diff --git a/proto/status.go b/proto/status.go
index 2567129..8f7a148 100644
--- a/proto/status.go
+++ b/proto/status.go
@@ -117,3 +117,10 @@ const (
 	SparkRoleAssistant = "assistant"
 	SparRoleSystem     = "system"
 )
+
+// 支持模型类型
+const (
+	ModelTypeSpark  = "spark"
+	ModelTypeDouBao = "doubao"
+	ModelTypeOllama = "ollama"
+)
diff --git a/service/doubao.go b/service/doubao.go
index 68599b0..e986e54 100644
--- a/service/doubao.go
+++ b/service/doubao.go
@@ -81,7 +81,7 @@ func doubaoToGeneralMassageAndSendMsgQueue(data *model.ChatCompletionStreamRespo
 	var wsMsg proto.WSMessage
 	var apiMsg api.GenerateResponse
 
-	apiMsg.Model = "doubao"
+	apiMsg.Model = proto.ModelTypeDouBao
 	choices := data.Choices[0]
 	apiMsg.Response = choices.Delta.Content
 	if choices.FinishReason == proto.FinishReasonStop {
@@ -90,13 +90,13 @@ func doubaoToGeneralMassageAndSendMsgQueue(data *model.ChatCompletionStreamRespo
 		apiMsg.Done = false
 	}
 	//消息队列部分
-	aiMsg.Type = "doubao"
+	aiMsg.Type = proto.ModelTypeDouBao
 	aiMsg.Msg = apiMsg
 	//ws发送消息部分
 	wsMsg.Msg = aiMsg
 	wsMsg.SessionID = SessionID
 	wsMsg.ToID = UserID
-	wsMsg.Type = "doubao"
+	wsMsg.Type = proto.ModelTypeDouBao
 
 	//发送消息
 	wsMsgStr, _ := json.Marshal(wsMsg)
diff --git a/service/imService.go b/service/imService.go
index 2bd513a..051dc38 100644
--- a/service/imService.go
+++ b/service/imService.go
@@ -99,11 +99,11 @@ func WSReceiveMessageService(userID, sessionID int, channel string, msg proto.WS
 	var resErr error
 	var resID uint
 	//处理消息
-	if model.Type == "ollama" {
+	if model.Type == proto.ModelTypeOllama {
 		resErr, resID = ReceiveOllamaSession(userID, sessionID, channel, msg, modelParam, &model)
-	} else if model.Type == "spark" {
+	} else if model.Type == proto.ModelTypeSpark {
 		resErr, resID = ReceiveSparkSession(userID, sessionID, channel, msg, modelParam, &model)
-	} else if model.Type == "doubao" {
+	} else if model.Type == proto.ModelTypeDouBao {
 		doubao(modelParam, msg.Msg, channel, sessionID, userID, int(model.ID))
 	} else {
 		return errors.New("model not exist"), 0
@@ -136,7 +136,7 @@ func ReceiveOllamaSession(userID, sessionID int, channel string, msg proto.WSMes
 	var aiMsg proto.AIQueueMessage
 	var data proto.WSMessage
 	respFunc := func(resp api.GenerateResponse) error {
-		aiMsg.Type = "ollama"
+		aiMsg.Type = proto.ModelTypeOllama
 		aiMsg.Msg = resp
 		robotMsg += resp.Response
 		if resp.Done { //该消息完成
diff --git a/service/spark.go b/service/spark.go
index 33b606e..002b31f 100644
--- a/service/spark.go
+++ b/service/spark.go
@@ -182,7 +182,7 @@ func SparkToGeneralMassageAndSendMsgQueue(data *SparkResponse, channel string, S
 	var aiMsg proto.AIQueueMessage
 	var wsMsg proto.WSMessage
 	var apiMsg api.GenerateResponse
-	apiMsg.Model = "spark"
+	apiMsg.Model = proto.ModelTypeSpark
 	apiMsg.Response = data.Payload.Choices.Text[0].Content
 	if data.Header.Status == 2 {
 		apiMsg.Done = true
@@ -190,13 +190,13 @@ func SparkToGeneralMassageAndSendMsgQueue(data *SparkResponse, channel string, S
 		apiMsg.Done = false
 	}
 	//消息队列部分
-	aiMsg.Type = "spark"
+	aiMsg.Type = proto.ModelTypeSpark
 	aiMsg.Msg = apiMsg
 	//ws发送消息部分
 	wsMsg.Msg = aiMsg
 	wsMsg.SessionID = SessionID
 	wsMsg.ToID = UserID
-	wsMsg.Type = "spark"
+	wsMsg.Type = proto.ModelTypeSpark
 
 	//发送消息
 	wsMsgStr, _ := json.Marshal(wsMsg)