diff --git a/android/.kotlin/sessions/kotlin-compiler-14046800171960427801.salive b/android/.kotlin/sessions/kotlin-compiler-14046800171960427801.salive
deleted file mode 100644
index e69de29..0000000
diff --git a/lib/services/app_database.dart b/lib/services/app_database.dart
index 24dbfdd..dda0a94 100644
--- a/lib/services/app_database.dart
+++ b/lib/services/app_database.dart
@@ -165,7 +165,7 @@ class AppDatabase {
         stroke_width REAL    NOT NULL DEFAULT 3.0,
         stroke_color TEXT    NOT NULL DEFAULT '#FFD700',
         label        TEXT    NOT NULL DEFAULT '',
-        created_at   TEXT    NOT NULL
+        created_at   TEXT    NOT NULL,
         created_by   TEXT,
         updated_at   TEXT,
         deleted_at   TEXT,