diff --git a/src/main/java/com/unfbx/sparkdesk/constant/SparkDesk.java b/src/main/java/com/unfbx/sparkdesk/constant/SparkDesk.java
index afbe01b..30a8b42 100644
--- a/src/main/java/com/unfbx/sparkdesk/constant/SparkDesk.java
+++ b/src/main/java/com/unfbx/sparkdesk/constant/SparkDesk.java
@@ -22,4 +22,12 @@ public class SparkDesk {
      * 星火v2.1地址：wss协议
      */
     public final static String SPARK_API_HOST_WSS_V2_1 = "https://spark-api.xf-yun.com/v2.1/chat";
+    /**
+     * 星火v3.1地址：ws协议
+     */
+    public final static String SPARK_API_HOST_WS_V3_1 = "http://spark-api.xf-yun.com/v3.1/chat";
+    /**
+     * 星火v3.1地址：wss协议
+     */
+    public final static String SPARK_API_HOST_WSS_V3_1 = "https://spark-api.xf-yun.com/v3.1/chat";
 }
diff --git a/src/main/java/com/unfbx/sparkdesk/entity/Chat.java b/src/main/java/com/unfbx/sparkdesk/entity/Chat.java
index d973408..cf6a186 100644
--- a/src/main/java/com/unfbx/sparkdesk/entity/Chat.java
+++ b/src/main/java/com/unfbx/sparkdesk/entity/Chat.java
@@ -17,8 +17,8 @@
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class Chat {
     /**
-     * 取值为[general,generalv2]
-     * 指定访问的领域,general指向V1.5版本 generalv2指向V2版本。注意：不同的取值对应的url也不一样！
+     * 取值为[general,generalv2,generalv3]
+     * 指定访问的领域,general指向V1.5版本,generalv2指向V2版本,generalv3指向V3版本 。注意：不同的取值对应的url也不一样！
      */
     private String domain;
     /**
@@ -26,7 +26,11 @@ public class Chat {
      */
     private double temperature;
     /**
-     * 取值为[1,4096]，默认为2048
+     * 模型回答的tokens的最大长度
+     * <p>
+     * V1.5取值为[1,4096]
+     * V2.0取值为[1,8192]，默认为2048。
+     * V3.0取值为[1,8192]，默认为2048。
      */
     @JsonProperty("max_tokens")
     private Integer maxTokens;
diff --git a/src/main/java/com/unfbx/sparkdesk/entity/Function.java b/src/main/java/com/unfbx/sparkdesk/entity/Function.java
new file mode 100644
index 0000000..d5e9feb
--- /dev/null
+++ b/src/main/java/com/unfbx/sparkdesk/entity/Function.java
@@ -0,0 +1,85 @@
+package com.unfbx.sparkdesk.entity;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @author cnzbq
+ * @since 11/30/2023
+ */
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class Function {
+    /**
+     * 列表形式，列表中的元素是json格式
+     * 元素中包含name、description、parameters属性
+     */
+    private List<Text> text;
+
+    @Data
+    @Builder
+    @AllArgsConstructor
+    @NoArgsConstructor
+    public static class Text {
+        /**
+         * function名称	用户输入命中后，会返回该名称
+         */
+        private String name;
+        /**
+         * function功能描述	描述function功能即可，越详细越有助于大模型理解该function
+         */
+        private String description;
+        /**
+         * function参数列表
+         */
+        private Parameter parameters;
+    }
+
+    @Data
+    @Builder
+    @AllArgsConstructor
+    @NoArgsConstructor
+    public static class Parameter {
+        /**
+         * 参数类型
+         */
+        private String type;
+        /**
+         * 参数信息描述
+         * 该内容由用户定义，命中该方法时需要返回哪些参数
+         */
+        private Map<String, Properties> properties;
+        /**
+         * 必须返回的参数列表
+         * 该内容由用户定义，命中方法时必须返回的字段
+         */
+        private List<String> required;
+    }
+
+
+    @Data
+    @Builder
+    @AllArgsConstructor
+    @NoArgsConstructor
+    public static class Properties {
+        /**
+         * 参数类型描述
+         * 该内容由用户定义，需要返回的参数是什么类型
+         */
+        private String type;
+        /**
+         * 参数详细描述
+         * 该内容由用户定义，需要返回的参数的具体描述
+         */
+        private String description;
+    }
+}
diff --git a/src/main/java/com/unfbx/sparkdesk/entity/FunctionCall.java b/src/main/java/com/unfbx/sparkdesk/entity/FunctionCall.java
new file mode 100644
index 0000000..9b25df3
--- /dev/null
+++ b/src/main/java/com/unfbx/sparkdesk/entity/FunctionCall.java
@@ -0,0 +1,27 @@
+package com.unfbx.sparkdesk.entity;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @author cnzbq
+ * @since 11/30/2023
+ */
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class FunctionCall {
+    /**
+     * 客户在请求体中定义的参数及参数值
+     */
+    private String arguments;
+    /**
+     * 客户在请求体中定义的方法名称
+     */
+    private String name;
+}
diff --git a/src/main/java/com/unfbx/sparkdesk/entity/InPayload.java b/src/main/java/com/unfbx/sparkdesk/entity/InPayload.java
index 549452f..a49c82f 100644
--- a/src/main/java/com/unfbx/sparkdesk/entity/InPayload.java
+++ b/src/main/java/com/unfbx/sparkdesk/entity/InPayload.java
@@ -16,4 +16,5 @@
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class InPayload {
     private Message message;
+    private Function functions;
 }
diff --git a/src/main/java/com/unfbx/sparkdesk/entity/Text.java b/src/main/java/com/unfbx/sparkdesk/entity/Text.java
index 648ba57..a80568c 100644
--- a/src/main/java/com/unfbx/sparkdesk/entity/Text.java
+++ b/src/main/java/com/unfbx/sparkdesk/entity/Text.java
@@ -1,6 +1,7 @@
 package com.unfbx.sparkdesk.entity;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.*;
 
 /**
@@ -24,6 +25,16 @@ public class Text {
      * 结果序号，取值为[0,10]; 当前为保留字段，开发者可忽略
      */
     private Integer index;
+    /**
+     * /
+     */
+    @JsonProperty("content_type")
+    private String contentType;
+    /**
+     * function call 返回结果
+     */
+    @JsonProperty("function_call")
+    private FunctionCall functionCall;
 
     @Getter
     public enum Role {
diff --git a/src/test/java/com/unfbx/AppTest.java b/src/test/java/com/unfbx/AppTest.java
index 8e553b9..ca4ca48 100644
--- a/src/test/java/com/unfbx/AppTest.java
+++ b/src/test/java/com/unfbx/AppTest.java
@@ -8,9 +8,7 @@
 import lombok.extern.slf4j.Slf4j;
 import org.junit.Test;
 
-import java.util.ArrayList;
-import java.util.List;
-import java.util.UUID;
+import java.util.*;
 import java.util.concurrent.CountDownLatch;
 
 /**
@@ -22,16 +20,16 @@ public class AppTest {
     @Test
     public void test() {
         SparkDeskClient sparkDeskClient = SparkDeskClient.builder()
-                .host(SparkDesk.SPARK_API_HOST_WS_V2_1)
+                .host(SparkDesk.SPARK_API_HOST_WS_V3_1)
                 .appid("****")
                 .apiKey("************************")
                 .apiSecret("************************")
                 .build();
-        InHeader header = InHeader.builder().uid(UUID.randomUUID().toString().substring(0, 10)).appid("****").build();
-        Parameter parameter = Parameter.builder().chat(Chat.builder().domain("generalv2").maxTokens(2048).temperature(0.3).build()).build();
+        InHeader header = InHeader.builder().uid(UUID.randomUUID().toString().substring(0, 10)).appid(sparkDeskClient.getAppid()).build();
+        Parameter parameter = Parameter.builder().chat(Chat.builder().domain("generalv3").maxTokens(2048).temperature(0.3).build()).build();
         List<Text> text = new ArrayList<>();
-        text.add(Text.builder().role(Text.Role.USER.getName()).content("使用md文档格式写出一个三行三列的表格，表头包含：姓名，性别，爱好。数据随机即可。").build());
-        InPayload payload = InPayload.builder().message(Message.builder().text(text).build()).build();
+        text.add(Text.builder().role(Text.Role.USER.getName()).content("北京天气").build());
+        InPayload payload = InPayload.builder().message(Message.builder().text(text).build()).functions(buildFunction()).build();
         AIChatRequest aiChatRequest = AIChatRequest.builder().header(header).parameter(parameter).payload(payload).build();
 
         sparkDeskClient.chat(new ChatListener(aiChatRequest) {
@@ -64,4 +62,29 @@ public void onChatToken(Usage usage) {
             e.printStackTrace();
         }
     }
+
+    private Function buildFunction() {
+        Function function = new Function();
+        Function.Text text1 = new Function.Text();
+        function.setText(Collections.singletonList(text1));
+
+        text1.setName("天气查询");
+        text1.setDescription("天气插件可以提供天气相关信息。你可以提供指定的地点信息、指定的时间点或者时间段信息，来检索诗词库，精准检索到天气信息。");
+
+        Function.Parameter parameter = new Function.Parameter();
+        text1.setParameters(parameter);
+
+        parameter.setType("object");
+
+        Function.Properties location = Function.Properties.builder().type("string").description("地点，比如北京。").build();
+        Function.Properties date = Function.Properties.builder().type("string").description("日期。").build();
+
+        Map<String, Function.Properties> map = new HashMap<>();
+        map.put("location", location);
+        map.put("date", date);
+        parameter.setProperties(map);
+
+        parameter.setRequired(Collections.singletonList("location"));
+        return function;
+    }
 }