diff --git a/src/agents/extract_people_agent.py b/src/agents/extract_people_agent.py
index 1e62721..9ef9029 100644
--- a/src/agents/extract_people_agent.py
+++ b/src/agents/extract_people_agent.py
@@ -21,7 +21,7 @@ class ExtractPeopleAgent(BaseAgent):
                 "身高(cm) height\n"
                 "婚姻状况 marital_status\n"
                 "择偶要求 match_requirement\n"
-                "以上信息需要严格按照 JSON 格式输出 字段名与条目中英文保持一致。\n"
+                "以上信息需要严格按照 JSON 格式输出 字段名与条目中英文保持一致; 若未识别到以上的某项，则不返回该字段，不要自行填写“未知”，“未填写”等类似字眼。\n"
                 "其中，'年龄 age' 和 '身高(cm) height' 必须是一个整数，不能是一个字符串；\n"
                 "并且，'性别 gender' 根据识别结果，必须从 男,女,未知 三选一填写。\n"
                 "除了上述基本信息，还有一个字段\n"
diff --git a/src/models/people.py b/src/models/people.py
index 1b60f26..68bbadc 100644
--- a/src/models/people.py
+++ b/src/models/people.py
@@ -170,15 +170,15 @@ class People:
     def validate(self) -> error:
         err = error(ErrorCode.SUCCESS, "")
         if not self.name:
-            logging.error("Name is required")
-            err = error(ErrorCode.MODEL_ERROR, "Name is required")
+            logging.error("Name is required, use default")
+            self.name = ""
         if not self.gender in ['男', '女', '未知']:
-            logging.error("Gender must be '男', '女', or '未知'")
-            err = error(ErrorCode.MODEL_ERROR, "Gender must be '男', '女', or '未知'")
-        if not isinstance(self.age, int) or self.age <= 0:
-            logging.error("Age must be an integer and greater than 0")
-            err = error(ErrorCode.MODEL_ERROR, "Age must be an integer and greater than 0")
-        if not isinstance(self.height, int) or self.height <= 0:
-            logging.error("Height must be an integer and greater than 0")
-            err = error(ErrorCode.MODEL_ERROR, "Height must be an integer and greater than 0")
+            logging.error("Gender must be '男', '女', or '未知', use default")
+            self.gender = "未知"
+        if not isinstance(self.age, int) or self.age < 0:
+            logging.error("Age must be an integer and greater than 0, use default")
+            self.age = 0
+        if not isinstance(self.height, int) or self.height < 0:
+            logging.error("Height must be an integer and greater than 0, use default")
+            self.height = 0
         return err