Update and rename debug&release.md to debug_release.md

DragonPara · web-flow · commit 2a11f728c206 · 2022-05-31T10:34:55.000+08:00
diff --git a/src/union_compile/debug_release.md b/src/union_compile/debug_release.md
@@ -16,7 +16,7 @@ $> gcc main.f90 -o main
 ```
 
 ***debug***
-+ add flag `g`
++  add flag `g`
 ```shell
 $> gcc -g main.f90 -o main
 ```
