traffic-audit-server/src/main/java/com/trafficaudit/reportexport/service/ReportExportService.java
@@ -44,6 +44,7 @@
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.openxml4j.util.ZipSecureFile;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.STCellType;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
@@ -3213,6 +3214,8 @@
        if (template == null) {
            throw new RuntimeException("未找到汇总表母版《" + year + "年" + month + "月道路运输量汇总表.xlsx》(docs/生成汇总大表)");
        }
        double savedZipRatio = ZipSecureFile.getMinInflateRatio();
        ZipSecureFile.setMinInflateRatio(0.0001); // 新版母版 styles.xml 由 openpyxl 高压缩(0.0099<0.01)触发 POI Zip-bomb 误报,读取后还原
        try (InputStream in = new FileInputStream(template);
             XSSFWorkbook wb = new XSSFWorkbook(in)) {
            File donor = resolveSummaryDonor(year, month);
@@ -3233,6 +3236,8 @@
            if (!wb.getCTWorkbook().isSetCalcPr()) wb.getCTWorkbook().addNewCalcPr();
            wb.getCTWorkbook().getCalcPr().setFullCalcOnLoad(true); // 还原/改写公式后打开即重算
            return toBytes(wb);
        } finally {
            ZipSecureFile.setMinInflateRatio(savedZipRatio);
        }
    }
@@ -3526,12 +3531,15 @@
            if (ds == null) continue;
            Sheet bs = wb.getSheet(ds.getSheetName());
            if (bs == null) continue;
            // 中口径排名页 A..H 陈旧左块已于 2026-09-09 拍板整块删除:该区域永不从备份母版回填,避免“生成又复活”
            boolean skipMidRankLeftBlock = "中口径排名".equals(ds.getSheetName());
            for (int r = ds.getFirstRowNum(); r <= ds.getLastRowNum(); r++) {
                Row dr = ds.getRow(r);
                if (dr == null) continue;
                Row br = bs.getRow(r);
                for (Cell dc : dr) {
                    if (dc == null) continue;
                    if (skipMidRankLeftBlock && dc.getColumnIndex() < 8) continue;
                    CellType t = dc.getCellType();
                    if (t == CellType.BLANK) continue;
                    String dtx = summaryCellText(dc);