diff --git a/src/feature/command/index.ts b/src/feature/command/index.ts
index f4ef588..6adefa5 100644
--- a/src/feature/command/index.ts
+++ b/src/feature/command/index.ts
@@ -29,16 +29,11 @@ try {
 
       const mem = Memory.memory;
       const lastReadReply = mem.lastReadReply;
-      mem.lastReadReply = notifications[0]?.valueid ?? lastReadReply;
-      Memory.memory = mem;
 
-      for (const notification of notifications) {
+      for (const [index, notification] of notifications.entries()) {
         if (notification.category !== "reply" || typeof notification.valueid !== "string")
           continue;
 
-        if (lastReadReply === notification.valueid)
-          break;
-
         const ueuseResponse = await client.request("ueuse/get", {
           uniqid: notification.valueid,
         });
@@ -48,6 +43,17 @@ try {
           continue;
         }
 
+        const time = new Date(ueuseResponse.data[0].datetime).getTime();
+
+        if (index === 0) {
+          const mem = Memory.memory;
+          mem.lastReadReply = time;
+          Memory.memory = mem;
+        }
+
+        if (lastReadReply >= time)
+          break;
+
         ueuses.push(ueuseResponse.data[0]);
       }
     } else {
@@ -67,14 +73,19 @@ try {
 
       const mem = Memory.memory;
       const lastReadMention = mem.lastReadMention;
-      mem.lastReadMention = mentions[0]?.uniqid ?? lastReadMention;
-      Memory.memory = mem;
 
-      for (const mention of mentions) {
-        if (lastReadMention === mention.uniqid) {
-          break;
+      for (const [index, mention] of mentions.entries()) {
+        const time = new Date(mention.datetime).getTime();
+
+        if (index === 0) {
+          const mem = Memory.memory;
+          mem.lastReadMention = time;
+          Memory.memory = mem;
         }
 
+        if (lastReadMention >= time)
+          break;
+
         ueuses.push(mention);
       }
     } else {
diff --git a/src/lib/memory.ts b/src/lib/memory.ts
index f0c6962..5e89aec 100644
--- a/src/lib/memory.ts
+++ b/src/lib/memory.ts
@@ -11,8 +11,8 @@ class MemoryClass {
       writeFileSync(path, JSON.stringify({
         processedInfo: [],
         permissions: {},
-        lastReadMention: "",
-        lastReadReply: "",
+        lastReadMention: 0,
+        lastReadReply: 0,
         userid: "",
         max_length: 0,
       }));