From dea59095743755a626590aa1b06e67154c372672 Mon Sep 17 00:00:00 2001
From: ChenX <maple6@vip.qq.com>
Date: Tue, 5 Nov 2019 10:35:31 +0800
Subject: [PATCH] =?UTF-8?q?=E5=B1=8F=E8=94=BD=E9=94=AE=E7=9B=98=E7=BC=A9?=
 =?UTF-8?q?=E6=94=BE=E9=A1=B5=E9=9D=A2=E5=BF=AB=E6=8D=B7=E9=94=AE?=
MIME-Version: 1.0
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---
 src/index.tsx | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/index.tsx b/src/index.tsx
index 5b4fae996..ca5421d74 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -42,6 +42,19 @@ document.addEventListener('wheel', (e: WheelEvent) =>
     }
 }, { passive: false });
 
+document.addEventListener("keydown", (e: KeyboardEvent) =>
+{
+    if (e.ctrlKey)
+    {
+        if (e.key === "-" || e.key === "=")
+        {
+            e.returnValue = false;
+            e.preventDefault();
+            e.stopPropagation();
+        }
+    }
+}), { passive: false };
+
 window.onload = function ()
 {
     function isWebGLAvailable()