diff --git a/ng-ttc-frontend/src/app/app.module.ts b/ng-ttc-frontend/src/app/app.module.ts
index 255e75c..4e3ffbb 100644
--- a/ng-ttc-frontend/src/app/app.module.ts
+++ b/ng-ttc-frontend/src/app/app.module.ts
@@ -30,6 +30,7 @@ import { MainProjectContent } from './content/main-project-content/main-project-
 import { MainProjectAdd } from './component/main-project-add/main-project-add';
 import { BudgetAprovalContent } from './content/budget-aproval-content/budget-aproval-content';
 import { ThemeSwitcherComponent } from './component/theme-switcher/theme-switcher';
+import { ChatWidgetComponent } from './component/chat-widget-component/chat-widget-component';
 // import { BudgetAproval } from './component/budget-aproval/budget-aproval';
 // import { AccDateFormatPipe } from './pipe/dtmtodatetime.pipe';
 // import { DtmtodatetimePipe } from './dtmtodatetime.pipe';
@@ -42,6 +43,7 @@ import { ThemeSwitcherComponent } from './component/theme-switcher/theme-switche
     SidebarComponent,
     LicensePrivacyTermsComponent,
     TokenTimerComponent,
+    // ChatWidgetComponent,
     // ThemeSwitcherComponent,
     // BudgetAprovalContent
     // MainProjectAdd,
diff --git a/ng-ttc-frontend/src/app/component/budget-aproval/budget-aproval.html b/ng-ttc-frontend/src/app/component/budget-aproval/budget-aproval.html
index 4ad774a..e459dd5 100644
--- a/ng-ttc-frontend/src/app/component/budget-aproval/budget-aproval.html
+++ b/ng-ttc-frontend/src/app/component/budget-aproval/budget-aproval.html
@@ -184,7 +184,6 @@
     </div>
   </div>
 
-      <!-- 🟢 Modal Confirmation (Save / Cancel) -->
       @if(showConfirmModal) {
         <div class="fixed inset-0 z-50 flex items-center justify-center bg-black/60 backdrop-blur-sm animate-fade-in">
           <div class="bg-white rounded-2xl shadow-2xl w-96 overflow-hidden transform transition-all scale-100">
diff --git a/ng-ttc-frontend/src/app/component/chat-widget-component/chat-widget-component.css b/ng-ttc-frontend/src/app/component/chat-widget-component/chat-widget-component.css
new file mode 100644
index 0000000..413a4d5
--- /dev/null
+++ b/ng-ttc-frontend/src/app/component/chat-widget-component/chat-widget-component.css
@@ -0,0 +1,30 @@
+
+    /* Custom Scrollbar */
+    ::-webkit-scrollbar {
+      width: 6px;
+    }
+    ::-webkit-scrollbar-track {
+      background: transparent;
+    }
+    ::-webkit-scrollbar-thumb {
+      background: #cbd5e1;
+      border-radius: 3px;
+    }
+    ::-webkit-scrollbar-thumb:hover {
+      background: #94a3b8;
+    }
+
+    .animate-fade-in-up {
+      animation: fadeInUp 0.3s ease-out forwards;
+    }
+
+    @keyframes fadeInUp {
+      from {
+        opacity: 0;
+        transform: translateY(20px) scale(0.95);
+      }
+      to {
+        opacity: 1;
+        transform: translateY(0) scale(1);
+      }
+    }
diff --git a/ng-ttc-frontend/src/app/component/chat-widget-component/chat-widget-component.html b/ng-ttc-frontend/src/app/component/chat-widget-component/chat-widget-component.html
new file mode 100644
index 0000000..a2c6a19
--- /dev/null
+++ b/ng-ttc-frontend/src/app/component/chat-widget-component/chat-widget-component.html
@@ -0,0 +1,96 @@
+<div class="fixed bottom-5 right-5 z-50 flex flex-col items-end space-y-4 font-sans">
+
+    <!-- หน้าต่างแชท -->
+    <div *ngIf="isOpen"
+          class="w-80 h-96 bg-white rounded-xl shadow-2xl flex flex-col overflow-hidden border border-gray-200 animate-fade-in-up">
+
+      <!-- Header -->
+      <div class="bg-red-800 p-3 flex justify-between items-center text-white shadow-md">
+        <div class="flex items-center space-x-2">
+          <div class="relative">
+            <div class="w-8 h-8 bg-red-700 rounded-full flex items-center justify-center text-xs font-bold border border-red-600">
+              AI
+            </div>
+            <div class="absolute bottom-0 right-0 w-2.5 h-2.5 bg-green-400 border-2 border-red-800 rounded-full"></div>
+          </div>
+          <div class="flex flex-col leading-tight">
+            <span class="font-bold text-sm">ผู้ช่วยวิเคราะห์ข้อมูล</span>
+            <span class="text-xs text-red-100">ตอบกลับภายใน 1 นาที</span>
+          </div>
+        </div>
+        <button (click)="toggleChat()" class="hover:bg-red-700 p-1 rounded transition text-red-100 hover:text-white">
+          <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7" />
+          </svg>
+        </button>
+      </div>
+
+      <!-- Chat Body -->
+      <div class="flex-1 p-4 overflow-y-auto bg-slate-50 space-y-3" #scrollContainer>
+        <div *ngFor="let msg of messages"
+              class="flex w-full"
+              [ngClass]="{'justify-end': msg.isUser, 'justify-start': !msg.isUser}">
+
+          <!-- Avatar ฝั่งซ้าย (Support) -->
+          <div *ngIf="!msg.isUser" class="w-6 h-6 bg-red-100 rounded-full shrink-0 mr-2 flex items-center justify-center text-xs text-red-800 font-bold self-end mb-1">
+            AI
+          </div>
+
+          <div [ngClass]="{
+                'bg-red-800 text-white rounded-tl-2xl rounded-tr-2xl rounded-bl-2xl': msg.isUser,
+                'bg-white text-gray-800 border border-gray-200 rounded-tl-2xl rounded-tr-2xl rounded-br-2xl': !msg.isUser
+                }"
+                class="max-w-[75%] px-4 py-2 text-sm shadow-sm wrap-break-words relative group">
+            {{ msg.text }}
+            <span class="text-[10px] absolute bottom-0 -mb-5 opacity-0 group-hover:opacity-100 transition-opacity text-gray-400 whitespace-nowrap"
+                  [ngClass]="{'right-0': msg.isUser, 'left-0': !msg.isUser}">
+              <!-- 10:42 AM -->
+            </span>
+          </div>
+        </div>
+      </div>
+
+      <!-- Footer / Input -->
+      <div class="p-3 bg-white border-t border-gray-200 flex items-center space-x-2">
+        <button class="text-gray-400 hover:text-red-800 transition">
+            <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15.172 7l-6.586 6.586a2 2 0 102.828 2.828l6.414-6.586a4 4 0 00-5.656-5.656l-6.415 6.585a6 6 0 108.486 8.486L20.5 13" />
+          </svg>
+        </button>
+        <input type="text"
+                [(ngModel)]="newMessage"
+                (keyup.enter)="sendMessage()"
+                placeholder="พิมพ์ข้อความ..."
+                class="flex-1 bg-gray-100 rounded-full px-4 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-red-500 focus:bg-white transition text-gray-700 placeholder-gray-400">
+        <button (click)="sendMessage()"
+                [disabled]="!newMessage.trim()"
+                class="text-red-950 hover:text-red-800 p-2 transition disabled:opacity-50 disabled:cursor-not-allowed">
+          <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="currentColor" viewBox="0 0 24 24">
+            <path d="M2.01 21L23 12 2.01 3 2 10l15 2-15 2z"/>
+          </svg>
+        </button>
+      </div>
+    </div>
+
+    <!-- Launcher Button -->
+    <button (click)="toggleChat()"
+            class="group w-14 h-14 bg-red-800 hover:bg-red-700 text-white rounded-full shadow-lg shadow-red-800/30 flex items-center justify-center transition-all transform hover:scale-110 focus:outline-none ring-4 ring-red-50 hover:ring-red-100 active:scale-95">
+
+      <!-- Notification Badge -->
+      <!-- <span *ngIf="!isOpen" class="absolute top-0 right-0 -mt-1 -mr-1 flex h-4 w-4">
+        <span class="animate-ping absolute inline-flex h-full w-full rounded-full bg-red-400 opacity-75"></span>
+        <span class="relative inline-flex rounded-full h-4 w-4 bg-red-500 text-[10px] items-center justify-center text-white font-bold">1</span>
+      </span> -->
+
+      <!-- Icon X -->
+      <svg *ngIf="isOpen" xmlns="http://www.w3.org/2000/svg" class="h-6 w-6 transition-transform rotate-0" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
+      </svg>
+
+      <!-- Icon Chat -->
+      <svg *ngIf="!isOpen" xmlns="http://www.w3.org/2000/svg" class="h-7 w-7 transition-transform group-hover:-rotate-12" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 10h.01M12 10h.01M16 10h.01M9 16H5a2 2 0 01-2-2V6a2 2 0 012-2h14a2 2 0 012 2v8a2 2 0 01-2 2h-5l-5 5v-5z" />
+      </svg>
+    </button>
+
+</div>
diff --git a/ng-ttc-frontend/src/app/component/chat-widget-component/chat-widget-component.ts b/ng-ttc-frontend/src/app/component/chat-widget-component/chat-widget-component.ts
new file mode 100644
index 0000000..b1b573c
--- /dev/null
+++ b/ng-ttc-frontend/src/app/component/chat-widget-component/chat-widget-component.ts
@@ -0,0 +1,36 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'app-chat-widget-component',
+  standalone: false,
+  templateUrl: './chat-widget-component.html',
+  styleUrl: './chat-widget-component.css',
+})
+export class ChatWidgetComponent {
+  isOpen = false;
+  newMessage = '';
+
+  messages = [
+    { text: 'สวัสดีครับ มีอะไรให้ทีมงานช่วยเหลือไหมครับ? 👋', isUser: false },
+  ];
+
+  toggleChat() {
+    this.isOpen = !this.isOpen;
+  }
+
+  sendMessage() {
+    if (this.newMessage.trim()) {
+      // 1. ใส่ข้อความเราลงไป
+      this.messages.push({ text: this.newMessage, isUser: true });
+      this.newMessage = '';
+
+      // 2. จำลองบอทตอบกลับ (Auto Reply Simulation)
+      setTimeout(() => {
+        this.messages.push({
+          text: 'ขอบคุณที่ติดต่อมาครับ ขณะนี้เจ้าหน้าที่กำลังติดลูกค้าท่านอื่น จะรีบตอบกลับให้เร็วที่สุดครับ',
+          isUser: false
+        });
+      }, 1000);
+    }
+  }
+}
diff --git a/ng-ttc-frontend/src/app/component/main-manager/main-manager.component.ts b/ng-ttc-frontend/src/app/component/main-manager/main-manager.component.ts
index 5c7dfff..5bb7533 100644
--- a/ng-ttc-frontend/src/app/component/main-manager/main-manager.component.ts
+++ b/ng-ttc-frontend/src/app/component/main-manager/main-manager.component.ts
@@ -36,6 +36,9 @@ export class MainManagerComponent implements OnInit {
     p.status = 'CN';
   }
 
+  download(){
+
+  }
   openBudgetDetail(idx: IPrjMst) {
     this.router.navigate(['/main/manager/aproval'], {
       state: {
diff --git a/ng-ttc-frontend/src/app/content/main-manager-content/main-manager-content.component.html b/ng-ttc-frontend/src/app/content/main-manager-content/main-manager-content.component.html
index c21a098..6957979 100644
--- a/ng-ttc-frontend/src/app/content/main-manager-content/main-manager-content.component.html
+++ b/ng-ttc-frontend/src/app/content/main-manager-content/main-manager-content.component.html
@@ -1,2 +1,3 @@
 <!-- <app-main-dashboard></app-main-dashboard> -->
 <app-main-manager (documentDownload)="OnDownloadPrjDoc($event)"></app-main-manager>
+<app-chat-widget-component></app-chat-widget-component>
diff --git a/ng-ttc-frontend/src/app/controls/main-control/main-control.module.ts b/ng-ttc-frontend/src/app/controls/main-control/main-control.module.ts
index 9782db9..292ac43 100644
--- a/ng-ttc-frontend/src/app/controls/main-control/main-control.module.ts
+++ b/ng-ttc-frontend/src/app/controls/main-control/main-control.module.ts
@@ -1,3 +1,4 @@
+import { ChatWidgetComponent } from './../../component/chat-widget-component/chat-widget-component';
 import { MainManagerContentComponent } from './../../content/main-manager-content/main-manager-content.component';
 import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
@@ -36,7 +37,8 @@ import { BudgetAprovalContent } from '../../content/budget-aproval-content/budge
     MainProject,
     MainProjectAdd,
     BudgetAprovalContent,
-    AccDateFormatPipe
+    AccDateFormatPipe,
+    ChatWidgetComponent
     // MainReportComponent
   ],
   imports: [
diff --git a/ng-ttc-frontend/src/app/services/generalservice.ts b/ng-ttc-frontend/src/app/services/generalservice.ts
index ea4fb13..cd3d1c9 100644
--- a/ng-ttc-frontend/src/app/services/generalservice.ts
+++ b/ng-ttc-frontend/src/app/services/generalservice.ts
@@ -62,7 +62,7 @@ export class GeneralService {
       map((res: any) => res),
       catchError((error: any) => {
         const response = error?.error;
-        console.error('❌ [POST Request Error]:', error);
+        // console.error('❌ [POST Request Error]:', error);
           return throwError(() => ({
           status: error.status,
           code: response?.code ?? '500',
@@ -117,7 +117,7 @@ export class GeneralService {
     const options: any = {
       ...this.getHttpOptions(true),
       params: httpParams,
-      responseType: isBlob ? 'blob' : 'json' // ✅ สลับ Type ตามค่า isBlob
+      responseType: isBlob ? 'blob' : 'json'
     };
 
     return this.http.get(fullUrl, options).pipe(