数据库无法备份

数据库无法备份和新建数据库。提示页面以下内容：
面板：8.0.4

出错了，面板运行时发生错误！
UnicodeEncodeError: 'latin-1' codec can't encode character '\uff1e' in position 5: ordinal not in range(256)

Traceback (most recent call last):
  File "/www/server/panel/BTPanel/__init__.py", line 2106, in publicObject
    res = run_obj.run(toObject, defs, get)
  File "/www/server/panel/BTPanel/__init__.py", line 2053, in run
    result = getattr(toObject, get.action)(get)
  File "/www/server/panel/class/database.py", line 918, in ToBackup
    flag, conn_config = self.__get_db_name_config(db_name)
  File "/www/server/panel/class/database.py", line 2200, in __get_db_name_config
    result = panelMysql.panelMysql().execute("show databases")
  File "/www/server/panel/class/panelMysql.py", line 104, in execute
    if not self.__Conn(): return self.__DB_ERR
  File "/www/server/panel/class/panelMysql.py", line 60, in __Conn
    self.__DB_CONN = MySQLdb.connect(host = self.__DB_HOST,user = self.__DB_USER,passwd = self.__DB_PASS,port = self.__DB_PORT,charset="utf8",connect_timeout=1,unix_socket=socket)
  File "/www/server/panel/pyenv/lib/python3.7/site-packages/pymysql/connections.py", line 294, in __init__
    self.password = self.password.encode("latin1")
UnicodeEncodeError: 'latin-1' codec can't encode character '\uff1e' in position 5: ordinal not in range(256)


我们已按照宝塔论坛给出的方法设置了系统编码，还是无法备份数据库，另外也尝试其他方法，如修复宝塔节点以及DNS等也是无法解决。