format readme

Author: xxnet

README.md

@@ -17,6 +17,7 @@ Support platform
 
 ## Links
 |   |   |
+| --------   | :----  |
 |Download: |https://codeload.github.com/XX-net/XX-Net/zip/v1.0.0|
 |Issues:  |https://github.com/XX-net/XX-Net/issues|
 |Discus:  |https://groups.google.com/forum/#!forum/xx-net|