diff --git a/kg_lab_6.13/xml_to_json.py b/kg_lab_6.13/xml_to_json.py
index 3da238e..55f77e6 100644
--- a/kg_lab_6.13/xml_to_json.py
+++ b/kg_lab_6.13/xml_to_json.py
@@ -365,6 +365,18 @@ def parse_indicator_string_to_json(indicator_str: str, output_path: str = "outpu
         # 解析为 JSON 对象
         result = json.loads(indicator_str)
 
+        # 过滤
+        for item in result:
+            mapping = item.get("指标描述", {}).get("指标映射")
+            if isinstance(mapping, str):
+                if "【工程费用】" in mapping:
+                    cleaned = re.sub(r"@.*?\.", "", mapping)
+                    item["指标描述"]["指标映射"] = cleaned
+            elif isinstance(mapping, list):
+                first_elem = mapping[0]
+                if first_elem.startswith("(") and first_elem.endswith(")"):
+                    del mapping[0]
+
         # 保存为 JSON 文件
         with open(output_path, 'w', encoding='utf-8') as f:
             json.dump(result, f, ensure_ascii=False, indent=2)