diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3e539de
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.DS_Store
+._*
\ No newline at end of file
diff --git a/hidpi.sh b/hidpi.sh
index fccfb69..08f36c6 100755
--- a/hidpi.sh
+++ b/hidpi.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-sipChecker=($(csrutil status | awk '{ print $5 }'))
+sipInfo=("$(csrutil status)")
 systemVersion=($(sw_vers -productVersion | cut -d "." -f 2))
 systemLanguage=($(locale | grep LANG | sed s/'LANG='// | tr -d '"' | cut -d "." -f 1))
 
@@ -68,9 +68,11 @@ downloadHost="https://raw.githubusercontent.com/xzhih/one-key-hidpi/master"
 # downloadHost="https://raw.githubusercontent.com/xzhih/one-key-hidpi/dev"
 # downloadHost="http://127.0.0.1:8080"
 
-if [ "${sipChecker}" != "disabled." ]; then
-    echo "${disableSIP}";
-    exit 0
+if [[ "${sipInfo}" == *"Filesystem Protections: disabled"* ]] || [[ "$(awk '{print $5}' <<< "${sipInfo}")" == "disabled." ]]; then
+  :
+else
+  echo "${disableSIP}";
+  exit 0
 fi
 
 if [[ "${systemVersion}" -ge "15" ]]; then