1. Fixed an issue where the zoffset parameters were emptied after the factory settings were restored.
2. Modify the prompt message for height adjustment of double sprinklers.
3. Fixed the problem that there is no prompt message in the adjustment interface of the proximity switch.
4. Increase the position of the sprinkler in the X direction before resuming printing.
5. When printing a WiFi disk file, clicking Settings will display a prompt that the parameters cannot be set.

1. When modifying the nozzles switch, the feed filament parameter is M217 S16 E5 P600 R3000.
2. Double nozzle switch, slow movement distance of right nozzle increases 10mm.
3. The waiting time of 2 seconds after entering the filament when the dual nozzle switch is turned off.
4. Fixed the problem that the automatic filament feeding time returns and the material filament pull back 100mm.
5. Fixed the problem that the extruder motor was locked after the automatic entry and exit filament.
6. Fixed an issue where the shutdown could not be saved.
7. Fixed the problem of continuous call due to power outage.
8. Fixed the problem that Chinese documents could not be printed.
9. Fixed incorrect display of keys in the WiFi disk file preview interface

1.Match Wiibuilder V2.1.0.2. 2. After removing the nozzle and switching to the model, the filament feed operation is performed.