1. A system for correcting text, comprising: a processor in communication with one or more types of memory, a display and external devices, embodied in a computing device, the processor configured to: determine a target text unit to be corrected in the text by selecting the target text unit from a plurality of recognized text units, wherein the target text unit is selected based on a lowest confidence value corresponding to the target text unit; display the target text unit to a user on the display of the computing device and indicate the target text unit to be corrected on the display; receive, via a graphical user interface of the computing device, a reference voice segment of the user, wherein the reference voice segment comprises a sentence of phrase; performing automatic voice recognition on the reference voice segment to obtain a reference text segment, wherein the reference text segment comprises a plurality of reference text units; determine that one of a plurality of reference text units has a pronunciation similar to a word in the target text unit, wherein the reference voice segment is in Chinese and the text is in Chinese characters that are divided into a first phoneme and a second phoneme and the pronunciation similarity between two Chinese characters is measured according to an average similarity per phoneme, wherein the average similarity per phoneme is obtained from a sum of the phoneme similarities of the two Chinese characters, that are being compared, divided by two; and correct the word in the target unit in the text using the reference text unit with the similar pronunciation.