diff --git a/sys/shkd-sys-sys/src/main/java/shkd/sys/sys/mservice/ApiService.java b/sys/shkd-sys-sys/src/main/java/shkd/sys/sys/mservice/ApiService.java
index 4c3c830..57fd060 100644
--- a/sys/shkd-sys-sys/src/main/java/shkd/sys/sys/mservice/ApiService.java
+++ b/sys/shkd-sys-sys/src/main/java/shkd/sys/sys/mservice/ApiService.java
@@ -10,11 +10,13 @@ import kd.bos.logging.LogFactory;
 import kd.bos.orm.query.QCP;
 import kd.bos.orm.query.QFilter;
 import kd.bos.servicehelper.BusinessDataServiceHelper;
+import okhttp3.*;
 
 import javax.crypto.Mac;
 import javax.crypto.spec.SecretKeySpec;
 import javax.net.ssl.*;
 import java.io.BufferedReader;
+import java.io.IOException;
 import java.io.InputStreamReader;
 import java.io.OutputStream;
 import java.math.BigDecimal;
@@ -587,54 +589,28 @@ public class ApiService {
      * @return 调用接口返回信息
      */
     private static String submitBill(String token, String linkUrl, String requestBody) {
-        try {
-            // 请求URL
-            URL url = new URL(linkUrl + "?access_token=" + token);
-            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
+        OkHttpClient client = new OkHttpClient();
 
-            // 设置请求方法为POST
-            connection.setRequestMethod("POST");
+        MediaType mediaType = MediaType.parse("application/json");
+        RequestBody body = RequestBody.create(mediaType, requestBody);
 
-            // 设置请求头
-            connection.setRequestProperty("Content-Type", "application/json");
+        Request request = new Request.Builder()
+                .url(linkUrl + "?access_token=" + token)
+                .post(body)
+                .addHeader("Content-Type", "application/json")
+                .build();
 
-            // 允许输出
-            connection.setDoOutput(true);
-
-            // 写入请求体
-            try (OutputStream os = connection.getOutputStream()) {
-                byte[] input = requestBody.getBytes(StandardCharsets.UTF_8);
-                os.write(input, 0, input.length);
-            }
-
-            // 获取响应码
-            int responseCode = connection.getResponseCode();
-
-            // 读取响应内容
-            if (responseCode == HttpURLConnection.HTTP_OK) { // 成功响应
-                BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream(), StandardCharsets.UTF_8));
-                String inputLine;
-                StringBuilder content = new StringBuilder();
-                while ((inputLine = in.readLine()) != null) {
-                    content.append(inputLine);
-                }
-                in.close();
-                // 替换 \n 为实际的换行符
-                logger.info("提交接口调用成功，响应成功信息：{}", content);
-                return "提交接口 → 响应成功: " + content.toString();
+        try (Response response = client.newCall(request).execute()) {
+            if (response.isSuccessful()) {
+                String responseBody = String.valueOf(response.body());
+                logger.info("提交接口调用成功，响应成功信息：{}", responseBody);
+                return "提交接口 → 响应成功: " + responseBody;
             } else {
-                // 读取错误流
-                BufferedReader errorReader = new BufferedReader(new InputStreamReader(connection.getErrorStream(), StandardCharsets.UTF_8));
-                String errorLine;
-                StringBuilder errorContent = new StringBuilder();
-                while ((errorLine = errorReader.readLine()) != null) {
-                    errorContent.append(errorLine);
-                }
-                errorReader.close();
-                logger.info("提交接口调用失败，响应失败信息：{}", errorReader);
-                return "提交接口 → 响应失败: " + errorContent;
+                String errorBody = String.valueOf(response.body());
+                logger.info("提交接口调用失败，响应失败信息：{}", errorBody);
+                return "提交接口 → 响应失败: " + errorBody;
             }
-        } catch (Exception e) {
+        } catch (IOException e) {
             logger.info("请求失败，失败信息：{}", e);
             return "提交接口 → 请求失败，" + e.getMessage();
         }