优化4G卡类型注释

Model/models.py

@@ -2942,7 +2942,7 @@ class UnicomDeviceInfo(models.Model):
     serial_no = models.CharField(default='', max_length=32, verbose_name=u'设备序列号')
     user_id = models.CharField(blank=True, max_length=32, verbose_name=u'用户id')
     card_type = models.SmallIntegerField(default=0, verbose_name=u'状态{0:联通,1:电信,2:移动}')
-    main_card = models.SmallIntegerField(default=0, verbose_name=u'状态{0:主卡,1:拔插卡}')
+    main_card = models.SmallIntegerField(default=0, verbose_name=u'SIM卡类型{0:拔插卡,1:贴片卡}')
     updated_time = models.IntegerField(default=0, verbose_name='更新时间')
     created_time = models.IntegerField(default=0, verbose_name='创建时间')