更新

lib/model/api_response.dart

@@ -3,15 +3,27 @@ class ApiResponse<T> {
   T? data;
   String? msg;
   int? total;
+  dynamic rawResponse; // 原始 Dio 响应对象
+
+  ApiResponse({
+    required this.code,
+    this.data,
+    this.msg,
+    this.total,
+    this.rawResponse,
+  });
 
-  ApiResponse({required this.code, this.data, this.msg, this.total});
   factory ApiResponse.fromJson(
-      Map<String, dynamic> json, T Function(Object?) fromJsonT) {
+    Map<String, dynamic> json,
+    T Function(Object?) fromJsonT, {
+    dynamic rawResponse,
+  }) {
     return ApiResponse<T>(
-      code: json['code'] as int,
+      code: json['code'] as int?,
       data: json['data'] != null ? fromJsonT(json['data']) : null,
       msg: json['msg'] as String?,
       total: json['total'] as int?,
+      rawResponse: rawResponse, // 保留 Dio 原始响应对象
     );
   }
 }