Check whether the phone number is correct, try other contact methods, etc.

1. Check whether the phone number is correct: Please make sure to dial the correct customer service phone number. You can find the customer service phone number on Ruiyinxin official website, or get the correct phone number through other channels.

2. Try other contact methods: the dialed customer service phone has been unable to connect. You can try to contact Ruiyinxin customer service through other contact methods, such as online customer service, email, social media, etc.