Change sub_history.

lib/local_storage/sqflite_localpodcast.dart

@@ -414,11 +414,11 @@ class DBHelper {
       ORDER BY add_date DESC""");
     return list
         .map((record) => SubHistory(
-            record['status'] == 0 ? true : false,
             DateTime.fromMillisecondsSinceEpoch(record['remove_date']),
             DateTime.fromMillisecondsSinceEpoch(record['add_date']),
             record['rss_url'],
-            record['title']))
+            record['title'],
+            status: record['status'] == 0 ? true : false,))
         .toList();
   }
 

lib/type/sub_history.dart

@@ -1,3 +1,5 @@
+import 'package:flutter/foundation.dart';
+
 class SubHistory {
   /// POdcast subscribe date.
   DateTime subDate;
@@ -14,5 +16,6 @@ class SubHistory {
   /// POdcast rss link.
   String rssUrl;
 
-  SubHistory(this.status, this.delDate, this.subDate, this.rssUrl, this.title);
+  SubHistory(this.delDate, this.subDate, this.rssUrl, this.title,
+      {@required this.status});
 }