diff --git a/.idea/deploymentTargetDropDown.xml b/.idea/deploymentTargetDropDown.xml
index 4bd28f7..7f74339 100644
--- a/.idea/deploymentTargetDropDown.xml
+++ b/.idea/deploymentTargetDropDown.xml
@@ -7,11 +7,11 @@
         <deviceKey>
           <Key>
             <type value="VIRTUAL_DEVICE_PATH" />
-            <value value="C:\Users\student\.android\avd\Nexus_S_API_29.avd" />
+            <value value="C:\Users\ryooc\.android\avd\Pixel_4_API_28.avd" />
           </Key>
         </deviceKey>
       </Target>
     </targetSelectedWithDropDown>
-    <timeTargetWasSelectedWithDropDown value="2021-10-15T03:47:57.620234500Z" />
+    <timeTargetWasSelectedWithDropDown value="2021-10-16T14:14:58.781978100Z" />
   </component>
 </project>
\ No newline at end of file
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 a7f86ff..4088f9a 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
@@ -38,7 +38,11 @@
     private int localstrokeNo = 0;
     private Canvas curCanvas;
     private Bitmap image;
-    private ArrayList<Point> pts;
+    private int curw;
+    private int curh;
+    private int curoldw;
+    private int curoldh;
+
 
     //-----------------------------------------------------------------
     //-----------------------------------------------------------------
@@ -57,7 +61,6 @@
         paint2.setStrokeWidth(20);//幅
         //image = Bitmap.createBitmap(640, 480, Bitmap.Config.ARGB_8888);
         //curCanvas = new Canvas(image);
-        pts=new ArrayList<>();
         thread.scheduleWithFixedDelay(this, 1000L, 2000L, TimeUnit.MILLISECONDS);
 
         invalidate();
@@ -111,14 +114,11 @@
                 Log.d("motion", "move");
                 onTouchedMove(x, y);
                 paintViewModel.addPositionRequest(x, y);
-                curCanvas.drawBitmap(image,x,y,paint);
                 break;
 
             case MotionEvent.ACTION_UP:
                 Log.d("motion", "=====================================up======================================================");
                 paintViewModel.addPositionRequestFirst();
-                //drawCanvas();
-                pts.clear();
                 break;
         }
 
@@ -141,9 +141,6 @@
         //path = new Path();
         Point curpoint = new Point();
         path.moveTo(x, y);
-        curpoint.setX(x);
-        curpoint.setY(y);
-        pts.add(curpoint);
         invalidate();
     }
 
@@ -152,9 +149,6 @@
     private void onTouchedMove(float x, float y) {
         path.lineTo(x, y);
         Point curpoint = new Point();
-        curpoint.setX(x);
-        curpoint.setY(y);
-        pts.add(curpoint);
         invalidate();
     }
 
@@ -202,26 +196,34 @@
         ByteArrayOutputStream stream = new ByteArrayOutputStream();
         image.compress(Bitmap.CompressFormat.PNG, 100, stream);
         byte[] byteArray = stream.toByteArray();
-        byte[] encode = Base64.getEncoder().encode(byteArray);
+        String encode = Base64.getEncoder().encodeToString(byteArray);
         Log.d("motion", "=====================================up======================================================");
         Log.d("motion", "=====================================up======================================================");
-        Log.d("byteArray", byteArray.toString());
-        Log.d("byteImage", encode.toString());
-
-        System.out.println("size:" + encode.length);
-
-        for (int i = 0; i < encode.length; i++) {
-            Byte b = encode[i];
-            System.out.println("b[" + i + "]" + b.toString());
+        int stringcnt=0;
+        int last=0;
+        for(int i = 0; i<encode.length()/4000; i++){
+            Log.d("encode:", encode.substring(i*4000,(i+1)*4000));
+            stringcnt++;
         }
+        Log.d("encode:", encode.substring(4000*stringcnt,encode.length()));
         image.recycle();
-
+        ResetImage();
     }
 
+    protected void ResetImage(){
+        super.onSizeChanged(curw, curh, curoldw, curoldh);
+        image = Bitmap.createBitmap(curw, curh, Bitmap.Config.ARGB_8888);
+        curCanvas = new Canvas(image);
+        curCanvas.drawColor(0xFFFFFFFF);
+    }
     @Override
     protected void onSizeChanged(int w, int h, int oldw, int oldh){
+        curw=w;
+        curh=h;
+        curoldw=oldw;
+        curoldh=oldh;
         super.onSizeChanged(w, h, oldw, oldh);
-        image = Bitmap.createBitmap(680, 1200, Bitmap.Config.ARGB_8888);
+        image = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
         curCanvas = new Canvas(image);
         curCanvas.drawColor(0xFFFFFFFF);
     }
@@ -231,52 +233,4 @@
     public void run() {
         getCanvas();
     }
-
-    private void drawCanvas(){
-        if (pts.size() > 1){
-            Path path = new Path();
-            final int SMOOTH_VAL = 6;
-            for(int i = pts.size() - 2; i < pts.size(); i++){
-                if(i >= 0){
-                    Point point = pts.get(i);
-
-                    if(i == 0){
-                        Point next = pts.get(i + 1);
-                        point.setDx(((next.getX() - point.getX()) / SMOOTH_VAL));
-                        point.setDy(((next.getY() - point.getY()) / SMOOTH_VAL));
-                    }
-                    else if(i == pts.size() - 1){
-                        Point prev = pts.get(i - 1);
-                        point.setDx(((point.getX() - prev.getX()) / SMOOTH_VAL));
-                        point.setDy(((point.getY() - prev.getY()) / SMOOTH_VAL));
-                    }
-                    else{
-                        Point next = pts.get(i + 1);
-                        Point prev = pts.get(i - 1);
-                        point.setDx( ((next.getX() - prev.getX()) / SMOOTH_VAL));
-                        point.setDy( ((next.getY() - prev.getY()) / SMOOTH_VAL));
-                    }
-                }
-            }
-
-            boolean first = true;
-            for(int i = 0; i < pts.size(); i++){
-                Point point = pts.get(i);
-                if(first){
-                    first = false;
-                    path.moveTo(point.getX(), point.getX());
-                }
-                else{
-                    Point prev = pts.get(i - 1);
-                    path.cubicTo(prev.getX() + prev.getDx(), prev.getY() + prev.getDy(), point.getX() - point.getDx(), point.getY() - point.getDy(), point.getX(), point.getY());
-                }
-            }
-            curCanvas.drawPath(path, paint);
-        } else {
-            if (pts.size() == 1) {
-                Point point = pts.get(0);
-                curCanvas.drawCircle(point.getX(), point.getY(), 2, paint);
-            }
-        }
-    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/title/TitleActivity.java b/app/src/main/java/org/ntlab/acanthus_client/views/title/TitleActivity.java
index 6a1dab4..b8ca99e 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/title/TitleActivity.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/title/TitleActivity.java
@@ -5,7 +5,6 @@
 import android.os.Handler;
 import android.view.View;
 import android.widget.ImageView;
-import android.widget.TextView;
 
 import com.bumptech.glide.Glide;