**BUG**
Concise problem statement:
Unable to save any changes to a schematic, EasyEda website always returns "Network Error". Obviously there are no network issues since internet browsing is working and also searching components data in EasyEda works flawlessly.
Steps to reproduce bug:
1. Change something in schematics
2. Try to save
3.
Results: It always returns "Network Error"
Expected results: The schematics is saved.
Browser: Chrome 58
