diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintCanvas.java b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintCanvas.java
index a6e25ad..eaf49ad 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintCanvas.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintCanvas.java
@@ -14,9 +14,9 @@
 
 import org.ntlab.acanthus_client.entities.Position;
 import org.ntlab.acanthus_client.entities.Stroke;
-import org.ntlab.acanthus_client.views.paint.page.Point;
 
 import java.io.ByteArrayOutputStream;
+import java.util.ArrayList;
 import java.util.Base64;
 import java.util.List;
 import java.util.concurrent.ScheduledThreadPoolExecutor;
@@ -38,6 +38,8 @@
     private int localstrokeNo = 0;
     private Canvas curCanvas;
     private Bitmap image;
+    private Point curpoint;
+    private ArrayList<Point> pts;
 
     //-----------------------------------------------------------------
     //-----------------------------------------------------------------
@@ -56,7 +58,8 @@
         paint2.setStrokeWidth(20);//幅
         image = Bitmap.createBitmap(640, 480, Bitmap.Config.ARGB_8888);
         curCanvas = new Canvas(image);
-
+        pts=new ArrayList<>();
+        Point curpoint= new Point();
         thread.scheduleWithFixedDelay(this, 1000L, 2000L, TimeUnit.MILLISECONDS);
 
         invalidate();
@@ -116,6 +119,8 @@
             case MotionEvent.ACTION_UP:
                 Log.d("motion", "=====================================up======================================================");
                 paintViewModel.addPositionRequestFirst();
+                drawCanvas();
+                pts.clear();
                 break;
         }
 
@@ -137,6 +142,9 @@
     private void onTouched(float x, float y) {
         //path = new Path();
         path.moveTo(x, y);
+        curpoint.setX(x);
+        curpoint.setY(y);
+        pts.add(curpoint);
         invalidate();
     }
 
@@ -144,6 +152,9 @@
     // 押した後動かした時の処理
     private void onTouchedMove(float x, float y) {
         path.lineTo(x, y);
+        curpoint.setX(x);
+        curpoint.setY(y);
+        pts.add(curpoint);
         invalidate();
     }
 
@@ -227,7 +238,7 @@
         getCanvas();
     }
 
-    private void drawCanvas(Canvas canvas, List<Point> pts){
+    private void drawCanvas(){
         if (pts.size() > 1){
             Path path = new Path();
             final int SMOOTH_VAL = 6;
@@ -266,11 +277,11 @@
                     path.cubicTo(prev.getX() + prev.getDx(), prev.getY() + prev.getDy(), point.getX() - point.getDx(), point.getY() - point.getDy(), point.getX(), point.getY());
                 }
             }
-            canvas.drawPath(path, paint);
+            curCanvas.drawPath(path, paint);
         } else {
             if (pts.size() == 1) {
                 Point point = pts.get(0);
-                canvas.drawCircle(point.getX(), point.getY(), 2, paint);
+                curCanvas.drawCircle(point.getX(), point.getY(), 2, paint);
             }
         }
     }