From 43f79466b2bc35ea489a22fe8c7f32430a5cae9d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=B3=95=E8=98=AD=E6=96=AF?=
 <34397289+fustyles@users.noreply.github.com>
Date: Sun, 4 Aug 2019 20:32:20 +0800
Subject: [PATCH] Update ESP32_SpeechRecognition.html

---
 ESP32_SpeechRecognition.html | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/ESP32_SpeechRecognition.html b/ESP32_SpeechRecognition.html
index 03f669a909..7d3acfa9a2 100644
--- a/ESP32_SpeechRecognition.html
+++ b/ESP32_SpeechRecognition.html
@@ -165,7 +165,12 @@
     var interim_transcript = '';
     var final_transcript = '';
     var Recognition_interim = '';
-    var Recognition_final = '';       
+    var Recognition_final = '';  
+    if (typeof(event.results) == 'undefined') {
+      recognition.onend = null;
+      recognition.stop();
+      return;
+    }    
     for (var i = event.resultIndex; i < event.results.length; ++i) {
       if (event.results[i].isFinal) {
         final_transcript = event.results[i][0].transcript;