Mazu or Lianjiang?What is the historical origin of the names of Fujian?

The question of the territory of the Republic of China today is about "what is the historical origin of the change of name of Mazu in Fujian province called Lianjiang?""In fact, for the people of the island of Taiwan, Mazu's name is more accustomed than Lianjiang, but in fact Lianjiang's name is more orthodox than Mazu."