From e61c8ae17a24e24170cd43989d5814763bb05f56 Mon Sep 17 00:00:00 2001
From: ComixHe <heyuming@deepin.org>
Date: Mon, 6 Nov 2023 12:31:23 +0800
Subject: [PATCH] fix: add checks before reading from value

Signed-off-by: ComixHe <heyuming@deepin.org>
---
 src/applicationmanagerstorage.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/applicationmanagerstorage.cpp b/src/applicationmanagerstorage.cpp
index 544f119..3763bdd 100644
--- a/src/applicationmanagerstorage.cpp
+++ b/src/applicationmanagerstorage.cpp
@@ -165,16 +165,25 @@ QVariant ApplicationManager1Storage::readApplicationValue(const QString &appId,
                                                           const QString &groupName,
                                                           const QString &valueKey) const noexcept
 {
+    if (!m_data.contains(appId)) {
+        return {};
+    }
     auto app = m_data.constFind(appId)->toObject();
     if (app.isEmpty()) {
         return {};
     }
 
+    if (!app.contains(groupName)) {
+        return {};
+    }
     auto group = app.constFind(groupName)->toObject();
     if (group.isEmpty()) {
         return {};
     }
 
+    if (!group.contains(valueKey)) {
+        return {};
+    }
     auto val = group.constFind(valueKey);
     if (val->isNull()) {
         return {};