From b9c56236873dbc155a3a377f516d109be67a8994 Mon Sep 17 00:00:00 2001
From: monitor1394 <monitor1394@gmail.com>
Date: Wed, 31 Jan 2024 13:21:20 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D`Tooltip`=E5=9C=A8=E8=AE=BE?=
 =?UTF-8?q?=E7=BD=AE`itemFormatter`=E4=B8=BA`-`=E5=90=8E=E6=95=B4=E4=B8=AA?=
 =?UTF-8?q?=E4=B8=8D=E6=98=BE=E7=A4=BA=E7=9A=84=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Documentation~/zh/changelog.md              | 1 +
 Runtime/Component/Tooltip/TooltipHandler.cs | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation~/zh/changelog.md b/Documentation~/zh/changelog.md
index 418b82c2..c0a3df13 100644
--- a/Documentation~/zh/changelog.md
+++ b/Documentation~/zh/changelog.md
@@ -70,6 +70,7 @@ slug: /changelog
 
 ## master
 
+* (2024.01.31) 修复`Tooltip`在设置`itemFormatter`为`-`后整个不显示的问题
 * (2024.01.27) 修复`TextLimit`在开启`TextMeshPro`后无效的问题 (#301)
 * (2024.01.24) 增加`Bar`支持X轴和Y轴都为`Category`类目轴
 * (2024.01.23) 增加`{y}`通配符用于获取Y轴的类目名
diff --git a/Runtime/Component/Tooltip/TooltipHandler.cs b/Runtime/Component/Tooltip/TooltipHandler.cs
index b4476823..6777c708 100644
--- a/Runtime/Component/Tooltip/TooltipHandler.cs
+++ b/Runtime/Component/Tooltip/TooltipHandler.cs
@@ -530,7 +530,7 @@ namespace XCharts.Runtime
                     ref tooltip.context.data.title);
             }
             TooltipHelper.ResetTooltipParamsByItemFormatter(tooltip, chart);
-            if (tooltip.context.data.param.Count > 0)
+            if (tooltip.context.data.param.Count > 0 || !string.IsNullOrEmpty(tooltip.context.data.title))
             {
                 tooltip.SetActive(true);
                 if (tooltip.view != null)