diff --git a/CPF_Cef/Common/ChunkedUpload.cs b/CPF_Cef/Common/ChunkedUpload.cs
index dd4fa6d..a01d071 100644
--- a/CPF_Cef/Common/ChunkedUpload.cs
+++ b/CPF_Cef/Common/ChunkedUpload.cs
@@ -1,26 +1,14 @@
-using Newtonsoft.Json.Linq;
+using AKS.EnterpriseLibrary.WebBrowser;
+using AksWebBrowser.Devices;
+using AKSWebBrowser.Commen;
 using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
-using System.Linq;
 using System.Net.Http;
-using System.Net.Http.Headers;
-using System.Text;
 using System.Threading.Tasks;
-using CPF.Controls;
-using AKSWebBrowser.Commen;
-using System.Collections;
-using System.Net.NetworkInformation;
-using AKS.EnterpriseLibrary.WebBrowser;
-using System.Globalization;
-using CPF;
-using CPF.Windows;
-using static System.Net.Mime.MediaTypeNames;
-using System.Text.RegularExpressions;
-using AksWebBrowser.Devices;
-using LibVLCSharp.Shared;
-using System.Threading;
 
 namespace AksWebBrowser.Common
 {
@@ -221,42 +209,97 @@ namespace AksWebBrowser.Common
         {
             try
             {
-                var client = new HttpClient();
-                var request = new HttpRequestMessage(HttpMethod.Post, Parame.signUrl);
-                var content = new StringContent("{\r\n        \"command\": \"tts\",\r\n        \"command_num\": 201,\r\n        \"data\": {\r\n            \"operation\": \"text_to_wav\",\r\n            \"operation_code\": 1,\r\n            \"parameters\": {\r\n                \"data_type\": 1,\r\n                \"tts_text\": \"" + tts_text + "\"\r\n            }\r\n        }\r\n    }", null, "application/json");
-                request.Content = content;
-                var response = await client.SendAsync(request);
-                response.EnsureSuccessStatusCode();
-                if (response.StatusCode.ToString() == "OK")
+                if (tts_text.Length <= 2000)
                 {
-                    // 读取响应内容
-                    string body = await response.Content.ReadAsStringAsync();
-                    // Log.Info("文字转语音:" + body);
-                    JObject jo = (JObject)JsonConvert.DeserializeObject(body);
-                    string ret = jo["ret_info"].ToString();
-                    JObject jo2 = (JObject)JsonConvert.DeserializeObject(ret);
-                    if (jo2["code"].ToString() == "0")
+                    var client = new HttpClient();
+                    var request = new HttpRequestMessage(HttpMethod.Post, Parame.signUrl);
+                    var content = new StringContent("{\r\n        \"command\": \"tts\",\r\n        \"command_num\": 201,\r\n        \"data\": {\r\n            \"operation\": \"text_to_wav\",\r\n            \"operation_code\": 1,\r\n            \"parameters\": {\r\n                \"data_type\": 1,\r\n                \"tts_text\": \"" + tts_text + "\"\r\n            }\r\n        }\r\n    }", null, "application/json");
+                    request.Content = content;
+                    var response = await client.SendAsync(request);
+                    response.EnsureSuccessStatusCode();
+                    if (response.StatusCode.ToString() == "OK")
                     {
-                        //读取data数据
-                        //读取data数据
-                        string data = jo["data"].ToString();
-                        JObject jo3 = (JObject)JsonConvert.DeserializeObject(data);
-                        //读取parameters数据
-                        string parameters = jo3["parameters"].ToString();
-                        JObject jo4 = (JObject)JsonConvert.DeserializeObject(parameters);
-                        //读取签字base64
-                        string sound_path = jo4["sound_path"].ToString();
-                        return sound_path;
+                        // 读取响应内容
+                        string body = await response.Content.ReadAsStringAsync();
+                        // Log.Info("文字转语音:" + body);
+                        JObject jo = (JObject)JsonConvert.DeserializeObject(body);
+                        string ret = jo["ret_info"].ToString();
+                        JObject jo2 = (JObject)JsonConvert.DeserializeObject(ret);
+                        if (jo2["code"].ToString() == "0")
+                        {
+                            //读取data数据
+                            //读取data数据
+                            string data = jo["data"].ToString();
+                            JObject jo3 = (JObject)JsonConvert.DeserializeObject(data);
+                            //读取parameters数据
+                            string parameters = jo3["parameters"].ToString();
+                            JObject jo4 = (JObject)JsonConvert.DeserializeObject(parameters);
+                            //返回文件路径
+                            string sound_path = jo4["sound_path"].ToString();
+                            return sound_path;
+                        }
+                        else
+                        {
+                            //Log.Error("请求签字失败" + jo["message"].ToString());
+                            return "";
+                        }
                     }
                     else
                     {
-                        //Log.Error("请求签字失败" + jo["message"].ToString());
                         return "";
                     }
                 }
                 else
                 {
-                    return "";
+                    int segmentLength = 2000;
+                    string[] segments = Utils.SplitTextIntoSegments(tts_text, segmentLength);
+                    List<string> lit = new List<string>();
+                    string _tmp = string.Empty;
+                    foreach (string segment in segments)
+                    {
+                        var client = new HttpClient();
+                        var request = new HttpRequestMessage(HttpMethod.Post, Parame.signUrl);
+                        var content = new StringContent("{\r\n        \"command\": \"tts\",\r\n        \"command_num\": 201,\r\n        \"data\": {\r\n            \"operation\": \"text_to_wav\",\r\n            \"operation_code\": 1,\r\n            \"parameters\": {\r\n                \"data_type\": 1,\r\n                \"tts_text\": \"" + segment + "\"\r\n            }\r\n        }\r\n    }", null, "application/json");
+                        request.Content = content;
+                        var response = await client.SendAsync(request);
+                        response.EnsureSuccessStatusCode();
+                        if (response.StatusCode.ToString() == "OK")
+                        {
+                            // 读取响应内容
+                            string body = await response.Content.ReadAsStringAsync();
+                            // Log.Info("文字转语音:" + body);
+                            JObject jo = (JObject)JsonConvert.DeserializeObject(body);
+                            string ret = jo["ret_info"].ToString();
+                            JObject jo2 = (JObject)JsonConvert.DeserializeObject(ret);
+                            if (jo2["code"].ToString() == "0")
+                            {
+                                //读取data数据
+                                //读取data数据
+                                string data = jo["data"].ToString();
+                                JObject jo3 = (JObject)JsonConvert.DeserializeObject(data);
+                                //读取parameters数据
+                                string parameters = jo3["parameters"].ToString();
+                                JObject jo4 = (JObject)JsonConvert.DeserializeObject(parameters);
+                                //返回文件路径
+                                string sound_path = jo4["sound_path"].ToString();
+                                lit.Add(sound_path);
+                                _tmp = _tmp + " " + sound_path + " ";
+                            }
+                        }
+
+                    }
+                    if (lit.Count == segments.Length)
+                    {
+                        string time = DateTime.Now.ToString("yyyyMMddHHmmss", DateTimeFormatInfo.InvariantInfo);
+                        string path = $"/tmp/{time}.wav";
+                        string command = $"sox {_tmp} -m {path}";
+                        MainModel.ShllCommad(command);
+                        return path;
+                    }
+                    else
+                    {
+                        return "";
+                    }
                 }
             }
             catch (Exception ex)
diff --git a/CPF_Cef/Common/Utils.cs b/CPF_Cef/Common/Utils.cs
index d3dcf7f..801bcb1 100644
--- a/CPF_Cef/Common/Utils.cs
+++ b/CPF_Cef/Common/Utils.cs
@@ -158,5 +158,37 @@ namespace AksWebBrowser.Common
             });
             return Imgpath;
         }
+
+        /// <summary>
+        /// 文字分段
+        /// </summary>
+        /// <param name="text"></param>
+        /// <param name="segmentLength"></param>
+        /// <returns></returns>
+        public static string[] SplitTextIntoSegments(string text, int segmentLength)
+        {
+            int segmentsCount = (int)Math.Ceiling((double)text.Length / segmentLength);
+            string[] segments = new string[segmentsCount];
+            for (int i = 0; i < segmentsCount; i++)
+            {
+                int startIndex = i * segmentLength;
+                int length = Math.Min(segmentLength, text.Length - startIndex);
+                segments[i] = text.Substring(startIndex, length);
+            }
+            return segments;
+        }
+
+        /// <summary>
+        /// 两个数有余数加1
+        /// </summary>
+        /// <param name="number1"></param>
+        /// <param name="number2"></param>
+        /// <returns></returns>
+        public static int AddOneIfRemainder(int number1, int number2)
+        {
+            decimal num = (decimal) number1 / number2;
+            decimal fraction = num - Math.Floor(num);
+            return Convert.ToInt32(num + (fraction > 0 ? 1 : 0));
+        }
     }
 }