fix: update GetAdaptor function to use the actual model name

The GetAdaptor function in the Adaptor struct has been updated to use the actual model name instead of the origin model name. This change ensures that the correct adaptor is retrieved for processing the response.

relay/adaptor/vertexai/adaptor.go

@@ -38,7 +38,7 @@ func (a *Adaptor) ConvertRequest(c *gin.Context, relayMode int, request *model.G
 }
 
 func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, meta *meta.Meta) (usage *model.Usage, err *model.ErrorWithStatusCode) {
-	adaptor := GetAdaptor(meta.OriginModelName)
+	adaptor := GetAdaptor(meta.ActualModelName)
 	if adaptor == nil {
 		return nil, &relaymodel.ErrorWithStatusCode{
 			StatusCode: http.StatusInternalServerError,

relay/meta/relay_meta.go

@@ -11,20 +11,22 @@ import (
 )
 
 type Meta struct {
-	Mode            int
-	ChannelType     int
-	ChannelId       int
-	TokenId         int
-	TokenName       string
-	UserId          int
-	Group           string
-	ModelMapping    map[string]string
-	BaseURL         string
-	APIKey          string
-	APIType         int
-	Config          model.ChannelConfig
-	IsStream        bool
+	Mode         int
+	ChannelType  int
+	ChannelId    int
+	TokenId      int
+	TokenName    string
+	UserId       int
+	Group        string
+	ModelMapping map[string]string
+	BaseURL      string
+	APIKey       string
+	APIType      int
+	Config       model.ChannelConfig
+	IsStream     bool
+	// OriginModelName is the model name from the raw user request
 	OriginModelName string
+	// ActualModelName is the model name after mapping
 	ActualModelName string
 	RequestURLPath  string
 	PromptTokens    int // only for DoResponse