diff --git a/relay/channel/task/vidu/adaptor.go b/relay/channel/task/vidu/adaptor.go
index a1140d1e..8974c614 100644
--- a/relay/channel/task/vidu/adaptor.go
+++ b/relay/channel/task/vidu/adaptor.go
@@ -80,8 +80,7 @@ func (a *TaskAdaptor) Init(info *relaycommon.RelayInfo) {
 }
 
 func (a *TaskAdaptor) ValidateRequestAndSetAction(c *gin.Context, info *relaycommon.RelayInfo) *dto.TaskError {
-	// Use the unified validation method for TaskSubmitReq with image-based action determination
-	return relaycommon.ValidateTaskRequestWithImageBinding(c, info)
+	return relaycommon.ValidateBasicTaskRequest(c, info, constant.TaskActionGenerate)
 }
 
 func (a *TaskAdaptor) BuildRequestBody(c *gin.Context, _ *relaycommon.RelayInfo) (io.Reader, error) {
@@ -187,14 +186,9 @@ func (a *TaskAdaptor) GetChannelName() string {
 // ============================
 
 func (a *TaskAdaptor) convertToRequestPayload(req *relaycommon.TaskSubmitReq) (*requestPayload, error) {
-	var images []string
-	if req.Image != "" {
-		images = []string{req.Image}
-	}
-
 	r := requestPayload{
 		Model:             defaultString(req.Model, "viduq1"),
-		Images:            images,
+		Images:            req.Images,
 		Prompt:            req.Prompt,
 		Duration:          defaultInt(req.Duration, 5),
 		Resolution:        defaultString(req.Size, "1080p"),
diff --git a/relay/common/relay_utils.go b/relay/common/relay_utils.go
index cf6d08dd..96d1370b 100644
--- a/relay/common/relay_utils.go
+++ b/relay/common/relay_utils.go
@@ -79,34 +79,10 @@ func ValidateBasicTaskRequest(c *gin.Context, info *RelayInfo, action string) *d
 		req.Images = []string{req.Image}
 	}
 
-	storeTaskRequest(c, info, action, req)
-	return nil
-}
-
-func ValidateTaskRequestWithImage(c *gin.Context, info *RelayInfo, requestObj interface{}) *dto.TaskError {
-	hasPrompt, ok := requestObj.(HasPrompt)
-	if !ok {
-		return createTaskError(fmt.Errorf("request must have prompt"), "invalid_request", http.StatusBadRequest, true)
-	}
-
-	if taskErr := validatePrompt(hasPrompt.GetPrompt()); taskErr != nil {
-		return taskErr
-	}
-
-	action := constant.TaskActionTextGenerate
-	if hasImage, ok := requestObj.(HasImage); ok && hasImage.HasImage() {
+	if req.HasImage() {
 		action = constant.TaskActionGenerate
 	}
 
-	storeTaskRequest(c, info, action, requestObj)
+	storeTaskRequest(c, info, action, req)
 	return nil
 }
-
-func ValidateTaskRequestWithImageBinding(c *gin.Context, info *RelayInfo) *dto.TaskError {
-	var req TaskSubmitReq
-	if err := c.ShouldBindJSON(&req); err != nil {
-		return createTaskError(err, "invalid_request_body", http.StatusBadRequest, false)
-	}
-
-	return ValidateTaskRequestWithImage(c, info, req)
-}