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
+	Mode         int
-	ChannelType     int
+	ChannelType  int
-	ChannelId       int
+	ChannelId    int
-	TokenId         int
+	TokenId      int
-	TokenName       string
+	TokenName    string
-	UserId          int
+	UserId       int
-	Group           string
+	Group        string
-	ModelMapping    map[string]string
+	ModelMapping map[string]string
-	BaseURL         string
+	BaseURL      string
-	APIKey          string
+	APIKey       string
-	APIType         int
+	APIType      int
-	Config          model.ChannelConfig
+	Config       model.ChannelConfig
-	IsStream        bool
+	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