fix: 连战次数修复, 减少hard code

src/MaaWpfGui/ViewModels/UserControl/TaskQueue/FightSettingsUserControlModel.cs

@@ -103,18 +103,6 @@ public class FightSettingsUserControlModel : TaskViewModel
             { "炭", "SK-5" },
         };
 
-    public Dictionary<string, int> SeriesList { get; } = new()
-    {
-        { "AUTO", 1000 },
-        { "6", 6 },
-        { "5", 5 },
-        { "4", 4 },
-        { "3", 6 },
-        { "2", 2 },
-        { "1", 1 },
-        { LocalizationHelper.GetString("NotSelected"), -1 },
-    };
-
     public string?[] Stages => [Stage1, Stage2, Stage3];
 
     /// <remarks>Try to fix: issues#5742. 关卡选择为 null 时的一个补丁，可能是 StageList 改变后，wpf binding 延迟更新的问题。</remarks>
@@ -472,7 +460,31 @@ public class FightSettingsUserControlModel : TaskViewModel
         }
     }
 
-    private int _series = ConfigurationHelper.GetValue(ConfigurationKeys.SeriesQuantity, 1000);
+    public Dictionary<string, int> SeriesList { get; } = new()
+    {
+        { "AUTO", 0 },
+        { "6", 6 },
+        { "5", 5 },
+        { "4", 4 },
+        { "3", 3 },
+        { "2", 2 },
+        { "1", 1 },
+        { LocalizationHelper.GetString("NotSelected"), -1 },
+    };
+
+    private int _series = InitFightSeries();
+
+    private static int InitFightSeries()
+    {
+        var series = ConfigurationHelper.GetValue(ConfigurationKeys.SeriesQuantity, 0);
+        if (Enumerable.Range(-1, 8).Contains(series))
+        {
+            return series;
+        }
+
+        ConfigurationHelper.SetValue(ConfigurationKeys.SeriesQuantity, "0");
+        return 0;
+    }
 
     /// <summary>
     /// Gets or sets the max number of times.