程序运行有误

from redis_pool import pool
import redis

con = redis.Redis(connection_pool=pool)
try:
   file = open("E:\\学生信息.txt", "r", encoding="utf-8")
   data = file.read().splitlines()
   for one in data:
       temp = one.split("，")
       sid = temp[0]
       sname = temp[1]
       classno = temp[2]
       score_1 = int(temp[3])
       score_2 = int(temp[4])
       score_3 = int(temp[5])
       if score_1 >=85 and score_2 >=85 and score_3 >=85:
           con.hmset(sid, {"name": sname, "classno": classno, "score_1": score_1, "score_2": score_2, "score_3": score_3})
   print("执行成功")

except Exception as e:
   print(e)
finally:
   if "file" in dir():
       file.close()
   del con

报错信息：'utf-8' codec can't decode byte 0xb3 in position 4: invalid start byte