From 5a28fcd0e79b79bdd916ee3f04e59e4dc5add5a0 Mon Sep 17 00:00:00 2001
From: guy <guy@finereport.com>
Date: Fri, 4 Sep 2020 00:10:33 +0800
Subject: [PATCH] bugfix

---
 src/base/single/text.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/base/single/text.js b/src/base/single/text.js
index bc316725d..ace85aec9 100644
--- a/src/base/single/text.js
+++ b/src/base/single/text.js
@@ -106,6 +106,9 @@
             var o = this.options;
             var text = BI.isFunction(o.text) ? o.text() : o.text;
             text = BI.isKey(text) ? text : o.value;
+            if (!BI.isKey(text)) {
+                return "";
+            }
             return BI.Text.formatText(text + "");
         },