From d2e6c1314657c7a4e497fd581296d24686a2e0f8 Mon Sep 17 00:00:00 2001
From: Jochen <qiushouchen@qq.com>
Date: Sat, 6 Mar 2021 12:29:40 +0800
Subject: [PATCH] Update toolbar.dart (#55)

fix
---
 lib/widgets/toolbar.dart | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/widgets/toolbar.dart b/lib/widgets/toolbar.dart
index 96c87933..92dccc3a 100644
--- a/lib/widgets/toolbar.dart
+++ b/lib/widgets/toolbar.dart
@@ -518,6 +518,8 @@ class _ImageButtonState extends State<ImageButton> {
 
   Future<String> _pickImage(ImageSource source) async {
     final PickedFile pickedFile = await _picker.getImage(source: source);
+    if (pickedFile == null) return null;
+    
     final File file = File(pickedFile.path);
 
     if (file == null || widget.onImagePickCallback == null) return null;