From 8d8c4359a855b02e663f8122fee8de34b06a9fd0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9C=80=E8=90=8C=E5=B0=8F=E6=B1=90?= <sumneko@hotmail.com>
Date: Wed, 18 Aug 2021 14:35:37 +0800
Subject: fix runtime errors

---
 script/provider/markdown.lua | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'script/provider/markdown.lua')

diff --git a/script/provider/markdown.lua b/script/provider/markdown.lua
index a8adbbef..c5765571 100644
--- a/script/provider/markdown.lua
+++ b/script/provider/markdown.lua
@@ -17,7 +17,11 @@ local function checkSplitLine(self)
 end
 
 function mt:add(language, text)
-    if not text or #text == 0 then
+    if not text then
+        return
+    end
+    text = tostring(text)
+    if #text == 0 then
         return
     end
 
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