fix: infoThread null check

Author: khanhas

README.md

@@ -27,8 +27,8 @@ opkg install rm2fb
 In SSH session, run these command to download and unpack distributed package to `/home/root` location:
 ```bash
 cd /home/root
-wget "https://github.com/khanhas/zshelf/releases/download/v0.3.0/zshelf-reMarkable-0.3.0.zip"
-unzip "zshelf-reMarkable-0.3.0.zip"
+wget "https://github.com/khanhas/zshelf/releases/download/v0.3.0/zshelf-reMarkable-0.3.1.zip"
+unzip "zshelf-reMarkable-0.3.1.zip"
 ```
 
 ### [IMPORTANT] Configure domain and cookie

store.cpp

@@ -35,7 +35,7 @@ Store::Store() : rootView(rootObject()), context(rootContext())
     connect(worker, &Worker::socketClosed, this, [this]() {
         context->setContextProperty("titleVisible", QVariant(false));
         setProperty("isBusy", false);
-        if (initialInfo) {
+        if (initialInfo && infoThread != nullptr) {
             infoThread->work();
             initialInfo = false;
         }