diff --git a/STranslateDLL/LocalMode.cs b/STranslateDLL/LocalMode.cs
index 4e59c1a..9d0edfd 100644
--- a/STranslateDLL/LocalMode.cs
+++ b/STranslateDLL/LocalMode.cs
@@ -1,35 +1,34 @@
 using System.IO.Compression;
-using System.Text.Json;
 using System.Text;
 using Newtonsoft.Json;
 
 namespace STranslateDLL;
 
-public class LocalMode
+public static class LocalMode
 {
-    private static long NextId;
+    private static long _nextId;
 
-    private static bool HasInit = false;
+    private static bool _hasInit = false;
 
     private static void Initial()
     {
         var rand = new Random();
-        var num = rand.NextInt64(99999) + 8300000;
-        NextId = num * 1000;
+        var number = rand.NextInt64(99999) + 8300000;
+        _nextId = number * 1000;
 
-        HasInit = true;
+        _hasInit = true;
     }
 
     public static async Task<string> ExecuteAsync(string content, string? sourceLang = null, string targetLang = "ZH", CancellationToken? token = null)
     {
-        if (!HasInit)
+        if (!_hasInit)
         {
             Initial();
         }
         var getToken = token ?? CancellationToken.None;
-        long timeSpan = GenerateTimestamp(content);
-        long id = CreateId();
-        string reqStr = GenerateRequestStr(content, sourceLang, targetLang, timeSpan, id);
+        var timeSpan = GenerateTimestamp(content);
+        var id = CreateId();
+        var reqStr = GenerateRequestStr(content, sourceLang, targetLang, timeSpan, id);
 
         using var client = new HttpClient();
         var request = new HttpRequestMessage(HttpMethod.Post, "https://www2.deepl.com/jsonrpc")
@@ -51,15 +50,15 @@ public class LocalMode
         request.Headers.Add("Referer", "https://www.deepl.com/");
         request.Headers.Add("Connection", "keep-alive");
 
-        HttpResponseMessage resp = await client.SendAsync(request, getToken);
+        var resp = await client.SendAsync(request, getToken);
         //resp.EnsureSuccessStatusCode();
 
         string responseBody;
 
         if (resp.Content.Headers.ContentEncoding.Contains("br"))
         {
-            using var responseStream = await resp.Content.ReadAsStreamAsync(getToken);
-            using var decompressionStream = new BrotliStream(responseStream, CompressionMode.Decompress);
+            await using var responseStream = await resp.Content.ReadAsStreamAsync(getToken);
+            await using var decompressionStream = new BrotliStream(responseStream, CompressionMode.Decompress);
             using var streamReader = new StreamReader(decompressionStream);
             responseBody = await streamReader.ReadToEndAsync(getToken);
         }
@@ -81,13 +80,27 @@ public class LocalMode
     private static long GenerateTimestamp(string texts)
     {
         long iCount = texts.Split('i').Length - 1;
-        long ts = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
+        var ts = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
         return iCount != 0 ? ts - ts % (iCount + 1) + (iCount + 1) : ts;
     }
 
     private static long CreateId()
     {
-        return Interlocked.Increment(ref NextId);
+        return Interlocked.Increment(ref _nextId);
+    }
+    
+    private static string AdjustJsonContent(string json, long id)
+    {
+        string method;
+        if ((id + 3) % 13 == 0 || (id + 5) % 29 == 0)
+        {
+            method = "\"method\" : \"";
+        }
+        else
+        {
+            method = "\"method\": \"";
+        }
+        return json.Replace("\"method\":\"", method);
     }
 
     private static string GenerateRequestStr(string text, string? sourceLang, string targetLang, long timeSpan, long id)
@@ -116,13 +129,19 @@ public class LocalMode
                 CommonJobParams = new ReqParamsCommonJobParams
                 {
                     WasSpoken = false,
-                    TranscribeAS = null
+                    TranscribeAS = ""
                 }
             },
             Id = id
         };
 
-        string json = JsonConvert.SerializeObject(req);
+        var json = JsonConvert.SerializeObject(req);
+
+        var count = json.Length > 300 ? 0 : 3;
+        req.Params.Texts.First().RequestAlternatives = count;
+
+        json = JsonConvert.SerializeObject(req);
+        json = AdjustJsonContent(json, id);
         return json;
     }
 }
@@ -188,7 +207,7 @@ public class DeepLResponse
     [JsonProperty("jsonrpc")]
     public string Jsonrpc { get; set; } = "";
     [JsonProperty("id")]
-    public int Id { get; set; }
+    public long Id { get; set; }
     [JsonProperty("result")]
     public RespResult? Result { get; set; }
     [JsonProperty("error")]