Update src/common/database/database_model.py

Co-authored-by: sourcery-ai[bot] <58596630+sourcery-ai[bot]@users.noreply.github.com>

src/common/database/database_model.py

@@ -211,7 +211,7 @@ class PersonInfo(BaseModel):
     user_id = TextField(index=True)  # 用户ID
     nickname = TextField()  # 用户昵称
     relationship_value = IntegerField(default=0)  # 关系值
-    konw_time = FloatField()  # 认识时间 (时间戳)
+    know_time = FloatField()  # 认识时间 (时间戳)
     msg_interval = IntegerField()  # 消息间隔
     # msg_interval_list: 存储为 JSON 字符串的列表
     msg_interval_list = TextField(null=True)