Merge branch 'fix-githubModelError'

lib/models/github/latest.dart

@@ -17,8 +17,9 @@ class LatestDataModel {
     url = json['url'];
     tagName = json['tag_name'];
     createdAt = json['created_at'];
-    assets =
-        json['assets'].map<AssetItem>((e) => AssetItem.fromJson(e)).toList();
+    assets = json['assets'] != null
+        ? json['assets'].map<AssetItem>((e) => AssetItem.fromJson(e)).toList()
+        : [];
     body = json['body'];
   }
 }

lib/utils/utils.dart

@@ -276,16 +276,18 @@ class Utils {
       // [arm64-v8a]
       String abi = androidInfo.supportedAbis.first;
       late String downloadUrl;
-      for (var i in data.assets) {
-        if (i.downloadUrl.contains(abi)) {
-          downloadUrl = i.downloadUrl;
+      if (data.assets.isNotEmpty) {
+        for (var i in data.assets) {
+          if (i.downloadUrl.contains(abi)) {
+            downloadUrl = i.downloadUrl;
+          }
         }
+        // 应用外下载
+        launchUrl(
+          Uri.parse(downloadUrl),
+          mode: LaunchMode.externalApplication,
+        );
       }
-      // 应用外下载
-      launchUrl(
-        Uri.parse(downloadUrl),
-        mode: LaunchMode.externalApplication,
-      );
     }
   }