From b1d2751573d54f33586e695a723df42b93badce2 Mon Sep 17 00:00:00 2001
From: git <guy@finereport.com>
Date: Thu, 17 Jun 2021 23:02:47 +0800
Subject: [PATCH] bugfix

---
 src/case/ztree/0.treeview.js | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/case/ztree/0.treeview.js b/src/case/ztree/0.treeview.js
index e9cb06dd7..fc99a5311 100644
--- a/src/case/ztree/0.treeview.js
+++ b/src/case/ztree/0.treeview.js
@@ -334,9 +334,14 @@ BI.TreeView = BI.inherit(BI.Pane, {
         var self = this, o = this.options;
         var ns = BI.Tree.arrayFormat(nodes);
         BI.each(ns, function (i, n) {
-            n.title = n.title || n.text || n.value;
             n.isParent = n.isParent || n.parent;
             n.value = BI.isUndefined(n.value) ? n.text : n.value;
+            if (n.text === null) {
+                n.text = "(null)";
+            } else if(BI.isUndefined(n.text)) {
+                n.text = "";
+            }
+            n.title = n.title || n.text || n.value;
             // 处理标红
             if (BI.isNotNull(n.text)) {
                 if (BI.isKey(o.paras.keyword)) {
@@ -344,8 +349,6 @@ BI.TreeView = BI.inherit(BI.Pane, {
                 } else {
                     n.text = BI.htmlEncode(BI.Text.formatText(n.text + ""));
                 }
-            } else {
-                n.text = "";
             }
         });
         return nodes;