Withdrawing the manuscript is a very serious matter. For example, foreign journals should make statements in publications and websites.

Generally speaking, it is difficult to delete papers that have been published online.

After the manuscript withdrawal needs to be contacted with the editorial department of this magazine, if the editorial department agrees to withdraw the manuscript, it will submit a letter of withdrawal to HowNet, which will withdraw the manuscript within the corresponding working days after receiving the letter of withdrawal from the magazine.