fix:修复表格编号错误

Author: GengGode

README.md

@@ -20,7 +20,7 @@
 | :--: | :----------------------------------------------------------: | :-------: | :--------------: | :--------------: |
 |  1   | [nocat](https://github.com/InvoluteHell/ThreeKeysProgramming/tree/master/nocat) |  38 Bytes  |       PHP        | make PHP greate again!|
 |  2   | [鼹鼠](https://github.com/InvoluteHell/ThreeKeysProgramming/tree/master/%E9%BC%B9%E9%BC%A0) |  7.6 KB  |       JavaScript        | |
-|  2   | [谓道之求](https://github.com/InvoluteHell/ThreeKeysProgramming/tree/master/%E8%B0%93%E9%81%93%E4%B9%8B%E6%B1%82) |  138 Bytes |       Matlab        |   过几天就符合规则了） |
+|  3   | [谓道之求](https://github.com/InvoluteHell/ThreeKeysProgramming/tree/master/%E8%B0%93%E9%81%93%E4%B9%8B%E6%B1%82) |  138 Bytes |       Matlab        |   过几天就符合规则了） |
 
 ## 参赛方式