diff --git a/dao/model.go b/dao/model.go
index 75c6fb4..7a5f45a 100644
--- a/dao/model.go
+++ b/dao/model.go
@@ -19,7 +19,8 @@ type FunctionModel struct {
 	Function string `gorm:"column:function"` //功能函数,唯一标识
 	UserID   uint   `gorm:"column:user_id"`  //用户id
 	ModelID  uint   `gorm:"column:model_id"` //模型id
-	Info     string `gorm:"column:info"`     //功能信息
+	Info     string `gorm:"column:info"`     //功能信息，系统功能,对应模型系统参数
+	//System   string `gorm:"column:system"`   //系统功能,对应模型系统参数
 }
 
 // 创建模型
diff --git a/handler/im.go b/handler/im.go
index 9d76a1c..eff1040 100644
--- a/handler/im.go
+++ b/handler/im.go
@@ -196,11 +196,14 @@ func doReceiveGenChatMessage(userId int, sessionID *uint, data *proto.WSMessageR
 	}
 	var model dao.Model
 	//查看请求功能类型
-	if data.Function == "gen-ai-chat" {
-		model = service.FindFuncModelByFunction(data.Function, userId)[0]
-	} else {
+	models, funcs := service.FindFuncModelByFunction(data.Function, userId)
+	if funcs == nil || len(funcs) == 0 {
 		return errors.New("function not exist")
 	}
+	if models == nil || len(models) == 0 {
+		return errors.New("model not exist")
+	}
+	model = models[0]
 	//解析模型参数
 	var modelParam proto.ModelParam
 	err = json.Unmarshal([]byte(model.Parameter), &modelParam)
@@ -208,6 +211,7 @@ func doReceiveGenChatMessage(userId int, sessionID *uint, data *proto.WSMessageR
 		return err
 	}
 	modelParam.Url = model.Url
+	modelParam.System = funcs[0].Info //系统功能
 
 	var userMsgID uint
 	//将消息存入数据库
diff --git a/proto/im.go b/proto/im.go
index 00040b8..0cabe7b 100644
--- a/proto/im.go
+++ b/proto/im.go
@@ -33,6 +33,7 @@ type ModelParam struct {
 	APPID     string `json:"appid"`     //应用id
 	APISecret string `json:"apiSecret"` //应用密钥
 	APIKey    string `json:"apiKey"`    //应用key
+	System    string `json:"system"`    //系统参数
 }
 
 type SessionResponse struct {
diff --git a/service/doubao.go b/service/doubao.go
index e986e54..9a40975 100644
--- a/service/doubao.go
+++ b/service/doubao.go
@@ -24,7 +24,7 @@ func doubao(modelParam proto.ModelParam, question, channel string, SessionID, Us
 	)
 	ctx := context.Background()
 	messages := make([]*model.ChatCompletionMessage, 0)
-	err := GetDouBaoSessionHistoryMsg(SessionID, "你是豆包，是由字节跳动开发的 AI 人工智能助手", &messages, question)
+	err := GetDouBaoSessionHistoryMsg(SessionID, modelParam.System, &messages, question)
 	if err != nil {
 		log.Println("get doubao session history message error:", err)
 	}
diff --git a/service/modelService.go b/service/modelService.go
index e5038e3..8d546b6 100644
--- a/service/modelService.go
+++ b/service/modelService.go
@@ -108,13 +108,13 @@ func UpdateFuncModelByID(id int, userID, modelID uint, name, info, function stri
 }
 
 // 根据功能查找对应功能
-func FindFuncModelByFunction(function string, userID int) []dao.Model {
+func FindFuncModelByFunction(function string, userID int) ([]dao.Model, []dao.FunctionModel) {
 	//先查找对应功能
 	funcModels := dao.FindFunctionModelByFunction(function)
 	if len(funcModels) == 0 {
-		return nil
+		return nil, nil
 	}
 	modelID := funcModels[0].ModelID
 	//再查找对应模型
-	return dao.FindModelByID(int(modelID), userID)
+	return dao.FindModelByID(int(modelID), userID), funcModels
 }
diff --git a/service/spark.go b/service/spark.go
index 002b31f..ef43442 100644
--- a/service/spark.go
+++ b/service/spark.go
@@ -124,7 +124,7 @@ func Spark(modelParam proto.ModelParam, question, channel string, SessionID, Use
 
 	//发送消息
 	go func() {
-		data := genSparkParams(question, modelParam.APPID, modelParam.Domain, SessionID, "")
+		data := genSparkParams(question, modelParam.APPID, modelParam.Domain, SessionID, modelParam.System)
 		//将数据转换为json
 		//dataByte, err := json.Marshal(data)
 		if err != nil {