diff --git a/src/main/java/com/ai/da/python/PythonService.java b/src/main/java/com/ai/da/python/PythonService.java
index e281a5b3..dbb005ff 100644
--- a/src/main/java/com/ai/da/python/PythonService.java
+++ b/src/main/java/com/ai/da/python/PythonService.java
@@ -3994,11 +3994,12 @@ public class PythonService {
 //        }
         //**********************end***********************************
         //临时补丁
-        if (category.split("_")[0].equals("male")&&style.toLowerCase().equals("lolita")){
-            style=null;
-        }
-        if (category.split("_")[0].equals("male")&&style.toLowerCase().equalsIgnoreCase("romantic")){
-            style=null;
+        if (category != null && style != null) {
+            String categoryPrefix = category.split("_")[0];
+            if ("male".equals(categoryPrefix) &&
+                    (style.equalsIgnoreCase("lolita") || style.equalsIgnoreCase("romantic"))) {
+                style = null;
+            }
         }
         AuthPrincipalVo userHolder = UserContext.getUserHolder();