From af23570c02a134e891f263b3cea547a948ee9e13 Mon Sep 17 00:00:00 2001
From: YY <z3388638@gmail.com>
Date: Tue, 28 Mar 2017 10:46:36 +0800
Subject: [PATCH] prevent empty msg

---
 web/js/index.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/web/js/index.js b/web/js/index.js
index b3b12f6..7ba1e12 100644
--- a/web/js/index.js
+++ b/web/js/index.js
@@ -42,6 +42,9 @@ var App = (_ => {
 				return;
 			}
 			var msg = $inputMsg.val().trim();
+			if(msg == '') {
+				return;
+			}
 			$inputMsg.val('');
 			$.ajax({
 				url: `${_APITarget}/message`,