diff --git a/src/main/java/com/ai/da/python/PythonService.java b/src/main/java/com/ai/da/python/PythonService.java
index 48353673..0056da65 100644
--- a/src/main/java/com/ai/da/python/PythonService.java
+++ b/src/main/java/com/ai/da/python/PythonService.java
@@ -3949,8 +3949,8 @@ public class PythonService {
 //                accessPythonPort,
 //                userHolder.getId(),
 //                category);
-        String brandIdParam = (brandId != null) ? "brandId=" + brandId : "";
-        String brandScaleParam = (brandScale != null) ? "&brandScale=" + String.format("%.2f", brandScale) : "";
+        String brandIdParam = (brandId != null) ? "" + brandId : "-1";
+        String brandScaleParam = (brandScale != null) ? String.format("%.2f", brandScale) : "0.00";
 
         String url = String.format("%s:%s/api/recommend/%d/%s/1/%s/%s",
                 "http://18.167.251.121",