diff --git a/src/MaaWpfGui/Helper/Instances.cs b/src/MaaWpfGui/Helper/Instances.cs
index d1ea377a8a..376958f0da 100644
--- a/src/MaaWpfGui/Helper/Instances.cs
+++ b/src/MaaWpfGui/Helper/Instances.cs
@@ -32,7 +32,7 @@ namespace MaaWpfGui.Helper
     {
         public static class Data
         {
-            public static FightSettingsUserControlModel.FightTimes FightTimes { get; set; }
+            public static FightSettingsUserControlModel.FightTimes FightTimes { get; set; } = new();
 
             public static FightSettingsUserControlModel.SanityInfo? SanityReport { get; set; }
 
diff --git a/src/MaaWpfGui/ViewModels/UserControl/TaskQueue/FightSettingsUserControlModel.cs b/src/MaaWpfGui/ViewModels/UserControl/TaskQueue/FightSettingsUserControlModel.cs
index 02fa673845..ac25a3fde9 100644
--- a/src/MaaWpfGui/ViewModels/UserControl/TaskQueue/FightSettingsUserControlModel.cs
+++ b/src/MaaWpfGui/ViewModels/UserControl/TaskQueue/FightSettingsUserControlModel.cs
@@ -864,12 +864,12 @@ public class FightSettingsUserControlModel : TaskViewModel
     public class FightTimes
     {
         [JsonProperty("sanity_cost")]
-        public int SanityCost { get; set; }
+        public int SanityCost { get; set; } = -1;
 
         [JsonProperty("series")]
-        public int Series { get; set; }
+        public int Series { get; set; } = -1;
 
         [JsonProperty("times_finished")]
-        public int TimesFinished { get; set; }
+        public int TimesFinished { get; set; } = -1;
     }
 }