Will Pinduoduo send a message if the merchant doesn't read it?

Will not know. Pinduoduo sent a message to the merchant that the merchant was not online or the customer service was too busy to check the message. In this case, wait patiently for a while and you will see the reply. As a pioneer of new e-commerce, Pinduoduo is committed to integrating entertainment and social elements into the operation of e-commerce, so that more users can share benefits and fun through the mode of "social+e-commerce".