优化火山翻译

Author: liscs

Mikoto/Helpers/Text/TextRepair.cs

@@ -16,6 +16,10 @@ public static partial class TextRepair
 
         public static string? RegexReplacement { get; set; }
         public static string? RegexPattern { get; set; }
+        /// <summary>
+        /// 检测重复句子时使用的最小字符数。
+        /// 若字符串末尾存在长度不少于该值的重复部分，则视为重复句子。
+        /// </summary>
         public static int SentenceRepeatFindCharNum { get; set; }
         public static int SingleWordRepeatTimes { get; set; }
 

Mikoto/Translators/Implementations/VolcanoTranslator.cs

@@ -146,9 +146,19 @@ private static string BuildRequestJson(string[] text, string sourceLanguage, str
                 string? result = jsonNode?["TranslationList"]?[0]?["Translation"]?.GetValue<string>();
                 if (result == null)
                 {
-                    errorInfo = "ErrorCodeN: " + jsonNode!["ResponseMetadata"]!["Error"]!["CodeN"]!.GetValue<int>() + Environment.NewLine
-                    + "ErrorCode: " + jsonNode["ResponseMetadata"]!["Error"]!["Code"]!.GetValue<string>() + Environment.NewLine
-                    + "ErrorMessage: " + jsonNode["ResponseMetadata"]!["Error"]!["Message"]!.GetValue<string>();
+                    // 提取错误信息
+                    var errorNode = jsonNode?["ResponseMetadata"]?["Error"];
+                    if (errorNode != null)
+                    {
+                        int? errorCodeN = errorNode["CodeN"]?.GetValue<int>();
+                        string? errorCode = errorNode["Code"]?.GetValue<string>();
+                        string? errorMessage = errorNode["Message"]?.GetValue<string>();
+
+                        errorInfo = $"ErrorCodeN: {errorCodeN}{Environment.NewLine}" +
+                                    $"ErrorCode: {errorCode}{Environment.NewLine}" +
+                                    $"ErrorMessage: {errorMessage}";
+                    }
+
                     return null;
                 }
                 else