Administrator: Hebei Teacher Education Network and all-staff distance training and learning platform will be closed for maintenance from 8: 00 on February 7th to 8: 00 on February 20th. In order not to affect the learning of the participating teachers, it is decided through consultation with the training institutions that the end time of the second stage of learning will be postponed from February 10 to February 28; The end time of the third stage of study was changed from March 10 to March 25th; The start time of the fourth stage of learning was changed from February 10 to February 20, and the end time was changed from March 25 to April 10. Please inform the county counselors and all participating teachers in time.