diff --git a/Applications/Chat/Web/index.php b/Applications/Chat/Web/index.php
index 57576da..6e95496 100644
--- a/Applications/Chat/Web/index.php
+++ b/Applications/Chat/Web/index.php
@@ -112,7 +112,10 @@ function onSubmit() {
       var input = document.getElementById("textarea");
       var to_client_id = $("#client_list option:selected").attr("value");
       var to_client_name = $("#client_list option:selected").text();
-      ws.send('{"type":"say","to_client_id":"'+to_client_id+'","to_client_name":"'+to_client_name+'","content":"'+input.value.replace(/"/g, '\\"').replace(/\n/g,'\\n').replace(/\r/g, '\\r')+'"}');
+      var content = input.value.trim();
+      if (content !== "") {
+        ws.send('{"type":"say","to_client_id":"' + to_client_id + '","to_client_name":"' + to_client_name + '","content":"' + content.replace(/"/g, '\\"').replace(/\n/g,'\\n').replace(/\r/g, '\\r') + '"}');
+      }
       input.value = "";
       input.focus();
     }