youhua

flutter_monisuo/lib/core/network/api_exception.dart

@@ -0,0 +1,38 @@
+/// API 异常类
+class ApiException implements Exception {
+  final String message;
+  final String code;
+  final int? statusCode;
+
+  ApiException({
+    required this.message,
+    required this.code,
+    this.statusCode,
+  });
+
+  factory ApiException.unauthorized([String? message]) {
+    return ApiException(
+      message: message ?? '未授权',
+      code: '0002',
+      statusCode: 401,
+    );
+  }
+
+  factory ApiException.networkError([String? message]) {
+    return ApiException(
+      message: message ?? '网络错误',
+      code: 'NETWORK_ERROR',
+    );
+  }
+
+  factory ApiException.serverError([String? message]) {
+    return ApiException(
+      message: message ?? '服务器错误',
+      code: 'SERVER_ERROR',
+      statusCode: 500,
+    );
+  }
+
+  @override
+  String toString() => 'ApiException: $message (code: $code)';
+}

flutter_monisuo/lib/core/network/dio_client.dart

@@ -53,7 +53,7 @@ class ApiResponse<T> {
       if (fromJsonT != null && data != null) {
         return ApiResponse.success(fromJsonT(data), msg);
       }
-      return ApiResponse.success(data as T?, msg);
+      return ApiResponse.success(data as T, msg);
     } else if (code == '0002') {
       return ApiResponse.unauthorized(msg);
     } else {

flutter_monisuo/lib/core/theme/app_theme.dart

@@ -71,7 +71,7 @@ class AppTheme {
         color: AppColors.border,
         thickness: 1,
       ),
-      cardTheme: CardTheme(
+      cardTheme: CardThemeData(
         color: AppColors.cardBackground,
         elevation: 0,
         shape: RoundedRectangleBorder(