Network problems and children’s hard-pen calligraphy software problems.
1. Network problems. The network quality of the device connected to the children's hard-pen calligraphy login is not good, which makes the signal received by the children's hard-pen calligraphy software unstable, resulting in the inability to log in to the children's hard-pen calligraphy.
2. Problems with children’s hard-pen calligraphy software. The children's hard-tipped calligraphy software is being upgraded or bugs are being fixed, so children's hard-tipped calligraphy cannot be logged in.