diff --git a/.github/workflows/copy-files-from-til.yml b/.github/workflows/copy-files-from-til.yml
index f53724f7..f6b29dbb 100644
--- a/.github/workflows/copy-files-from-til.yml
+++ b/.github/workflows/copy-files-from-til.yml
@@ -33,7 +33,7 @@ jobs:
                   # title, lastUpdated 속성 추가
                   echo "---" > tmpfile
                   echo "title: '${file%.*}'" >> tmpfile
-                  echo "lastUpdated: '$(git log -1 --format=%cd --date=format:%Y-%m-%d $file)'" >> tmpfile
+                  echo "lastUpdated: '$(git log -1 --format=%cd --date=format:%Y-%m-%dT%H:%M:%S $file)'" >> tmpfile
                   echo "---" >> tmpfile
                   cat "$file" >> tmpfile
                   mv tmpfile "$file"
diff --git a/test.sh b/test.sh
deleted file mode 100644
index 1fb5b322..00000000
--- a/test.sh
+++ /dev/null
@@ -1,32 +0,0 @@
-#!/bin/bash
-
-add_text_to_files() {
-    local dir="$1"
-    echo "$dir"
-    cd "$dir" || exit
-    for file in *; do
-        if [ -f "$file" ]; then
-
-            # 첫 줄이 h1으로 시작하는 경우 제목이 중복되어 보이므로 삭제
-            first_line=$(head -n 1 "$filename")
-            if [[ "$first_line" == "# "* ]]; then
-                sed -i '1d' "$filename"
-            fi
-
-            # title 속성 추가
-            filename="${file%.*}"
-            echo "---" > tmpfile
-            echo "title: '$filename'" >> tmpfile
-            echo "---" >> tmpfile
-            cat "$file" >> tmpfile
-            mv tmpfile "$file"
-
-        elif [ -d "$file" ]; then
-            add_text_to_files "$dir/$file"
-            cd "$dir"
-        fi
-    done
-}
-
-directory_path="/Users/rlaisqls/Documents/github/starlight/examples/tailwind/src/content/docs/TIL"
-add_text_to_files "$directory_path"