Immortal family: starting from building a family genius

Lin Chen traveled through time and struggled in the world of Zhenwu for decades, but due to his failure to attack the Mortal Transformation Realm, his life span was about to expire.
Seeing the end of the family, all his life's hard work will be in vain. Fortunately, he awakened his golden finger at the critical moment. As long as he continues to develop his family, he can get everything he wants.
As a result, the stubborn and powerful Lin family slowly appeared in front of the world...