diff --git a/add_timestamp.sh b/add_timestamp.sh
index 8ba00975..07cff781 100755
--- a/add_timestamp.sh
+++ b/add_timestamp.sh
@@ -1,29 +1,28 @@
 #!/bin/bash
-#別のマシンで作ったファイルはわからんので、それぞれのでやって古い方で上書きする必要がある
 cwd=`dirname "${0}"`
+function rewritedate () {
+	echo "$1 : $2"
+	echo $2 | xargs -I{} yq -i --front-matter="process" '.date="{}"' "$1"
+}
 FILES=$(find $cwd/content -name "*.md")
 IFS=$'\n'
 for f in $FILES
 do
 BDATE=$(stat -f "%SB" "$f");
+DATE=$(LC_ALL=C date -j -Iseconds -f "%b %d %H:%M:%S %Y" "$BDATE");
 FLINE=$(head -n 1 "$f");
-if [[ "$FLINE" == "---" ]];
-then
-echo "$f has frontmatter";
 ORIGINDATE=$(yq --front-matter=extract '.date' "$f" | date "+%s")
 LOCALDATE=$(LC_ALL=C date -j -f "%b %d %H:%M:%S %Y" "$BDATE" | date "+%s");
-
-if [ $LOCALDATE -lt $ORIGINDATE ]; then # -lt : '<'
-    echo "date of local file is older. overwriting."
-    DATE=$(LC_ALL=C date -j -Iseconds -f "%b %d %H:%M:%S %Y" "$BDATE");
-    echo "$f : $DATE"
-    echo $DATE | xargs -I{} yq -i --front-matter="process" '.date="{}"' "$f"
+GITDATE=$(git blame $f | grep -Eo '\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}'| xargs -I{} date -j -f "%Y-%m-%d %H:%M:%S" "{}" | date "+%s");
+if [[ "$FLINE" == "---" ]];
+then
+if [ $LOCALDATE -lt $ORIGINDATE ]; then 
+    echo "$f has frontmatter and date of local file is older. overwriting."
+    rewritedate $f $BDATE
 fi
 else
-echo "$f has no frontmatter, adding";
+echo "$f has no frontmatter, adding to it";
 gsed -i '1i---\n---' "$f"
-DATE=$(LC_ALL=C date -j -Iseconds -f "%b %d %H:%M:%S %Y" "$BDATE");
-echo "$f : $DATE"
-echo $DATE | xargs -I{} yq -i --front-matter="process" '.date="{}"' "$f"
+rewritedate $f $DATE
 fi
 done
\ No newline at end of file
diff --git a/content/ACEが読むと面白いかもしれない漫画、映画、ドラマとか.md b/content/ACEが読むと面白いかもしれない漫画、映画、ドラマとか.md
index bfae17af..6480ff73 100644
--- a/content/ACEが読むと面白いかもしれない漫画、映画、ドラマとか.md
+++ b/content/ACEが読むと面白いかもしれない漫画、映画、ドラマとか.md
@@ -1,5 +1,5 @@
 ---
-date: "2024-02-08T17:35:58+09:00"
+date: "2024-02-08T17:46:04+09:00"
 ---
 #book #ace
 
diff --git a/content/Obsidianノートの作成日を後から復元したい.md b/content/Obsidianノートの作成日を後から復元したい.md
index 366fdf8f..f2aec808 100644
--- a/content/Obsidianノートの作成日を後から復元したい.md
+++ b/content/Obsidianノートの作成日を後から復元したい.md
@@ -17,33 +17,31 @@ date: "2024-02-08T17:18:56+09:00"
 
 ```bash
 #!/bin/bash
-#別のマシンで作ったファイルのBirth Dateはわからんので、それぞれのマシンで実行して古い方で上書きする
 cwd=`dirname "${0}"`
+function rewritedate () {
+	echo "$1 : $2"
+	echo $2 | xargs -I{} yq -i --front-matter="process" '.date="{}"' "$1"
+}
 FILES=$(find $cwd/content -name "*.md")
 IFS=$'\n'
 for f in $FILES
 do
 BDATE=$(stat -f "%SB" "$f");
 FLINE=$(head -n 1 "$f");
-if [[ "$FLINE" == "---" ]];
-then
-echo "$f has frontmatter";
 ORIGINDATE=$(yq --front-matter=extract '.date' "$f" | date "+%s")
 LOCALDATE=$(LC_ALL=C date -j -f "%b %d %H:%M:%S %Y" "$BDATE" | date "+%s");
-
-if [ $LOCALDATE -lt $ORIGINDATE ]; then #古い方で上書き
-    echo "date of local file is older. overwriting."
+if [[ "$FLINE" == "---" ]];
+then
+if [ $LOCALDATE -lt $ORIGINDATE ]; then 
+    echo "$f has frontmatter and date of local file is older. overwriting."
     DATE=$(LC_ALL=C date -j -Iseconds -f "%b %d %H:%M:%S %Y" "$BDATE");
-    echo "$f : $DATE"
-    echo $DATE | xargs -I{} yq -i --front-matter="process" '.date="{}"' "$f"
+    rewritedate $f $BDATE
 fi
-#フロントマターがあって、その日付が最古なら何もしない
 else
-echo "$f has no frontmatter, adding";
-gsed -i '1i---\n---' "$f"
+echo "$f has no frontmatter, adding to it";
 DATE=$(LC_ALL=C date -j -Iseconds -f "%b %d %H:%M:%S %Y" "$BDATE");
-echo "$f : $DATE"
-echo $DATE | xargs -I{} yq -i --front-matter="process" '.date="{}"' "$f"
+gsed -i '1i---\n---' "$f"
+rewritedate $f $DATE
 fi
 done
 ```