diff --git a/configs/zsh/functions.zsh b/configs/zsh/functions.zsh
index 644aa8d..c701202 100644
--- a/configs/zsh/functions.zsh
+++ b/configs/zsh/functions.zsh
@@ -4,4 +4,5 @@ source $(dirname "$0")/functions/start.zsh;
 source $(dirname "$0")/functions/wp.zsh;
 source $(dirname "$0")/functions/y.zsh;
 source $(dirname "$0")/functions/fp.zsh;
-source $(dirname "$0")/functions/mke.zsh;
\ No newline at end of file
+source $(dirname "$0")/functions/mke.zsh;
+source $(dirname "$0")/functions/rn.zsh;
\ No newline at end of file
diff --git a/configs/zsh/functions/rn.zsh b/configs/zsh/functions/rn.zsh
new file mode 100644
index 0000000..2250042
--- /dev/null
+++ b/configs/zsh/functions/rn.zsh
@@ -0,0 +1,3 @@
+function rn(){
+  find . -name "*.$1" -exec sh -c 'mv "$0" "${0%.'$1'}.'$2'"' {} \;
+}
\ No newline at end of file