diff --git a/functions.sh b/functions.sh
index 764b498..8fdc764 100644
--- a/functions.sh
+++ b/functions.sh
@@ -230,9 +230,7 @@ sshmyshellconfig() {
     [ -e /etc/bashrc ] && .  /etc/bashrc
     [ -e /etc/bash.bashrc ] && . /etc/bash.bashrc
     echo "modify ~/.bashrc"
-    if grep -q "[ -f ~/bashrc_add ] &&" ~/.bashrc ;then
-        sed -i -e '/\\[ -f ~/bashrc_add \\] &&/d' ~/.bashrc
-    fi
+    sed -e '/^if \[ -f ~\/bashrc_add \] /d' ~/.bashrc
     sed -i -e '/#MYSHELLCONFIG-start/,/#MYSHELLCONFIG-end/d' ~/.bashrc
     echo
     #printf "%s" "[ -f bashrc_add ] && . bashrc_add" | tee -a ~/.bashrc