How long will the probation period of Dawu County power grid workers turn positive?

This person has a probation period of one month.

According to the information provided by Zhonggong Education, the recruitment announcement of grid service administrator in Dawu County, Xiaogan, Hubei Province shows that once the grid administrator is hired, Dawu County Grid Management Service Center will sign a three-year labor contract with the recruiter, with a probation period of 1 month. If the probation period is unqualified, the labor contract shall be terminated. After the expiration of three years, those who pass the examination can continue to sign labor contracts.

Probation salary of grid workers in villages and towns (communities) in Dawu County 1900 yuan/person/month (including 300 yuan/person/month performance salary). The salary of those who pass the examination after the probation period is 1900 yuan/person/month (including 300 yuan's performance salary/person/month)+post salary (50 yuan-150 yuan) +50 yuan/month's fixed-term allowance (those who pass the examination for grid workers and above will be increased once a year after working for one year).