diff --git a/.idea/misc.xml b/.idea/misc.xml
index d5d35ec..860da66 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/app/src/main/java/org/ntlab/acanthus_client/resources/gallery/StrokesRest.java b/app/src/main/java/org/ntlab/acanthus_client/resources/gallery/StrokesRest.java
index e65b460..658684a 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/resources/gallery/StrokesRest.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/resources/gallery/StrokesRest.java
@@ -50,7 +50,7 @@
 
     //-----------------------------------------------------------------
     //
-    @GET("gallery/{aid}/pageMap/0/layers/0/strokes/{strokeNo}/positions")
+    @DELETE("gallery/{aid}/pageMap/0/layers/0/strokes/{strokeNo}/positions")
     Call<String> deleteStrokeNo(@Path("aid") Integer aid, @Path("strokeNo") Integer strokeNo);
     //-----------------------------------------------------------------
 }
diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintConnectionModel.java b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintConnectionModel.java
index 883feee..1708f5e 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintConnectionModel.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintConnectionModel.java
@@ -1,12 +1,18 @@
 package org.ntlab.acanthus_client.views.paint;
 
+import androidx.lifecycle.MutableLiveData;
 import androidx.navigation.ActivityNavigator;
 
 import org.ntlab.acanthus_client.Acanthus;
 import org.ntlab.acanthus_client.entities.Animation;
+import org.ntlab.acanthus_client.entities.Position;
 import org.ntlab.acanthus_client.resources.gallery.GalleryRest;
 import org.ntlab.acanthus_client.resources.gallery.StrokesRest;
 
+import java.lang.reflect.Array;
+import java.util.ArrayList;
+import java.util.Collection;
+
 import retrofit2.Call;
 import retrofit2.Callback;
 import retrofit2.Response;
@@ -21,6 +27,7 @@
     private Integer currentStrokeNo;
     private Retrofit retrofit;
     private Acanthus acanthus;
+    private Collection getPaint;
 
     //-----------------------------------------------------------------
     //-----------------------------------------------------------------
@@ -44,6 +51,7 @@
     // init
     public void init(Acanthus acanthus) {
         this.acanthus = acanthus;
+        this.getPaint = new ArrayList();
         this.retrofit = new Retrofit.Builder()
                 .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/acanthus/")
                 .addConverterFactory(ScalarsConverterFactory.create())
@@ -98,5 +106,29 @@
         });
     }
     //-----------------------------------------------------------------
+    //Getを追加
+    public void apigetPosition(MutableLiveData<Collection<Position>> paintPosition){
+        final StrokesRest strokesRest = retrofit.create(StrokesRest.class);
+
+        //-----------------------------------------------------------------
+        // 筆跡追加API
+        Call<Collection<Position>> call = strokesRest.getPositions(acanthus.getAid(),0);
+        call.enqueue(new Callback<Collection<Position>>() {
+            @Override
+            public void onResponse(Call<Collection<Position>> call, Response<Collection<Position>> response) {
+                if (response.isSuccessful()) paintPosition.setValue(response.body());
+            }
+
+            @Override
+            public void onFailure(Call<Collection<Position>> call, Throwable t) {
+
+            }
+        });
+
+    }
+
+    public Collection getPosition(){
+        return this.getPaint;
+    }
 
 }
diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintViewModel.java b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintViewModel.java
index 1f403a2..aace200 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintViewModel.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintViewModel.java
@@ -1,18 +1,27 @@
 package org.ntlab.acanthus_client.views.paint;
 
+import android.util.Log;
 import android.view.MotionEvent;
 
+import androidx.lifecycle.MutableLiveData;
 import androidx.lifecycle.ViewModel;
 
 import org.jetbrains.annotations.NotNull;
 import org.ntlab.acanthus_client.Acanthus;
+import org.ntlab.acanthus_client.entities.Position;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
 
 
 //-----------------------------------------------------------------
 // 描画処理の仲介
-public class PaintViewModel extends ViewModel {
+public class PaintViewModel extends ViewModel implements Runnable{
 
     private PaintModelContainer paintModelContainer;
+    private MutableLiveData<Collection<Position>> paintPosition;
 
     //-----------------------------------------------------------------
     //-----------------------------------------------------------------
@@ -21,6 +30,9 @@
         paintModelContainer = new PaintModelContainer(acanthus);
         paintModelContainer.getPaintConnectionModel().init(acanthus);
         paintModelContainer.getInvitesConnectionModel().init(acanthus);
+        paintPosition = new MutableLiveData<>();
+        ScheduledThreadPoolExecutor thread = new ScheduledThreadPoolExecutor(1);
+        thread.scheduleWithFixedDelay(this, 1000L, 100L, TimeUnit.MICROSECONDS);
     }
 
     //-----------------------------------------------------------------
@@ -48,7 +60,10 @@
 
     //-----------------------------------------------------------------
     // 一定間隔でサーバー上の筆跡を取得する（GET）
-    public void startObservationOfChangedStroke() {
+    @Override
+    public void run() {
+        Log.d("debug", "run: ");
+        paintModelContainer.getPaintConnectionModel().apigetPosition(paintPosition);
     }
 
     //-----------------------------------------------------------------