diff --git a/src/main/java/com/ai/da/python/PythonService.java b/src/main/java/com/ai/da/python/PythonService.java
index c68a6b64..d3a9676d 100644
--- a/src/main/java/com/ai/da/python/PythonService.java
+++ b/src/main/java/com/ai/da/python/PythonService.java
@@ -3949,13 +3949,16 @@ public class PythonService {
 //                accessPythonPort,
 //                userHolder.getId(),
 //                category);
-        String url = String.format("%s:%s/api/recommend/%d/%s/1",
+        String brandIdParam = (brandId != null) ? "brandId=" + brandId : "";
+        String brandScaleParam = (brandScale != null) ? "&brandScale=" + String.format("%.2f", brandScale) : "";
+
+        String url = String.format("%s:%s/api/recommend/%d/%s/1?%s%s",
                 "http://18.167.251.121",
                 "9994",
                 userHolder.getId(),
                 category,
-                brandId,
-                brandScale);
+                brandIdParam,
+                brandScaleParam);
 
         log.info("Recommendation request URL: {}", url);