diff --git a/app/src/main/java/com/example/citrusclient/viewmodels/TodoViewModel.java b/app/src/main/java/com/example/citrusclient/viewmodels/TodoViewModel.java
index 41deb9e..fa876fa 100644
--- a/app/src/main/java/com/example/citrusclient/viewmodels/TodoViewModel.java
+++ b/app/src/main/java/com/example/citrusclient/viewmodels/TodoViewModel.java
@@ -3,4 +3,10 @@
 import androidx.lifecycle.ViewModel;
 
 public class TodoViewModel extends ViewModel {
+
+    public TodoViewModel()
+    {
+        //コンストラクタ
+    }
+
 }