diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-write.dialog.component.html b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-write.dialog.component.html
index 6407d57d..47c7af0b 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-write.dialog.component.html
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-write.dialog.component.html
@@ -19,6 +19,7 @@
       [detailContents]="data.detailContents"
       [curReceiverList]="curReceiverList"
       [fileAllowSize]="fileAllowSize"
+      [sendProcessing]="sendProcessing"
       (send)="onSend($event)"
       (selectReceiver)="onSelectReceiver($event)"
       (cancel)="onCancel()"
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-write.dialog.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-write.dialog.component.ts
index 30642ab0..24322206 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-write.dialog.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-write.dialog.component.ts
@@ -82,6 +82,8 @@ export class MessageWriteDialogComponent implements OnInit {
 
   isModify = false;
 
+  sendProcessing = false;
+
   constructor(
     public dialogRef: MatDialogRef<
       MessageWriteDialogData,
@@ -150,6 +152,8 @@ export class MessageWriteDialogComponent implements OnInit {
     }
   }
   onNewSend(message: Message) {
+    this.sendProcessing = true;
+
     this.messageApiService
       .sendMessage({
         ...message,
@@ -162,6 +166,7 @@ export class MessageWriteDialogComponent implements OnInit {
       .pipe(take(1))
       .subscribe(
         res => {
+          this.sendProcessing = false;
           if (!!res && res.responseCode === MessageStatusCode.Success) {
             let msg = '';
             if (!!message.reservationTime) {
@@ -265,6 +270,8 @@ export class MessageWriteDialogComponent implements OnInit {
       );
   }
   onModifySend(message: MessageModify) {
+    this.sendProcessing = true;
+
     this.messageApiService
       .editReservationMessageEx({
         ...message,
@@ -276,6 +283,7 @@ export class MessageWriteDialogComponent implements OnInit {
       .pipe(take(1))
       .subscribe(
         res => {
+          this.sendProcessing = false;
           if (!!res && res.responseCode === MessageStatusCode.Success) {
             this.snackBarService.open(
               this.translateService.instant(
diff --git a/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.html b/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.html
index aad28e91..84195bc1 100644
--- a/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.html
+++ b/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.html
@@ -82,8 +82,7 @@
               class="attach-file-list"
             >
               <div class="attach-file">
-                <span class="mdi mdi-attachment mdi-18px"> </span
-                >
+                <span class="mdi mdi-attachment mdi-18px"> </span>
                 <span class="file-name">{{ oldAttachment.resContent }}</span>
                 <button
                   mat-button
@@ -156,7 +155,8 @@
           !receiverList ||
           0 === receiverList.length ||
           0 === contentLength ||
-          1000 < contentLength
+          1000 < contentLength ||
+          !!sendProcessing
         "
         class="mat-primary"
       >
@@ -170,7 +170,8 @@
           !receiverList ||
           0 === receiverList.length ||
           0 === contentLength ||
-          1000 < contentLength
+          1000 < contentLength ||
+          !!sendProcessing
         "
         class="mat-primary"
       >
diff --git a/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.ts b/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.ts
index 5304ea8b..e61131e3 100644
--- a/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.ts
+++ b/projects/ucap-webmessenger-ui-message/src/lib/components/write.component.ts
@@ -96,6 +96,8 @@ export class WriteComponent implements OnInit, OnDestroy, AfterViewInit {
   isModify = false;
   @Input()
   fileAllowSize: number;
+  @Input()
+  sendProcessing = false;
 
   @Output()
   send = new EventEmitter<Message | MessageModify>();