diff --git a/.github/workflows/test-without-model.yml b/.github/workflows/test-without-model.yml
index 57b2979..a0fdc3b 100644
--- a/.github/workflows/test-without-model.yml
+++ b/.github/workflows/test-without-model.yml
@@ -44,7 +44,7 @@ jobs:
         id: check_changes
         run: |
           MODEL_CHANGED=false
-          if git diff --name-only | grep -q ${{ env.WORKING_DIRECTORY }}/application/models/; then
+          if git diff --name-only | grep -c ${{ env.WORKING_DIRECTORY }}/application/models/; > 0 then
             echo $MODEL_CHANGED
             MODEL_CHANGED=true
           fi
diff --git a/0 b/0
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/0
@@ -0,0 +1 @@
+0
diff --git a/application/application/models/user.py b/application/application/models/user.py
index 9dc36fa..7a94421 100644
--- a/application/application/models/user.py
+++ b/application/application/models/user.py
@@ -7,7 +7,7 @@
 
 
 class User(AbstractUser):
-    """システムユーザ"""
+    """システムユーザModel"""
 
     username_validator = UnicodeUsernameValidator()