diff --git a/src/main/java/com/rj/controller/LbDailyUserTradeReportController.java b/src/main/java/com/rj/controller/LbDailyUserTradeReportController.java
index 7fb96e1..198dc8b 100644
--- a/src/main/java/com/rj/controller/LbDailyUserTradeReportController.java
+++ b/src/main/java/com/rj/controller/LbDailyUserTradeReportController.java
@@ -7,14 +7,25 @@ import com.rj.service.ILbDailyUserTradeReportService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.servlet.ServletOutputStream;
+import jakarta.servlet.http.HttpServletResponse;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpHeaders;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
+import org.apache.poi.ss.usermodel.Row;
+import org.apache.poi.ss.usermodel.Sheet;
+import org.apache.poi.ss.usermodel.Workbook;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
 
 import java.math.BigDecimal;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
+import java.util.List;
+import java.util.Comparator;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.UUID;
@@ -349,4 +360,101 @@ public class LbDailyUserTradeReportController {
             return ResponseEntity.internalServerError().body(result);
         }
     }
+
+    @GetMapping("/export/by-date-and-tenant")
+    @Operation(summary = "按日期和租户导出报表Excel", description = "导出 reportDate 指定日期、tenantId 指定租户的报表数据到 Excel")
+    public void exportByDateAndTenant(
+            @Parameter(description = "报表日期，格式：yyyy-MM-dd", required = true)
+            @RequestParam String reportDate,
+            @Parameter(description = "租户ID", required = true)
+            @RequestParam String tenantId,
+            HttpServletResponse response) {
+        try {
+            if (tenantId == null || tenantId.trim().isEmpty()) {
+                response.sendError(HttpServletResponse.SC_BAD_REQUEST, "tenantId不能为空");
+                return;
+            }
+            if (reportDate == null || reportDate.trim().isEmpty()) {
+                response.sendError(HttpServletResponse.SC_BAD_REQUEST, "reportDate不能为空");
+                return;
+            }
+
+            LocalDate parsedReportDate;
+            try {
+                parsedReportDate = LocalDate.parse(reportDate.trim());
+            } catch (Exception e) {
+                response.sendError(HttpServletResponse.SC_BAD_REQUEST, "报表日期格式错误，请使用 yyyy-MM-dd");
+                return;
+            }
+
+            LocalDateTime start = parsedReportDate.atStartOfDay();
+            LocalDateTime end = parsedReportDate.plusDays(1).atStartOfDay();
+
+            LambdaQueryWrapper<LbDailyUserTradeReport> queryWrapper = new LambdaQueryWrapper<>();
+            queryWrapper.eq(LbDailyUserTradeReport::getTenantId, tenantId.trim())
+                    .ge(LbDailyUserTradeReport::getReportDate, start)
+                    .lt(LbDailyUserTradeReport::getReportDate, end)
+                    .orderByDesc(LbDailyUserTradeReport::getCreatedAt);
+
+            List<LbDailyUserTradeReport> rows = lbDailyUserTradeReportService.list(queryWrapper);
+            rows.sort(Comparator.comparingInt(o -> "report_sum".equals(o.getDataType()) ? 1 : 0));
+
+            try (Workbook workbook = new XSSFWorkbook()) {
+                Sheet sheet = workbook.createSheet("report");
+
+                int r = 0;
+                Row header = sheet.createRow(r++);
+                header.createCell(0).setCellValue("昵称");
+                header.createCell(1).setCellValue(parsedReportDate.minusDays(1) + "买货");
+                header.createCell(2).setCellValue(parsedReportDate + "卖货");
+                header.createCell(3).setCellValue(parsedReportDate + "买货");
+                header.createCell(4).setCellValue("服务费");
+                header.createCell(5).setCellValue("差额");
+                header.createCell(6).setCellValue("应收应付");
+                header.createCell(7).setCellValue("抵扣金额");
+
+                for (LbDailyUserTradeReport item : rows) {
+                    Row row = sheet.createRow(r++);
+                    row.createCell(0).setCellValue(item.getNickname() == null ? "" : item.getNickname());
+                    row.createCell(1).setCellValue(asDouble(item.getYestodayBuyAmt()));
+                    row.createCell(2).setCellValue(asDouble(item.getDailySellAmt()));
+                    row.createCell(3).setCellValue(asDouble(item.getDailyBuyAmt()));
+                    row.createCell(4).setCellValue(asDouble(item.getServiceAmt()));
+                    row.createCell(5).setCellValue(asDouble(item.getDiffAmt()));
+                    row.createCell(6).setCellValue(asDouble(item.getActualReceiptsPayments()));
+                    row.createCell(7).setCellValue(asDouble(item.getDikouAmt()));
+                }
+
+                for (int i = 0; i <= 7; i++) {
+                    sheet.autoSizeColumn(i);
+                }
+
+                String filename = "lbDailyUserTradeReport_" + parsedReportDate + "_" + tenantId.trim() + ".xlsx";
+                String encoded = URLEncoder.encode(filename, StandardCharsets.UTF_8).replaceAll("\\+", "%20");
+
+                response.setCharacterEncoding(StandardCharsets.UTF_8.name());
+                response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
+                response.setHeader(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename*=UTF-8''" + encoded);
+
+                try (ServletOutputStream os = response.getOutputStream()) {
+                    workbook.write(os);
+                    os.flush();
+                }
+            }
+        } catch (Exception e) {
+            try {
+                response.reset();
+                response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+                response.setCharacterEncoding(StandardCharsets.UTF_8.name());
+                response.setContentType("text/plain;charset=UTF-8");
+                response.getWriter().write("导出异常：" + e.getMessage());
+            } catch (Exception ignored) {
+                // ignore
+            }
+        }
+    }
+
+    private static double asDouble(BigDecimal value) {
+        return value == null ? 0d : value.doubleValue();
+    }
 }