Update README.md

Author: ATPs

README.md

@@ -62,8 +62,7 @@ Main features:
   * For user-generated GTF files, protein annotations generated by [TransDecoder](https://github.com/TransDecoder/TransDecoder/wiki) was tested. 
   * We provided [an example of running TransDecoder with example files](https://github.com/ATPs/PrecisionProDB/wiki/An-Example-of-Running-TransDecoder).
 
-The figure below shows how PrecisionProDB works:
-<img src="./media/Figs.design.complete.png" width="900">
+[Click to see how PrecisionProDB works on the wiki page](https://github.com/ATPs/PrecisionProDB/wiki/Scheme-of-how-PrecisionProDB-works)
 
 # Installation
 [⬆️](#PrecisionProDB)