diff --git a/apps/worker/worker_app/tasks/vision/assembler.py b/apps/worker/worker_app/tasks/vision/assembler.py
index 79be272e9..b45a4d60e 100644
--- a/apps/worker/worker_app/tasks/vision/assembler.py
+++ b/apps/worker/worker_app/tasks/vision/assembler.py
@@ -21,8 +21,6 @@ def _join_parts(*parts: str | None) -> str:
 
 
 _AGE_PREFIX = {
-    "儿童": "小女孩" if None else "儿童",
-    "青少年": "少女" if None else "少年",
     "青年": "年轻",
     "中年": "中年",
     "老年": "老年",
@@ -155,7 +153,8 @@ def _build_portrait_prompt(fj: dict[str, Any]) -> str:
     if detail_parts:
         pieces.append("，".join(detail_parts))
     if style_parts:
-        pieces.append("，".join(style_parts) + "风格")
+        # 风格词之间不用逗号，用空格紧凑
+        pieces.append("".join(style_parts) + "风格")
     else:
         pieces.append("人像写真")