diff --git a/src/chat/replyer/default_generator.py b/src/chat/replyer/default_generator.py
index b9670452d..84342c094 100644
--- a/src/chat/replyer/default_generator.py
+++ b/src/chat/replyer/default_generator.py
@@ -26,7 +26,7 @@ from src.chat.express.expression_selector import expression_selector
 from src.chat.memory_system.memory_activator import MemoryActivator
 from src.chat.memory_system.instant_memory import InstantMemory
 from src.mood.mood_manager import mood_manager
-from src.person_info.person_info import Person, get_person_id_by_person_name
+from src.person_info.person_info import Person, get_person_id_by_person_name,is_person_known
 from src.plugin_system.base.component_types import ActionInfo, EventType
 from src.plugin_system.apis import llm_api
 
@@ -301,9 +301,8 @@ class DefaultReplyer:
             return ""
 
         # 获取用户ID
-        person_id = get_person_id_by_person_name(sender)
-        person = Person(person_id=person_id)
-        if not person_id:
+        person = Person(person_name = sender)
+        if not is_person_known(person_name=sender):
             logger.warning(f"未找到用户 {sender} 的ID，跳过信息提取")
             return f"你完全不认识{sender}，不理解ta的相关信息。"
 
diff --git a/src/person_info/person_info.py b/src/person_info/person_info.py
index ebc02b9b9..a55a9ef19 100644
--- a/src/person_info/person_info.py
+++ b/src/person_info/person_info.py
@@ -128,6 +128,8 @@ class Person:
             self.person_name = global_config.bot.nickname
             return
         
+        self.user_id = ""
+        self.platform = ""
         
         if person_id:
             self.person_id = person_id
@@ -138,6 +140,8 @@ class Person:
                 return 
         elif platform and user_id:
             self.person_id = get_person_id(platform, user_id)
+            self.user_id = user_id
+            self.platform = platform
         else:
             logger.error("Person 初始化失败，缺少必要参数")
             return 
@@ -148,8 +152,6 @@ class Person:
             return
         
         self.is_known = False
-        self.platform = platform
-        self.user_id = user_id
         
         # 初始化默认值
         self.nickname = ""
@@ -189,6 +191,8 @@ class Person:
             record = PersonInfo.get_or_none(PersonInfo.person_id == self.person_id)
             
             if record:
+                self.user_id = record.user_id if record.user_id else ""
+                self.platform = record.platform if record.platform else "" 
                 self.is_known = record.is_known if record.is_known else False
                 self.nickname = record.nickname if record.nickname else ""
                 self.person_name = record.person_name if record.person_name else self.nickname
@@ -300,6 +304,9 @@ class Person:
             logger.error(f"同步用户 {self.person_id} 信息到数据库时出错: {e}")
             
     def build_relationship(self,points_num=3):
+        print(self.person_name,self.nickname,self.platform,self.is_known)
+        
+        
         if not self.is_known:
             return ""
         
@@ -327,8 +334,8 @@ class Person:
         points_text = "\n".join([f"{point[2]}：{point[0]}" for point in points])
 
         nickname_str = ""
-        if self.person_name != nickname_str:
-            nickname_str = f"(ta在{self.platform}上的昵称是{nickname_str})"
+        if self.person_name != self.nickname:
+            nickname_str = f"(ta在{self.platform}上的昵称是{self.nickname})"
 
         relation_info = ""