diff --git a/relay/adaptor/doubao/main.go b/relay/adaptor/doubao/main.go
index dd43d06c53..669a675155 100644
--- a/relay/adaptor/doubao/main.go
+++ b/relay/adaptor/doubao/main.go
@@ -9,6 +9,9 @@ import (
 func GetRequestURL(meta *meta.Meta) (string, error) {
 	switch meta.Mode {
 	case relaymode.ChatCompletions:
+		if strings.HasPrefix(meta.ActualModelName, "bot") {
+			return fmt.Sprintf("%s/api/v3/bots/chat/completions", meta.BaseURL), nil
+		}
 		return fmt.Sprintf("%s/api/v3/chat/completions", meta.BaseURL), nil
 	case relaymode.Embeddings:
 		return fmt.Sprintf("%s/api/v3/embeddings", meta.BaseURL), nil
diff --git a/relay/adaptor/openai/main.go b/relay/adaptor/openai/main.go
index 970807384f..e8bdb8cf8d 100644
--- a/relay/adaptor/openai/main.go
+++ b/relay/adaptor/openai/main.go
@@ -34,7 +34,7 @@ func StreamHandler(c *gin.Context, resp *http.Response, relayMode int) (*model.E
 
 	doneRendered := false
 	for scanner.Scan() {
-		data := scanner.Text()
+		data := NormalizeDataLine(scanner.Text())
 		if len(data) < dataPrefixLength { // ignore blank line or wrong format
 			continue
 		}
diff --git a/relay/adaptor/openai/util.go b/relay/adaptor/openai/util.go
index 83beadbafc..0ee3896bad 100644
--- a/relay/adaptor/openai/util.go
+++ b/relay/adaptor/openai/util.go
@@ -21,3 +21,11 @@ func ErrorWrapper(err error, code string, statusCode int) *model.ErrorWithStatus
 		StatusCode: statusCode,
 	}
 }
+
+func NormalizeDataLine(data string) string {
+	if strings.HasPrefix(data, "data:") {
+		content := strings.TrimLeft(data[len("data:"):], " ")
+		return "data: " + content
+	}
+	return data
+}