diff --git a/Manager/BusinessManager.cs b/Manager/BusinessManager.cs
new file mode 100644
index 0000000..8574d53
--- /dev/null
+++ b/Manager/BusinessManager.cs
@@ -0,0 +1,12 @@
+
+
+namespace Zerolauncher.Manager
+{
+	static class BusinessManager
+	{
+		public static bool checkIsBuy()
+		{
+			return false;
+		}
+	}
+}