Update env.md

Author: takkii

doc/env.md

@@ -1,6 +1,6 @@
 ### Windows11/WSL2, I can launch Sublime Debugger.
 
-![SublimeDebugger\_settings\](https://github.com/takkii/PythonSettings/blob/main/image/settings.gif)
+![SublimeDebugger_settings](https://github.com/takkii/PythonSettings/blob/main/image/settings.gif)
 
 > bash.exe -c "ip r |tail -n1|cut -d ' ' -f9"