From 5145857bb0ef1bc0e8df8cef982ff83cf4791edf Mon Sep 17 00:00:00 2001
From: pipipi-pikachu <1171051090@qq.com>
Date: Mon, 25 Jan 2021 23:12:36 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E9=A1=B6=E5=B1=82=E5=85=83?=
 =?UTF-8?q?=E7=B4=A0=E7=BD=AE=E9=A1=B6=E5=B1=82=E5=87=BA=E9=94=99=E7=9A=84?=
 =?UTF-8?q?bug?=
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---
 src/hooks/useOrderElement.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hooks/useOrderElement.ts b/src/hooks/useOrderElement.ts
index 3f28761..6c1c85d 100644
--- a/src/hooks/useOrderElement.ts
+++ b/src/hooks/useOrderElement.ts
@@ -176,6 +176,8 @@ export default () => {
     else if(command === ElementOrderCommands.TOP) newElementList = moveTopElement(currentSlide.value.elements, element)
     else if(command === ElementOrderCommands.BOTTOM) newElementList = moveBottomElement(currentSlide.value.elements, element)
 
+    if(!newElementList) return
+
     store.commit(MutationTypes.UPDATE_SLIDE, { elements: newElementList })
     addHistorySnapshot()
   }