diff --git a/src/MaaWpfGui/Configuration/Factory/ConfigFactory.cs b/src/MaaWpfGui/Configuration/Factory/ConfigFactory.cs
index d20a45d592..5ff9f95cfb 100644
--- a/src/MaaWpfGui/Configuration/Factory/ConfigFactory.cs
+++ b/src/MaaWpfGui/Configuration/Factory/ConfigFactory.cs
@@ -23,7 +23,6 @@ using System.Text.Json.Serialization;
 using System.Text.Unicode;
 using System.Threading;
 using System.Threading.Tasks;
-using MaaWpfGui.Configuration.Global;
 using MaaWpfGui.Configuration.Single;
 using MaaWpfGui.Helper;
 using ObservableCollections;
@@ -143,7 +142,7 @@ namespace MaaWpfGui.Configuration.Factory
                     OnPropertyChanged("Root.Configurations", null, null);
                 };
 
-                parsed.Timers.CollectionChanged += OnCollectionChangedFactory<int, Timer>("Root.Timers.");
+                parsed.Timers.CollectionChanged += OnCollectionChangedFactory<int, Global.Timer>("Root.Timers.");
                 parsed.VersionUpdate.PropertyChanged += OnPropertyChangedFactory();
                 parsed.AnnouncementInfo.PropertyChanged += OnPropertyChangedFactory();
                 parsed.GUI.PropertyChanged += OnPropertyChangedFactory();
diff --git a/src/MaaWpfGui/Configuration/Global/AnnouncementInfo.cs b/src/MaaWpfGui/Configuration/Global/AnnouncementInfo.cs
index 3e923aad5f..136a8a9c71 100644
--- a/src/MaaWpfGui/Configuration/Global/AnnouncementInfo.cs
+++ b/src/MaaWpfGui/Configuration/Global/AnnouncementInfo.cs
@@ -12,6 +12,7 @@
 // </copyright>
 
 using System.ComponentModel;
+using MaaWpfGui.Configuration.Factory;
 
 namespace MaaWpfGui.Configuration.Global
 {
diff --git a/src/MaaWpfGui/Configuration/Global/GUI.cs b/src/MaaWpfGui/Configuration/Global/GUI.cs
index 76fb698297..1a05ee7aa8 100644
--- a/src/MaaWpfGui/Configuration/Global/GUI.cs
+++ b/src/MaaWpfGui/Configuration/Global/GUI.cs
@@ -12,6 +12,7 @@
 // </copyright>
 
 using System.ComponentModel;
+using MaaWpfGui.Configuration.Factory;
 using MaaWpfGui.Helper;
 using MaaWpfGui.Models;
 
diff --git a/src/MaaWpfGui/Configuration/Global/VersionUpdate.cs b/src/MaaWpfGui/Configuration/Global/VersionUpdate.cs
index bba1262b6c..ab2350f4ca 100644
--- a/src/MaaWpfGui/Configuration/Global/VersionUpdate.cs
+++ b/src/MaaWpfGui/Configuration/Global/VersionUpdate.cs
@@ -13,6 +13,7 @@
 
 #nullable enable
 using System.ComponentModel;
+using MaaWpfGui.Configuration.Factory;
 
 namespace MaaWpfGui.Configuration.Global
 {