diff --git a/src/app/models/rochet-chat-cliente-service.ts b/src/app/models/rochet-chat-cliente-service.ts
index 46698ca58..96e2aeb57 100644
--- a/src/app/models/rochet-chat-cliente-service.ts
+++ b/src/app/models/rochet-chat-cliente-service.ts
@@ -1,5 +1,5 @@
 export interface wsCallbacksParams {
-    type: 'Offline' | 'Online' | 'Open' | 'Onmessage',
+    type: 'Offline' | 'Online' | 'Open' | 'Onmessage' | 'reConnect',
     funx: Function
     runOnces?: boolean
     requestId?: string
diff --git a/src/app/services/chat/ws-chat-methods.service.ts b/src/app/services/chat/ws-chat-methods.service.ts
index fa9b44579..4208e6ca7 100644
--- a/src/app/services/chat/ws-chat-methods.service.ts
+++ b/src/app/services/chat/ws-chat-methods.service.ts
@@ -54,6 +54,18 @@ export class WsChatMethodsService {
 
     })()
 
+
+    /**
+     * @description when the phone is in the background for a long time it could disconnects from the socket then the socket reconnects automatically,
+     *  when the connection is lost the subscribe is also lost, so we have to subscribe again when reconnection is establish.
+     */
+    this.WsChatService.registerCallback({
+      type: 'reConnect',
+      funx: ()=>{
+        this.subscribeToRoom()
+      }
+    })
+
   }
 
   openRoom(roomId) {
@@ -116,11 +128,17 @@ export class WsChatMethodsService {
     this.loadingWholeList = false
   }
 
+  /**
+   * @description sort room list by last message date
+   */
   sortRoomList() {
     this._dm = this.sortService.sortDate(this._dm,'_updatedAt').reverse()
     this._group = this.sortService.sortDate(this._group,'_updatedAt').reverse()
   }
 
+  /**
+   * @description subscribe all room
+   */
   subscribeToRoom() {
 
     for (const id in this.dm) {
diff --git a/src/app/services/chat/ws-chat.service.ts b/src/app/services/chat/ws-chat.service.ts
index bf89d11eb..3abc1ae4e 100644
--- a/src/app/services/chat/ws-chat.service.ts
+++ b/src/app/services/chat/ws-chat.service.ts
@@ -572,6 +572,7 @@ updateRoomEventss(roomId, collection:string, funx: Function, ) {
   private socket!: WebSocket;
   private wsMsgQueue : {[key: string]:  msgQueue} = {}
   private wsCallbacks: {[key: string]:  wsCallbacksParams} = {}
+  private wsReconnect = 0
 
   private ws = {
     connected: false,
@@ -592,9 +593,26 @@ updateRoomEventss(roomId, collection:string, funx: Function, ) {
     },
     onopen:()=> {
       this.ws.connected = true
+      
       console.log('================== welcome to socket server =====================')
 
       this.ws.wsMsgQueue()
+
+      if(this.wsReconnect >= 1) {
+        for (const [key, value] of Object.entries(this.wsCallbacks)) {
+          if(value.type== 'reConnect') {
+            const dontRepeat = value.funx()
+  
+            if(dontRepeat) {
+              delete this.wsCallbacks[key]
+            }
+  
+          }
+  
+        }
+      }
+
+      this.wsReconnect++;
     },
     wsMsgQueue:()=> {
 
diff --git a/src/app/services/fileExprorer/file-exprorer.service.spec.ts b/src/app/services/fileExprorer/file-exprorer.service.spec.ts
new file mode 100644
index 000000000..3b67df09b
--- /dev/null
+++ b/src/app/services/fileExprorer/file-exprorer.service.spec.ts
@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { FileExprorerService } from './file-exprorer.service';
+
+describe('FileExprorerService', () => {
+  let service: FileExprorerService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(FileExprorerService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});
diff --git a/src/app/services/fileExprorer/file-exprorer.service.ts b/src/app/services/fileExprorer/file-exprorer.service.ts
new file mode 100644
index 000000000..ab477e33a
--- /dev/null
+++ b/src/app/services/fileExprorer/file-exprorer.service.ts
@@ -0,0 +1,9 @@
+import { Injectable } from '@angular/core';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class FileExprorerService {
+
+  constructor() { }
+}