diff --git a/.github/workflows/testing_shell.yml b/.github/workflows/testing_shell.yml
index 7052835..9bc81c9 100644
--- a/.github/workflows/testing_shell.yml
+++ b/.github/workflows/testing_shell.yml
@@ -14,7 +14,7 @@ jobs:
         run: |
           d=$(date "+%Y-%m-%d")
           file="/tmp/test.txt.$$" && touch --date "$d" "$file"
-          echo $file && find . -iname "*.sh" -type f -newer $file > output.txt
-          for i in $(cat output.txt); do chmod +x $i && bash $i; done
-      
+          echo $file && find . -type d \( -path ./playground -o -path ./simple_project -o -path ./basic -o -path ./usefull_command  \) -prune -o -iname "*.sh" -type f -newer $file > output.txt
+          for i in $(cat output.txt); do if [ -d "$i" ]; then echo "$i adalah folder."; elif [ -f "$i" ]; chmod +x "$i" && bash "$i"; else echo "$i tidak ditemukan atau bukan file/folder."; fi; done
+
       - run: echo "status ${{ job.status }}"
diff --git a/advance/00_regex/regex.sh b/advance/00_regex/regex.sh
index c7d6660..cef6af8 100755
--- a/advance/00_regex/regex.sh
+++ b/advance/00_regex/regex.sh
@@ -1 +1 @@
-awk -e '$1 ~ /p[o]/ {print $0}' buah.txt
\ No newline at end of file
+awk -e '$1 ~ /p[o]/ {print $0}' ./advance/00_regex/buah.txt
\ No newline at end of file
diff --git a/advance/03_user_administration/user_administration.sh b/advance/03_user_administration/user_administration.sh
index 1d0b1ed..1362e74 100644
--- a/advance/03_user_administration/user_administration.sh
+++ b/advance/03_user_administration/user_administration.sh
@@ -14,13 +14,13 @@ check_os() {
     esac
 }
 
-if ["$(dpkg -l | awk '/sudo/ {print }' | wc -l)" -le 1]; then
-    check_os()
-    sleep 5
+if [ "$(dpkg -l | awk '/sudo/ {print }' | wc -l)" -le 1 ]; 
+then
+    check_os
+fi
 
 echo -e "create new user kyora ..."
 useradd kyora && echo -e "1\n\1n" | passwd kyora
-sleep 2
 
 echo -e "add kyora to sudoers ..."
 usermod -aG sudo kyora
\ No newline at end of file