From b4d7b91b4af9ce075c99b6c176bbea4b0728f78a Mon Sep 17 00:00:00 2001
From: Himehane <36065996+Himehane@users.noreply.github.com>
Date: Mon, 18 Feb 2019 12:43:03 +0800
Subject: [PATCH] bug fix
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1311行，mb_substr是方法名，漏了''
---
 functions.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/functions.php b/functions.php
index dc38880..b4bc36f 100644
--- a/functions.php
+++ b/functions.php
@@ -1308,7 +1308,7 @@ function GBsubstr($string, $start, $length) {
 }
  
 function excerpt_length($exp) {
-    if (!function_exists(mb_substr)) {
+    if (!function_exists('mb_substr')) {
         $exp = GBsubstr($exp, 0, 80);
     } else {
         /*