diff --git a/middleware/kling_adapter.go b/middleware/kling_adapter.go
index 5e6d1fbb..20973c9f 100644
--- a/middleware/kling_adapter.go
+++ b/middleware/kling_adapter.go
@@ -18,7 +18,7 @@ func KlingRequestConvert() func(c *gin.Context) {
 			return
 		}
 
-		// 支持 model_name 和 model 两个字段
+		// Support both model_name and model fields
 		model, _ := originalReq["model_name"].(string)
 		if model == "" {
 			model, _ = originalReq["model"].(string)
diff --git a/relay/channel/task/kling/adaptor.go b/relay/channel/task/kling/adaptor.go
index 4ebb485f..b7b9a5ff 100644
--- a/relay/channel/task/kling/adaptor.go
+++ b/relay/channel/task/kling/adaptor.go
@@ -44,6 +44,7 @@ type requestPayload struct {
 	Duration    string  `json:"duration,omitempty"`
 	AspectRatio string  `json:"aspect_ratio,omitempty"`
 	ModelName   string  `json:"model_name,omitempty"`
+	Model       string  `json:"model,omitempty"` // Compatible with upstreams that only recognize "model"
 	CfgScale    float64 `json:"cfg_scale,omitempty"`
 }
 
@@ -227,6 +228,7 @@ func (a *TaskAdaptor) convertToRequestPayload(req *SubmitReq) (*requestPayload,
 		Duration:    fmt.Sprintf("%d", defaultInt(req.Duration, 5)),
 		AspectRatio: a.getAspectRatio(req.Size),
 		ModelName:   req.Model,
+		Model:       req.Model, // Keep consistent with model_name, double writing improves compatibility
 		CfgScale:    0.5,
 	}
 	if r.ModelName == "" {