diff --git a/src/JiuLing.AutoUpgrade.Test/FmMain.cs b/src/JiuLing.AutoUpgrade.Test/FmMain.cs
index 295a971..ac9d345 100644
--- a/src/JiuLing.AutoUpgrade.Test/FmMain.cs
+++ b/src/JiuLing.AutoUpgrade.Test/FmMain.cs
@@ -1,4 +1,5 @@
 using JiuLing.AutoUpgrade.Shared;
+using JiuLing.AutoUpgrade.Shell;
 using JiuLing.AutoUpgrade.Shell.Creator;
 using JiuLing.AutoUpgrade.Shell.Enums;