add

lib/utils/constants.dart

@@ -25,7 +25,7 @@ const String kReadBook = '$kServerUrl/html/app/read.html';
 // 答题页
 const String kAnswer = '$kServerUrl/html/app/evaluating.html';
 // 答题结果页
-const String kAnswerResult = 'http://150.158.138.40:9200/evaluating_result.html';
+const String kAnswerResult = '$kServerUrl/html/app/evaluating_result.html';
 // 画廊 扩展阅读
 const String kReadInfo = '$kServerUrl/html/app/read_info.html';