How to recharge Century Tiancheng game coins with mobile phone

There is only one way to recharge via mobile phone: by text message. I've done it, but it's not cost-effective... It's only 5 yuan for 10 yuan, and the quantity is halved. If you want to recharge, you must first go to the recharge section of the official website and click on mobile phone recharge, then enter your mobile phone number and click OK. In a few seconds, your phone will receive the relevant text message. Then just follow the instructions he gives you. (The recharge amount is selected online)