(Repair the card issuing function and substation function without encryption. There are detailed installation steps1. It can be used as a personal card issuing network2. The function of the substation is OK, and the substation is not limited3. It can be connected to major communities or clone websites, and the operation is simple4. Integrate the contract free interface and directly connect to your own payment account5. Optimize the corresponding speed, and the substation can select the template)