diff --git a/apps/worker/worker_app/tasks/viral_video.py b/apps/worker/worker_app/tasks/viral_video.py
index 58272d7eb..9e6c6f919 100644
--- a/apps/worker/worker_app/tasks/viral_video.py
+++ b/apps/worker/worker_app/tasks/viral_video.py
@@ -495,17 +495,23 @@ def _analyze_single_image(
                             ]
                             for _ckw in _cloth_kws:
                                 if _ckw in _ptxt:
-                                    # 提取含关键词的短语（关键词前后4字）
                                     _ci = _ptxt.find(_ckw)
-                                    _start = max(0, _ci - 6)
-                                    _end = min(len(_ptxt), _ci + len(_ckw) + 2)
+                                    # 向前找颜色/材质/款式形容词（白/黑/米/红/蓝/灰/棉/麻/长/短/厚/薄/长袖/短袖/翻领/圆领/V领/印花/条纹等）
+                                    _start = max(0, _ci - 8)
+                                    # 向后包含款式词（长袖/短袖/外套/套装/上衣等后续修饰）
+                                    _end = min(len(_ptxt), _ci + len(_ckw) + 4)
                                     _outfit_extract = _ptxt[_start:_end].strip(" ,，。.、")
-                                    # 清理掉品牌名/产品名词的干扰（只取服装描述部分）
+                                    # 仅清理明确的品牌/产品类前缀（不清理颜色/款式/尺寸形容词）
                                     _outfit_extract = re.sub(
-                                        r"^[\w一-龥]{0,2}(牌|品牌|的|款|女|男|新|装|大|小|长|短|厚|薄)",
+                                        r"^(\S{0,4}牌|\S{0,3}品牌|\S{0,3}款|产品|商品|的)", "", _outfit_extract
+                                    ).strip()
+                                    # 尾部清理：去掉残留的品牌字/型号字（如"标""ml""g""装"等单字杂字）
+                                    _outfit_extract = re.sub(
+                                        r"(标[0-9a-zA-Z]*|\d+\s*(?:ml|g|L|斤|件|个|瓶|盒|包|袋|装)|\s+\d+\s*)$",
                                         "",
                                         _outfit_extract,
-                                    )
+                                        flags=re.IGNORECASE,
+                                    ).strip()
                                     if len(_outfit_extract) >= 2:
                                         _outfit = _outfit_extract
                                         break