diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintActivity.java b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintActivity.java
index 7e63410..73f6fe2 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintActivity.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintActivity.java
@@ -77,6 +77,8 @@
 
         paintCanvas = (PaintCanvas) findViewById(R.id.myCanvas);
         paintCanvas.setPaintViewModel(paintViewModel);
+
+        displayAid();
     }
 
     //-----------------------------------------------------------------
@@ -89,5 +91,13 @@
             }
         });
     }
+
+    //------------------------------------------------------------------
+    // デバッグ用の現在編集中のAid表示
+    private void displayAid() {
+        Acanthus acanthus = (Acanthus) getApplication();
+        binding.textViewCurAid.setText("aid:" + acanthus.getAid().toString());
+    }
+
     //------------------------------------------------------------------
 }
\ No newline at end of file
diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/paint/models/PageOperationModel.java b/app/src/main/java/org/ntlab/acanthus_client/views/paint/models/PageOperationModel.java
new file mode 100644
index 0000000..61d23a6
--- /dev/null
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/paint/models/PageOperationModel.java
@@ -0,0 +1,4 @@
+package org.ntlab.acanthus_client.views.paint.models;
+
+public class PageOperationModel {
+}
diff --git a/app/src/main/res/layout/activity_paint.xml b/app/src/main/res/layout/activity_paint.xml
index 7259018..abcf863 100644
--- a/app/src/main/res/layout/activity_paint.xml
+++ b/app/src/main/res/layout/activity_paint.xml
@@ -58,5 +58,17 @@
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintVertical_bias="0.112" />
 
+    <TextView
+        android:id="@+id/textViewCurAid"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="aid"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.147"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.213" />
+
 
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file