fix

lib/pages/processing/processing_info.dart

@@ -39,7 +39,8 @@ class _ProcessingInfoState extends State<ProcessingInfo> {
     initPackage(widget.package!);
   }
 
-  initPackage(Package package) {
+  initPackage(Package? package) {
+    if (package == null) return;
     setState(() {
       _package = package;
       multiImgController.setImageUrls = package.photoUrls;
@@ -69,37 +70,37 @@ class _ProcessingInfoState extends State<ProcessingInfo> {
       iconData: Icons.phone,
     );
     final customerNameBox = DisplayText(
-      text:_package!=null? _package!.userName:"",
+      text: _package != null ? _package!.userName : "",
       labelTextKey: "processing.consignee.name",
       iconData: Icons.perm_identity,
     );
     var senderFcsIDBox = DisplayText(
-      text:_package!=null? _package!.senderFCSID:"",
+      text: _package != null ? _package!.senderFCSID : "",
       labelTextKey: "processing.fcs.id",
       icon: FcsIDIcon(),
     );
     final senderPhoneNumberBox = DisplayText(
-      text: _package!=null?_package!.senderPhoneNumber:"",
+      text: _package != null ? _package!.senderPhoneNumber : "",
       labelTextKey: "processing.phone",
       iconData: Icons.phone,
     );
     final senderNameBox = DisplayText(
-      text:_package!=null? _package!.senderName:"",
+      text: _package != null ? _package!.senderName : "",
       labelTextKey: "processing.shipper.name",
       iconData: Icons.perm_identity,
     );
     final marketBox = DisplayText(
-      text:_package!=null? _package!.market : "-",
+      text: _package != null ? _package!.market : "-",
       labelTextKey: "processing.market",
       iconData: Icons.store,
     );
     final descBox = DisplayText(
-      text:_package!=null? _package!.desc : "-",
+      text: _package != null ? _package!.desc : "-",
       labelTextKey: "processing.desc",
       iconData: MaterialCommunityIcons.message_text_outline,
     );
     final remarkBox = DisplayText(
-      text:_package!=null? _package!.remark : "-",
+      text: _package != null ? _package!.remark : "-",
       labelTextKey: "processing.remark",
       iconData: Entypo.new_message,
     );
@@ -175,7 +176,7 @@ class _ProcessingInfoState extends State<ProcessingInfo> {
                   _package!.photoUrls.length == 0 ? Container() : img,
                   StatusTree(
                       shipmentHistory: _package!.shipmentHistory,
-                      currentStatus: _package!.status??""),
+                      currentStatus: _package!.status ?? ""),
                   SizedBox(
                     height: 20,
                   )
@@ -223,7 +224,7 @@ class _ProcessingInfoState extends State<ProcessingInfo> {
       PackageModel packageModel =
           Provider.of<PackageModel>(context, listen: false);
       Package? p = await packageModel.getPackage(_package!.id!);
-      initPackage(p!);
+      initPackage(p);
     }
   }
 }