修复图片加载失败

lib/home_page.dart

@@ -764,10 +764,15 @@ class _HomePageState extends State<HomePage> {
                                       shape: BoxShape.circle,
                                       image: DecorationImage(
                                         image: widget.customImageUrl != null
-                                            ? AssetImage(widget.customImageUrl!)
+                                            ? NetworkImage(
+                                                widget.customImageUrl!)
                                             : const AssetImage(
                                                 'assets/images/virtualAssistant.png',
-                                              ),
+                                              ) as ImageProvider,
+                                        onError: (exception, stackTrace) {
+                                          print(
+                                              'Error loading image: $exception');
+                                        },
                                       ),
                                     ),
                                   ),