diff --git a/app/__init__.py b/app/__init__.py
index 0c70453..1bf7e18 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -29,7 +29,7 @@ __version__ = "4.2.0"
 __author__ = "DLmaster361 <DLmaster_361@163.com>"
 __license__ = "GPL-3.0 license"
 
-from .core import AppConfig, QueueConfig, MaaConfig, Task, Task_manager, Main_timer
+from .core import AppConfig, QueueConfig, MaaConfig, Task, TaskManager, MainTimer
 from .models import MaaManager
 from .services import Notify, Crypto, System
 from .ui import AUTO_MAA
@@ -40,8 +40,8 @@ __all__ = [
     "QueueConfig",
     "MaaConfig",
     "Task",
-    "Task_manager",
-    "Main_timer",
+    "TaskManager",
+    "MainTimer",
     "MaaManager",
     "Notify",
     "Crypto",
diff --git a/app/ui/dispatch_center.py b/app/ui/dispatch_center.py
index e1dc839..fd9b5ec 100644
--- a/app/ui/dispatch_center.py
+++ b/app/ui/dispatch_center.py
@@ -166,20 +166,31 @@ class DispatchCenter(QWidget):
         """更新顶栏"""
 
         list = []
+        queue_numb, member_numb = 0, 0
 
         if (Config.app_path / "config/QueueConfig").exists():
             for json_file in (Config.app_path / "config/QueueConfig").glob("*.json"):
                 list.append(f"队列 - {json_file.stem}")
+                queue_numb += 1
 
         if (Config.app_path / "config/MaaConfig").exists():
             for subdir in (Config.app_path / "config/MaaConfig").iterdir():
                 if subdir.is_dir():
                     list.append(f"实例 - Maa - {subdir.name}")
+                    member_numb += 1
 
         self.script_list["主调度台"].top_bar.object.clear()
         self.script_list["主调度台"].top_bar.object.addItems(list)
-        self.script_list["主调度台"].top_bar.object.setCurrentIndex(-1)
-        self.script_list["主调度台"].top_bar.mode.setCurrentIndex(-1)
+        self.script_list["主调度台"].top_bar.mode.clear()
+        self.script_list["主调度台"].top_bar.mode.addItems(["自动代理", "人工排查"])
+
+        if queue_numb == 1:
+            self.script_list["主调度台"].top_bar.object.setCurrentIndex(0)
+        elif member_numb == 1:
+            self.script_list["主调度台"].top_bar.object.setCurrentIndex(queue_numb)
+        else:
+            self.script_list["主调度台"].top_bar.object.setCurrentIndex(-1)
+        self.script_list["主调度台"].top_bar.mode.setCurrentIndex(0)
 
 
 class DispatchBox(QWidget):
@@ -223,7 +234,6 @@ class DispatchBox(QWidget):
                 self.object = ComboBox()
                 self.object.setPlaceholderText("请选择调度对象")
                 self.mode = ComboBox()
-                self.mode.addItems(["自动代理", "人工排查"])
                 self.mode.setPlaceholderText("请选择调度模式")
 
                 self.button = PushButton("开始任务")
diff --git a/resources/version.json b/resources/version.json
index 978c640..d30da5b 100644
--- a/resources/version.json
+++ b/resources/version.json
@@ -1,7 +1,7 @@
 {
     "main_version": "4.2.3.1",
     "updater_version": "1.1.1.3",
-    "announcement": "\n## 新增功能\n- 添加`简洁用户列表下相邻两个任务间的切换方式`可选项\n## 修复BUG\n- 修复静默代理标记移除异常情况\n## 程序优化\n- 优化MAA关闭方法\n- 添加高级代理文件校验过程\n- 升级日志监看方法",
+    "announcement": "\n## 新增功能\n- 添加`简洁用户列表下相邻两个任务间的切换方式`可选项\n## 修复BUG\n- 修复静默代理标记移除异常情况\n## 程序优化\n- 优化MAA关闭方法\n- 添加高级代理文件校验过程\n- 升级日志监看方法\n- 优化部分代码逻辑\n- 优化部分UI显示\n- 优化部分提示信息\n- 优化主调度台默认选项",
     "proxy_list": [
         "",
         "https://gitproxy.click/",