更新skipmodel

lib/models/base/skip_model.dart

@@ -11,6 +11,10 @@ class SkipModel {
       this.skipIdentifier});
 
   SkipModel.fromJson(Map<String, dynamic> json) {
+    fromJson(json);
+  }
+
+  void fromJson(Map<String, dynamic> json) {
     url = json['url'];
     requiredLogin = json['required_login'];
     requiredTaobaoAuth = json['required_taobao_auth'];

lib/util/api.dart

@@ -63,6 +63,7 @@ class Api {
           responds.data is Map ? jsonEncode(responds.data) : responds.data);
     } on DioError catch (e) {
       _formatError(e);
+      return {};
     }
 
     return result[GlobalConfig.HTTP_RESPONSE_KEY_DATA];