diff --git a/src/MaaCore/Task/Interface/FightTask.cpp b/src/MaaCore/Task/Interface/FightTask.cpp
index 24d50614b4..789ea26f62 100644
--- a/src/MaaCore/Task/Interface/FightTask.cpp
+++ b/src/MaaCore/Task/Interface/FightTask.cpp
@@ -78,17 +78,29 @@ bool asst::FightTask::set_params(const json::value& params)
     // 重置插件状态 1000 表示自动连战，-1 表示禁用连战切换
     m_fight_times_task_plugin_prt->set_enable(series != -1);
     m_fight_series_adjust_plugin_ptr->set_close_stone_page_next(false);
-    m_fight_series_adjust_plugin_ptr->set_enable(series == 1000);
-    if (series == 1000) {
-        series = 6;
+    if (series == 0) {
+        m_fight_series_adjust_plugin_ptr->set_enable(true);
+        m_fight_times_task_plugin_prt->set_series(6);
     }
     else if (series == -1) {
-        series = 1;
+        m_fight_times_task_plugin_prt->set_series(1);
+        m_fight_series_adjust_plugin_ptr->set_enable(false);
+    }
+    else if (series == 1000) {
+        Log.warn("================  DEPRECATED  ================");
+        Log.warn("series = 1000, 已弃用");
+        Log.warn("================  DEPRECATED  ================");
+        m_fight_times_task_plugin_prt->set_series(6);
+        m_fight_series_adjust_plugin_ptr->set_enable(true);
     }
     else if (series < 1 || series > 6) {
         Log.error("Invalid series");
         return false;
     }
+    else {
+        m_fight_times_task_plugin_prt->set_series(series);
+        m_fight_series_adjust_plugin_ptr->set_enable(false);
+    }
 
     bool enable_penguin = params.get("report_to_penguin", false);
     bool enable_yituliu = params.get("report_to_yituliu", false);
@@ -142,7 +154,6 @@ bool asst::FightTask::set_params(const json::value& params)
         .set_times_limit("StoneConfirm", stone)
         .set_times_limit("StartButton1", times)
         .set_times_limit("StartButton2", times);
-    m_fight_times_task_plugin_prt->set_series(series);
     m_medicine_plugin->set_count(medicine);
     m_medicine_plugin->set_use_expiring(expiring_medicine != 0);
     m_medicine_plugin->set_dr_grandet(is_dr_grandet);
diff --git a/src/MaaWpfGui/ViewModels/UserControl/TaskQueue/FightSettingsUserControlModel.cs b/src/MaaWpfGui/ViewModels/UserControl/TaskQueue/FightSettingsUserControlModel.cs
index ba7fcce20f..614459fb37 100644
--- a/src/MaaWpfGui/ViewModels/UserControl/TaskQueue/FightSettingsUserControlModel.cs
+++ b/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.