diff --git a/src/config/config_base.py b/src/config/config_base.py
index 92f6cf9d4..6b1c5fb56 100644
--- a/src/config/config_base.py
+++ b/src/config/config_base.py
@@ -1,5 +1,5 @@
 from dataclasses import dataclass, fields, MISSING
-from typing import TypeVar, Type, Any, get_origin, get_args
+from typing import TypeVar, Type, Any, get_origin, get_args, Literal
 
 T = TypeVar("T", bound="ConfigBase")
 
@@ -102,6 +102,18 @@ class ConfigBase:
             return {cls._convert_field(k, key_type): cls._convert_field(v, value_type) for k, v in value.items()}
 
         # 处理基础类型，例如 int, str 等
+        if field_origin_type is type(None) and value is None: #处理Optional类型
+            return None
+        
+        # 处理Literal类型
+        if field_origin_type is Literal or get_origin(field_type) is Literal:
+            # 获取Literal的允许值
+            allowed_values = get_args(field_type)
+            if value in allowed_values:
+                return value
+            else:
+                raise TypeError(f"Value '{value}' is not in allowed values {allowed_values} for Literal type")
+
         if field_type is Any or isinstance(value, field_type):
             return value
 
diff --git a/template/bot_config_template.toml b/template/bot_config_template.toml
index f3822729e..ef6bbfa5c 100644
--- a/template/bot_config_template.toml
+++ b/template/bot_config_template.toml
@@ -1,5 +1,5 @@
 [inner]
-version = "2.3.0"
+version = "2.4.0"
 
 #----以下是给开发人员阅读的，如果你只是部署了麦麦，不需要阅读----
 #如果你想要修改配置文件，请在修改后将version的值进行变更