diff --git a/handler/im.go b/handler/im.go
index 248c2cd..8fc6514 100644
--- a/handler/im.go
+++ b/handler/im.go
@@ -189,7 +189,12 @@ func subscribeAndHandleIMMessages(ws *websocket.Conn, userId int) {
 func doReceiveGenChatMessage(userId int, sessionID *uint, data *proto.WSMessageReq, chanel string) error {
 	var model dao.Model
 	//查看请求功能类型
-	models, funcs := service.FindFuncModelByFunction(data.Function, userId)
+	//models, funcs := service.FindFuncModelByFunction(data.Function, userId)
+	models, funcs, mferr := service.FindFuncModelListByFunctionV2(data.Function)
+	if mferr != nil {
+		return mferr
+	}
+
 	//log.Println("find function model by function:", models, funcs)
 	//log.Println("funcs:", len(funcs), "\tmodels:", len(models))
 	if len(funcs) == 0 {
@@ -210,7 +215,18 @@ func doReceiveGenChatMessage(userId int, sessionID *uint, data *proto.WSMessageR
 			log.Println("Create session error:", err)
 		}
 	}
-	model = models[0]
+	//获取模型
+	for _, v := range models {
+		if v.ID == data.ModelID {
+			model = v
+			break
+		}
+	}
+	if model.ID == 0 {
+		//说明前端传入的模型id不正确，取第一个模型
+		model = models[0]
+	}
+
 	//解析模型参数
 	var modelParam proto.ModelParam
 	err = json.Unmarshal([]byte(model.Parameter), &modelParam)
diff --git a/proto/im.go b/proto/im.go
index 0e942aa..67cb94e 100644
--- a/proto/im.go
+++ b/proto/im.go
@@ -24,6 +24,7 @@ type WSMessageReq struct {
 	Msg       string `json:"msg"`        //消息内容,只进行转发，不做处理
 	SessionID int    `json:"session_id"` //应用层会话id
 	ToID      int    `json:"to_id"`      //接收者id
+	ModelID   int    `json:"model_id"`   //模型id
 }
 
 type ModelParam struct {
diff --git a/service/modelService.go b/service/modelService.go
index e83f23b..6b8df79 100644
--- a/service/modelService.go
+++ b/service/modelService.go
@@ -174,3 +174,24 @@ func FindFuncModelListByFunction(function string) ([]dao.Model, error) {
 	}
 	return models, nil
 }
+
+func FindFuncModelListByFunctionV2(function string) ([]dao.Model, []dao.FunctionModel, error) {
+	funcModels := dao.FindFunctionModelByFunction(function)
+
+	var functionModelIDs []proto.FunctionModelIDs
+	err := json.Unmarshal([]byte(funcModels[0].ModelIDS), &functionModelIDs)
+	if err != nil {
+		log.Println("FindFuncModelListByFunction json unmarshal error:", err)
+		return nil, funcModels, err
+	}
+	modelIDs := map[int]bool{}
+	for _, v := range functionModelIDs {
+		modelIDs[v.ID] = true
+	}
+	var models []dao.Model
+	for k := range modelIDs {
+		models_ := dao.FindModelByIDV2(k)
+		models = append(models, models_...)
+	}
+	return models, funcModels, nil
+}