diff --git a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/conversation/ConversationServiceImpl.java b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/conversation/ConversationServiceImpl.java
index 0f38cf733..6af8deb6e 100644
--- a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/conversation/ConversationServiceImpl.java
+++ b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/conversation/ConversationServiceImpl.java
@@ -416,7 +416,7 @@ public class ConversationServiceImpl implements ConversationService {
         ModelCompletionsReqVO modelCompletionsReqVO = new ModelCompletionsReqVO();
         modelCompletionsReqVO.setMessages(messages);
         modelCompletionsReqVO.setModel(model);
-        log.info("构建模型补全请求对象，请求参数: {}", modelCompletionsReqVO);
+        log.info("构建模型补全请求对象，请求参数1: {}", modelCompletionsReqVO);
 
         // 调用模型服务进行流式处理
         modelService.modelCompletionsStream(selfModelUrl, modelCompletionsReqVO, emitter);
diff --git a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/http/ModelService.java b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/http/ModelService.java
index e71fc3dd0..7ef401702 100644
--- a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/http/ModelService.java
+++ b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/http/ModelService.java
@@ -15,6 +15,7 @@ import org.apache.http.HttpEntity;
 import org.apache.http.HttpResponse;
 import org.apache.http.client.HttpClient;
 import org.apache.http.client.methods.HttpPost;
+import org.apache.http.entity.ContentType;
 import org.apache.http.entity.StringEntity;
 import org.apache.http.impl.client.HttpClients;
 import org.springframework.http.MediaType;
@@ -147,10 +148,11 @@ public class ModelService {
      */
     public void modelCompletionsStream (String url, ModelCompletionsReqVO req, SseEmitter emitter) {
         req.setStream(true);
-        log.info("开始处理模型补全请求，参数: {}", req);
+        log.info("开始处理模型补全请求，参数2: {}", req);
         try {
-            log.info("开始处理模型补全请求，参数: {}", JSON.toJSONString(req));
-            sendPostRequest(url, JSON.toJSONString(req), emitter);
+            String jsonString = JSON.toJSONString(req);
+            log.info("开始处理模型补全请求，参数3: {}", jsonString);
+            sendPostRequest(url, jsonString, emitter);
         } catch (Exception e) {
             emitter.completeWithError(e);
         }
@@ -166,6 +168,7 @@ public class ModelService {
     private void sendPostRequest (String apiUrl, String requestBody, SseEmitter emitter) throws IOException {
         // 创建 HttpClient 实例
         HttpClient httpClient = HttpClients.createDefault();
+
         // 创建 HttpPost 请求对象
         HttpPost httpPost = new HttpPost(apiUrl);
 
@@ -188,11 +191,15 @@ public class ModelService {
      */
     private void setupRequest (HttpPost httpPost, String requestBody) throws IOException {
         // 创建 StringEntity 对象，用于封装请求体
-        StringEntity entity = new StringEntity(requestBody);
+        StringEntity entity = new StringEntity(
+                requestBody,
+                // 自动设置Content-Type为application/json; charset=UTF-8
+                ContentType.APPLICATION_JSON
+        );
         // 设置请求体
         httpPost.setEntity(entity);
         // 设置请求头，指定请求体的内容类型为 JSON
-        httpPost.setHeader("Content-Type", "application/json");
+//        httpPost.setHeader("Content-Type", "application/json");
         httpPost.setHeader("Accept-Encoding", "gzip, deflate, br");
         httpPost.setHeader("Accept", "*/*");
         httpPost.setHeader("Connection", "keep-alive");