diff --git a/third_party/dynamics/dynamics.go b/third_party/dynamics/dynamics.go
index 09cf4b9..ff8d31f 100644
--- a/third_party/dynamics/dynamics.go
+++ b/third_party/dynamics/dynamics.go
@@ -205,7 +205,7 @@ func (d *dynamics) TrainOperationConfig(req *message.TrainOperationConfig) error
 		return nil
 	}
 	data, _ := json.Marshal(req)
-	url := d.buildUrl("/api/config")
+	url := d.buildUrl("/api/config/")
 	resp, err := d.httpClient.Post(url, "application/json", bytes.NewBuffer(data))
 	if err != nil {
 		return fmt.Errorf("动力学移除列车请求异常: %v", err)