修正 CreateShortcut 默认参数报错问题

Apewer.Windows/WindowsUtility.cs

@@ -1059,10 +1059,10 @@ namespace Apewer
             var wshShortcut = (IWshRuntimeLibrary.IWshShortcut)wshObject;
             var shortcut = wshShortcut;
             shortcut.TargetPath = sourcePath ?? "";
-            shortcut.Arguments = sourceArgs ?? "arg1";
-            shortcut.Description = linkDescription ?? "Invalid Description";
+            shortcut.Arguments = sourceArgs ?? "";
+            shortcut.Description = linkDescription ?? "";
             shortcut.WorkingDirectory = directory ?? "";
-            shortcut.IconLocation = linkIcon;
+            shortcut.IconLocation = linkIcon ?? sourcePath;
             shortcut.WindowStyle = 1;
             // shortcut.WorkingDirectory = "";
             // shortcut.RelativePath = "";