diff --git a/BACKEND/app/models/line.ts b/BACKEND/app/models/line.ts
index 50a66bc..a1ac256 100644
--- a/BACKEND/app/models/line.ts
+++ b/BACKEND/app/models/line.ts
@@ -51,4 +51,7 @@ export default class Line extends BaseModel {
 
   @column.dateTime({ autoCreate: true, autoUpdate: true })
   declare updatedAt: DateTime
+
+  @column()
+  declare history: string
 }
diff --git a/BACKEND/app/services/line_connection.ts b/BACKEND/app/services/line_connection.ts
index 00573a2..6fdc6e3 100644
--- a/BACKEND/app/services/line_connection.ts
+++ b/BACKEND/app/services/line_connection.ts
@@ -15,6 +15,7 @@ import APCController from './apc_connection.js'
 import path from 'node:path'
 import axios from 'axios'
 import redis from '@adonisjs/redis/services/main'
+import Line from '#models/line'
 
 type Inventory = {
   pid: string
@@ -196,7 +197,7 @@ export default class LineConnection {
         if (resolvedOrRejected) return
         resolvedOrRejected = true
         console.error(`❌ Error line ${lineNumber}:`, err.message)
-        this.config.output += err.message
+        this.config.output += '\r\n' + err.message + '\r\n'
         this.socketIO.emit('line_error', {
           stationId,
           lineId: id,
@@ -707,7 +708,7 @@ export default class LineConnection {
             (Tóm tắt trạng thái tổng thể của hệ thống trong 2–4 ý)
 
             issue:
-            (Tóm tắt cực ngắn gọn các lỗi/dấu hiệu bất thường, mỗi vấn đề 1 dòng, bỏ qua các vấn đề không quan trọng như về port changed state to up/down hay Invalid input, Incomplete command)
+            (Tóm tắt cực ngắn gọn các lỗi/dấu hiệu bất thường, mỗi vấn đề 1 dòng, không bắt các vấn đề không quan trọng như về port changed state to up/down hay Invalid input, Incomplete command)
 
             Quy tắc:
             Không giải thích dài dòng.
@@ -759,11 +760,19 @@ export default class LineConnection {
       }
     }
 
+    const line = await Line.find(lineId)
+    if (line) {
+      const listHistory = line.history ? JSON.parse(line.history) : []
+      listHistory.unshift(newItem)
+      line.history = JSON.stringify(listHistory)
+      await line.save()
+    }
+
     // Add vào ZSET
     await redis.zadd(key, now, newItem)
 
-    // Tự động xóa item > 72h
-    const expireTime = now - 72 * 60 * 60 * 1000
+    // Tự động xóa item > 96h
+    const expireTime = now - 96 * 60 * 60 * 1000
     await redis.zremrangebyscore(key, 0, expireTime)
 
     return true
diff --git a/BACKEND/database/migrations/1764657444023_update_history_to_lines_table.ts b/BACKEND/database/migrations/1764657444023_update_history_to_lines_table.ts
new file mode 100644
index 0000000..c9eca36
--- /dev/null
+++ b/BACKEND/database/migrations/1764657444023_update_history_to_lines_table.ts
@@ -0,0 +1,17 @@
+import { BaseSchema } from '@adonisjs/lucid/schema'
+
+export default class extends BaseSchema {
+  protected tableName = 'lines'
+
+  async up() {
+    this.schema.alterTable(this.tableName, (table) => {
+      table.text('history').defaultTo('').nullable()
+    })
+  }
+
+  async down() {
+    this.schema.alterTable(this.tableName, (table) => {
+      table.dropColumn('history')
+    })
+  }
+}
diff --git a/FRONTEND/src/components/BottomToolBar.tsx b/FRONTEND/src/components/BottomToolBar.tsx
index 4b05a2b..583c4a7 100644
--- a/FRONTEND/src/components/BottomToolBar.tsx
+++ b/FRONTEND/src/components/BottomToolBar.tsx
@@ -623,12 +623,7 @@ const BottomToolBar = ({
                           className={classes.buttonControl}
                           variant="outline"
                           onClick={() => {
-                            const lines = station.lines.filter(
-                              (line) =>
-                                !line?.userOpenCLI ||
-                                line?.userOpenCLI === user?.userName
-                            );
-                            lines.forEach((line) => {
+                            selectedLines.forEach((line) => {
                               socket?.emit("close_cli", {
                                 lineId: line?.id,
                                 stationId: line.stationId || line.station_id,
@@ -745,7 +740,7 @@ const BottomToolBar = ({
                                 });
                               });
                             } else {
-                              lines.forEach((line) => {
+                              selectedLines.forEach((line) => {
                                 socket?.emit("close_cli", {
                                   lineId: line?.id,
                                   stationId: line.stationId || line.station_id,
diff --git a/FRONTEND/src/components/ButtonAction.tsx b/FRONTEND/src/components/ButtonAction.tsx
index 4f1ef1d..c0cb05c 100644
--- a/FRONTEND/src/components/ButtonAction.tsx
+++ b/FRONTEND/src/components/ButtonAction.tsx
@@ -37,6 +37,27 @@ export const ButtonDPELP = ({
         onClick();
         selectedLines?.forEach((el) => {
           const body = [
+            {
+              expect: "",
+              send: "",
+              delay: "1000",
+              repeat: "1",
+              note: "",
+            },
+            {
+              expect: "",
+              send: "     no",
+              delay: "1000",
+              repeat: "1",
+              note: "",
+            },
+            {
+              expect: "",
+              send: "",
+              delay: "1000",
+              repeat: "2",
+              note: "",
+            },
             {
               expect: "",
               send: "     terminal length 0",