1. Check whether your phone number is correct. You can confirm whether the phone number you entered is correct, including the area code and number.
Wait a moment and try again. If the line is busy or you can't get through, you can try again later.
3. Go to the community health service center for on-site consultation. If the phone can't be connected all the time, you can consider visiting the community health service center for consultation.
4. Obtain information through other channels. You can get information through other channels, such as the official website of the community health service center or social media accounts, to get more information and contact information.
I hope the above methods can help you solve the problem. If you have any other questions, please feel free to ask them.