Update README.md

Author: szheng3

README.md

@@ -107,7 +107,7 @@ click the fix button to select war exploded.
    ![idea_21](./img/16.png)
 
 24. contact us in the src/main/webapp/WEB-INF/views/pages/tiles/index.jsp from line 555-603
-   ![idea_22](./img/17.png)
+   ![idea_24](./img/17.png)
 25. Footer in the src/main/webapp/WEB-INF/views/tiles/template/defaultFooter.jsp from line 1-67
    ![idea_23](./img/18.png)