Modified Features
1. Reading errors of some graphics in some DXF files.
2. Some data can not be read from DXF files.
3. Cancel the function of optimizing path, which is not optimized by default.
4.Modifying the loading files several times may result in errors of multiple processing.
Newly-added Features
1. User parameters dialog box can be dragged with mouse in any part of the parameter modification dialog box that pops up , which avoids the problem that some monitors are not convenient to modify parameters.
2. Add the traditional installation instruction.