diff --git a/ccc.cls b/ccc.md
similarity index 96%
rename from ccc.cls
rename to ccc.md
index cef94c2e60bfdb3cd17e4207b2860db44244b72f..ca3f7d645cb5a48cfed5cb712e26f13e193baa5b 100644
--- a/ccc.cls
+++ b/ccc.md
@@ -1,4 +1,5 @@
 
+```cos
 /// Description: 以某固定分隔符拼接多个字符
 ClassMethod ConnactString(split = ",", pArgs...)
 {
@@ -10,3 +11,4 @@ ClassMethod ConnactString(split = ",", pArgs...)
     }
     q ret
 }
+```
\ No newline at end of file