diff --git a/src/plugins/chat/config.py b/src/plugins/chat/config.py
index 7aed9eee..b4b37aed 100644
--- a/src/plugins/chat/config.py
+++ b/src/plugins/chat/config.py
@@ -96,6 +96,13 @@ class BotConfig:
     memory_ban_words: list = field(
         default_factory=lambda: ["表情包", "图片", "回复", "聊天记录"]
     )  # 添加新的配置项默认值
+    
+    # 夜间模式配置项
+    night_mode_enable: bool = True  # 是否启用夜间模式
+    night_mode_start_hour: int = 0  # 夜间模式开始小时
+    night_mode_end_hour: int = 7  # 夜间模式结束小时
+    night_mode_willing_factor: float = 0.3  # 夜间模式意愿衰减因子
+    night_mode_probability_factor: float = 0.2  # 夜间模式概率衰减因子
 
     @staticmethod
     def get_config_dir() -> str:
@@ -325,6 +332,15 @@ class BotConfig:
             others_config = parent["others"]
             config.enable_advance_output = others_config.get("enable_advance_output", config.enable_advance_output)
             config.enable_kuuki_read = others_config.get("enable_kuuki_read", config.enable_kuuki_read)
+            
+            # 在版本 >= 0.0.6 时才处理夜间模式配置项
+            if config.INNER_VERSION in SpecifierSet(">=0.0.6") and "night_mode" in others_config:
+                night_config = others_config["night_mode"]
+                config.night_mode_enable = night_config.get("enable", config.night_mode_enable)
+                config.night_mode_start_hour = night_config.get("start_hour", config.night_mode_start_hour)
+                config.night_mode_end_hour = night_config.get("end_hour", config.night_mode_end_hour)
+                config.night_mode_willing_factor = night_config.get("willing_factor", config.night_mode_willing_factor)
+                config.night_mode_probability_factor = night_config.get("probability_factor", config.night_mode_probability_factor)
 
         # 版本表达式：>=1.0.0,<2.0.0
         # 允许字段：func: method, support: str, notice: str, necessary: bool
diff --git a/src/plugins/chat/willing_manager.py b/src/plugins/chat/willing_manager.py
index 116ee3f8..2a5de42e 100644
--- a/src/plugins/chat/willing_manager.py
+++ b/src/plugins/chat/willing_manager.py
@@ -1,6 +1,7 @@
 import asyncio
 from loguru import logger
 from .config import global_config
+from datetime import datetime  # 用于获取当前时间
 
 
 class WillingManager:
@@ -85,6 +86,25 @@ class WillingManager:
         if group_id in config.talk_frequency_down_groups:
             reply_probability = reply_probability / down_frequency_rate
 
+        # 【夜间模式】根据配置的时间段大幅降低回复意愿
+        if global_config.night_mode_enable:
+            current_hour = datetime.now().hour
+            start_hour = global_config.night_mode_start_hour
+            end_hour = global_config.night_mode_end_hour
+            
+            # 处理跨午夜的情况
+            is_night_time = False
+            if start_hour < end_hour:  # 例如：0点到7点
+                is_night_time = start_hour <= current_hour < end_hour
+            else:  # 例如：22点到8点(跨午夜)
+                is_night_time = current_hour >= start_hour or current_hour < end_hour
+                
+            if is_night_time:
+                logger.debug(f"夜间模式生效（{current_hour}时）")
+                # 双重抑制：既降低当前意愿又减少回复概率
+                current_willing *= global_config.night_mode_willing_factor  # 意愿衰减
+                reply_probability *= global_config.night_mode_probability_factor  # 概率衰减
+
         reply_probability = min(reply_probability, 1)
 
         self.group_reply_willing[group_id] = min(current_willing, 3.0)
diff --git a/template/bot_config_template.toml b/template/bot_config_template.toml
index 126fc501..98e8e06b 100644
--- a/template/bot_config_template.toml
+++ b/template/bot_config_template.toml
@@ -101,6 +101,15 @@ word_replace_rate=0.006 # 整词替换概率
 enable_advance_output = true # 是否启用高级输出
 enable_kuuki_read = true # 是否启用读空气功能
 
+[others.night_mode] # 夜间模式配置
+enable = true # 是否启用夜间模式
+start_hour = 0 # 夜间模式开始时间（小时，0-23）
+end_hour = 7 # 夜间模式结束时间（小时，0-23）
+willing_factor = 0.3 # 意愿衰减因子（0-1之间，越小抑制越强）
+probability_factor = 0.2 # 概率衰减因子（0-1之间，越小抑制越强）
+# 注：如需设置跨午夜的时间段（如22点到次日8点），
+# 请设置 start_hour = 22, end_hour = 8
+
 [groups]
 talk_allowed = [
     123,