double _theZoomVal = imagInfoModel?.zoom ?? 1;
+                    var _dx = zoomOffset?.dx ?? 0;
+                    _dx = _dx > 0 ? 0 : _dx.abs() / _theZoomVal;
+                    var _dy = zoomOffset?.dy ?? 0;
+                    _dy = _dy > 0 ? 0 : _dy.abs() / _theZoomVal;
+
+                    if (_theZoomVal > 1) {
                       // 计算视图被放大比例 还原笔迹坐标
-                      localPosition = Offset(localPosition.dx / imagInfoModel!.zoom, localPosition.dy / imagInfoModel!.zoom);
+                      localPosition = Offset(localPosition.dx / _theZoomVal, localPosition.dy / _theZoomVal);
                       if (zoomOffset != null) {
                         // 如果滚动条有触动就加上滚动条滚动的位置
-                        localPosition = Offset(localPosition.dx + zoomOffset!.dx.abs() / imagInfoModel!.zoom, localPosition.dy);
+                        localPosition = Offset(localPosition.dx + _dx, localPosition.dy + _dy);
                       }
+                    } else if (_theZoomVal < 1) {
+                      // 试图被缩小
+                      double imgSpaceWidthOfSingle = (imagInfoModel!.boxWidth - imagInfoModel!.scaleWidth!) / 2;
+                      localPosition = Offset((localPosition.dx - imgSpaceWidthOfSingle) / _theZoomVal, localPosition.dy / _theZoomVal + _dy);
+                      // localPosition = Offset(localPosition.dx * _theZoomVal - imgSpaceWidthOfSingle, localPosition.dy / _theZoomVal);
+                    } else {
+                      localPosition = Offset(localPosition.dx, localPosition.dy + _dy);
                     }
 
                     var newVal = ref.read(drawMarkingProvider).data..add(GestureRecording(eraser: graffitiSwitch.openEraser, data: localPosition));