For those who have the same problem as me. This solved it.
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Thank you for your email and we are sorry for the late reply.
Please be informed that we check with technical department, as per our technical team mention, there is configuration issue with S-Health. S-Health application allows only in developer mode to get the steps or exercise. Please try to configure as SHealth-->Settings-->About--> multiple click on version number. Then try to de-link and link and sync. Please maintain proper internet connection when syncing.
Should you require further assistance, feel free to contact us at 1800 248 8000 or send us an email at
support@aiavitality.com.sg.
Real change to health begins at AIAVitality.com.sg.
Yours Sincerely
Vitality Support