diff --git a/jason.xcodeproj/project.xcworkspace/xcuserdata/jason.xcuserdatad/UserInterfaceState.xcuserstate b/jason.xcodeproj/project.xcworkspace/xcuserdata/jason.xcuserdatad/UserInterfaceState.xcuserstate
index ce8f329..1d838c3 100644
Binary files a/jason.xcodeproj/project.xcworkspace/xcuserdata/jason.xcuserdatad/UserInterfaceState.xcuserstate and b/jason.xcodeproj/project.xcworkspace/xcuserdata/jason.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/jason/.DS_Store b/jason/.DS_Store
new file mode 100644
index 0000000..5008ddf
Binary files /dev/null and b/jason/.DS_Store differ
diff --git a/jason/Item.swift b/jason/Item.swift
deleted file mode 100644
index e5e7ee8..0000000
--- a/jason/Item.swift
+++ /dev/null
@@ -1,18 +0,0 @@
-//
-//  Item.swift
-//  jason
-//
-//  Created by Jason on 2024/1/16.
-//
-
-import Foundation
-import SwiftData
-
-@Model
-final class Item {
-    var timestamp: Date
-    
-    init(timestamp: Date) {
-        self.timestamp = timestamp
-    }
-}