diff --git a/CHANGELOG.md b/CHANGELOG.md
index 02f803d..fdff6af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 2026.4.3
+- Chg: forループ内でlastReadを記録するように
+- Chg: lastReadを時刻ベースに
+
 # 2026.4.2
 - Fix: id除外が機能しない問題
 
diff --git a/package.json b/package.json
index 3b8a044..ba3934d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "notice-uwuzu",
-  "version": "2026.4.2",
+  "version": "2026.4.3",
   "type": "module",
   "main": "dist/index.js",
   "scripts": {
diff --git a/src/feature/command/index.ts b/src/feature/command/index.ts
index 6adefa5..eb7705c 100644
--- a/src/feature/command/index.ts
+++ b/src/feature/command/index.ts
@@ -23,9 +23,7 @@ try {
     });
 
     if (response.success) {
-      const notifications = response.data
-        .filter(notification => notification.category === "reply" && typeof notification.valueid === "string")
-        .sort((a, b) => new Date(b.datetime).getTime() - new Date(a.datetime).getTime());
+      const notifications = response.data.filter(notification => notification.category === "reply" && typeof notification.valueid === "string");
 
       const mem = Memory.memory;
       const lastReadReply = mem.lastReadReply;
@@ -68,8 +66,7 @@ try {
     });
 
     if (response.success) {
-      const mentions = response.data
-        .sort((a, b) => new Date(b.datetime).getTime() - new Date(a.datetime).getTime());
+      const mentions = response.data;
 
       const mem = Memory.memory;
       const lastReadMention = mem.lastReadMention;