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