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 3cd2b445..65e42c5a 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
@@ -331,6 +331,7 @@ export class WriteComponent implements OnInit, OnDestroy, AfterViewInit {
   private checkContentLength() {
     const result = this.parseContent();
     if (!result) {
+      this.contentLength = 0;
       return;
     }
 
@@ -572,6 +573,7 @@ export class WriteComponent implements OnInit, OnDestroy, AfterViewInit {
     } else {
       this.editor.nativeElement.appendChild(node);
     }
+    selection.empty();
   }
 
   private inEditor(el) {