diff --git a/robot-web/src/main/java/com/doodl6/wechatrobot/service/assistant/impl/OpenAIService.java b/robot-web/src/main/java/com/doodl6/wechatrobot/service/assistant/impl/OpenAIService.java
index 8d6e1af..2544df1 100644
--- a/robot-web/src/main/java/com/doodl6/wechatrobot/service/assistant/impl/OpenAIService.java
+++ b/robot-web/src/main/java/com/doodl6/wechatrobot/service/assistant/impl/OpenAIService.java
@@ -6,7 +6,8 @@
 import com.doodl6.wechatrobot.util.AddressUtil;
 import com.doodl6.wechatrobot.util.PropertyUtil;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.theokanning.openai.OpenAiApi;
+import com.google.common.collect.Lists;
+import com.theokanning.openai.client.OpenAiApi;
 import com.theokanning.openai.completion.chat.ChatCompletionChoice;
 import com.theokanning.openai.completion.chat.ChatCompletionRequest;
 import com.theokanning.openai.completion.chat.ChatMessage;
@@ -18,85 +19,88 @@
 import java.net.InetSocketAddress;
 import java.net.Proxy;
 import java.time.Duration;
-import java.util.Collections;
 import java.util.List;
 
 public class OpenAIService implements AssistantService {
 
-  private static final String OPENAI_API_KEY = "OPENAI_API_KEY";
+    private static final String OPENAI_API_KEY = "OPENAI_API_KEY";
 
-  private static final String OPENAI_BASE_DOMAIN = "OPENAI_BASE_DOMAIN";
+    private static final String OPENAI_BASE_DOMAIN = "OPENAI_BASE_DOMAIN";
 
-  private static final String OPENAI_SERVER_URL = "OPENAI_SERVER_URL";
+    private static final String OPENAI_SERVER_URL = "OPENAI_SERVER_URL";
 
-  private static final String OPENAI_PROXY = "OPENAI_PROXY";
+    private static final String OPENAI_PROXY = "OPENAI_PROXY";
 
-  private static final String MODEL = "gpt-3.5-turbo";
+    private static final String MODEL = "gpt-3.5-turbo";
 
-  private static OpenAiService openAiService;
+    private static OpenAiService openAiService;
 
-  public OpenAIService() {
-    String apiKey = PropertyUtil.getProperty(OPENAI_API_KEY);
-    if (StringUtils.isBlank(apiKey)) {
-      return;
-    }
+    public OpenAIService() {
+        String apiKey = PropertyUtil.getProperty(OPENAI_API_KEY);
+        if (StringUtils.isBlank(apiKey)) {
+            return;
+        }
 
-    String proxyAddress = PropertyUtil.getProperty(OPENAI_PROXY);
-    OkHttpClient.Builder clientBuilder = OpenAiService.defaultClient(apiKey, Duration.ofSeconds(10)).newBuilder();
-    if (StringUtils.isNotBlank(proxyAddress)) {
-      boolean valid = AddressUtil.validateAddress(proxyAddress);
-      if (!valid) {
-        throw new RuntimeException("OPENAI_PROXY is not valid, value:" + proxyAddress);
-      }
-
-      String[] parts = proxyAddress.split(":");
-      Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress(parts[0], parts.length == 2 ? Integer.parseInt(parts[1]) : 80));
-      clientBuilder.proxy(proxy);
-    }
+        String proxyAddress = PropertyUtil.getProperty(OPENAI_PROXY);
+        OkHttpClient.Builder clientBuilder = OpenAiService.defaultClient(apiKey, Duration.ofSeconds(10)).newBuilder();
+        if (StringUtils.isNotBlank(proxyAddress)) {
+            boolean valid = AddressUtil.validateAddress(proxyAddress);
+            if (!valid) {
+                throw new RuntimeException("OPENAI_PROXY is not valid, value:" + proxyAddress);
+            }
+
+            String[] parts = proxyAddress.split(":");
+            Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress(parts[0], parts.length == 2 ? Integer.parseInt(parts[1]) : 80));
+            clientBuilder.proxy(proxy);
+        }
 
-    OkHttpClient client = clientBuilder.build();
-    ObjectMapper mapper = OpenAiService.defaultObjectMapper();
-    Retrofit.Builder retrofitBuilder = OpenAiService.defaultRetrofit(client, mapper).newBuilder();
-
-    String serverUrl = PropertyUtil.getProperty(OPENAI_SERVER_URL);
-    if (StringUtils.isNotBlank(serverUrl)) {
-      retrofitBuilder.baseUrl(serverUrl);
-    } else {
-      String baseDomain = PropertyUtil.getProperty(OPENAI_BASE_DOMAIN);
-      if (StringUtils.isNotBlank(baseDomain)) {
-        boolean valid = AddressUtil.validateAddress(baseDomain);
-        if (!valid) {
-          throw new RuntimeException("OPENAI_BASE_DOMAIN is not valid, value:" + baseDomain);
+        OkHttpClient client = clientBuilder.build();
+        ObjectMapper mapper = OpenAiService.defaultObjectMapper();
+        Retrofit.Builder retrofitBuilder = OpenAiService.defaultRetrofit(client, mapper).newBuilder();
+
+        String serverUrl = PropertyUtil.getProperty(OPENAI_SERVER_URL);
+        if (StringUtils.isNotBlank(serverUrl)) {
+            retrofitBuilder.baseUrl(serverUrl);
+        } else {
+            String baseDomain = PropertyUtil.getProperty(OPENAI_BASE_DOMAIN);
+            if (StringUtils.isNotBlank(baseDomain)) {
+                boolean valid = AddressUtil.validateAddress(baseDomain);
+                if (!valid) {
+                    throw new RuntimeException("OPENAI_BASE_DOMAIN is not valid, value:" + baseDomain);
+                }
+
+                retrofitBuilder.baseUrl("https://" + baseDomain + "/");
+            }
         }
 
-        retrofitBuilder.baseUrl("https://" + baseDomain + "/");
-      }
+        Retrofit retrofit = retrofitBuilder.build();
+        OpenAiApi api = retrofit.create(OpenAiApi.class);
+        openAiService = new OpenAiService(api);
     }
 
-    Retrofit retrofit = retrofitBuilder.build();
-    OpenAiApi api = retrofit.create(OpenAiApi.class);
-    openAiService = new OpenAiService(api);
-  }
-
-  /**
-   * 获取消息响应
-   */
-  @Override
-  public BaseMessage processText(String content, String fromUserName) {
-    if (openAiService == null) {
-      return null;
-    }
+    /**
+     * 获取消息响应
+     */
+    @Override
+    public BaseMessage processText(String content, String fromUserName) {
+        if (openAiService == null) {
+            return null;
+        }
 
-    ChatMessage chatMessage = new ChatMessage();
-    chatMessage.setRole("user");
-    chatMessage.setContent(content);
-    ChatCompletionRequest chatCompletionRequest = ChatCompletionRequest.builder()
-        .model(MODEL)
-        .messages(Collections.singletonList(chatMessage))
-        .build();
-    List<ChatCompletionChoice> choiceList = openAiService.createChatCompletion(chatCompletionRequest).getChoices();
-    choiceList.forEach(System.out::println);
-    String result = choiceList.get(0).getMessage().getContent();
-    return new TextMessage(result);
-  }
+        ChatMessage systemMsg = new ChatMessage();
+        systemMsg.setRole("system");
+        systemMsg.setContent("你是一个AI助手，保持回复内容尽量简短");
+
+        ChatMessage userMsg = new ChatMessage();
+        userMsg.setRole("user");
+        userMsg.setContent(content);
+        ChatCompletionRequest chatCompletionRequest = ChatCompletionRequest.builder()
+                .model(MODEL)
+                .messages(Lists.newArrayList(systemMsg, userMsg))
+                .build();
+        List<ChatCompletionChoice> choiceList = openAiService.createChatCompletion(chatCompletionRequest).getChoices();
+        choiceList.forEach(System.out::println);
+        String result = choiceList.get(0).getMessage().getContent();
+        return new TextMessage(result);
+    }
 }