diff --git a/src/main/java/com/rj/controller/LbDailyUserTradeReportController.java b/src/main/java/com/rj/controller/LbDailyUserTradeReportController.java
index e22b494..5603222 100644
--- a/src/main/java/com/rj/controller/LbDailyUserTradeReportController.java
+++ b/src/main/java/com/rj/controller/LbDailyUserTradeReportController.java
@@ -336,6 +336,81 @@ public class LbDailyUserTradeReportController {
         }
     }
 
+    @GetMapping("/list/yestoday-buy-positive-and-daily-sell-zero")
+    @Operation(summary = "按日期范围查询昨日买入大于0且当日卖出为0的报表", description = "根据开始日期、结束日期和租户ID查询 reportDate 范围内 yestodayBuyAmt > 0 且 dailySellAmt = 0 的记录")
+    public ResponseEntity<Map<String, Object>> listByDateRangeWithBuyPositiveAndSellZero(
+            @Parameter(description = "开始日期，格式：yyyy-MM-dd", required = true)
+            @RequestParam String startDate,
+            @Parameter(description = "结束日期，格式：yyyy-MM-dd", required = true)
+            @RequestParam String endDate,
+            @Parameter(description = "租户ID", required = true)
+            @RequestParam String tenantId) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            if (tenantId == null || tenantId.trim().isEmpty()) {
+                result.put("success", false);
+                result.put("message", "tenantId不能为空");
+                return ResponseEntity.badRequest().body(result);
+            }
+            if (startDate == null || startDate.trim().isEmpty()) {
+                result.put("success", false);
+                result.put("message", "startDate不能为空");
+                return ResponseEntity.badRequest().body(result);
+            }
+            if (endDate == null || endDate.trim().isEmpty()) {
+                result.put("success", false);
+                result.put("message", "endDate不能为空");
+                return ResponseEntity.badRequest().body(result);
+            }
+
+            LocalDate parsedStartDate;
+            LocalDate parsedEndDate;
+            try {
+                parsedStartDate = LocalDate.parse(startDate.trim());
+            } catch (Exception e) {
+                result.put("success", false);
+                result.put("message", "startDate格式错误，请使用 yyyy-MM-dd");
+                return ResponseEntity.badRequest().body(result);
+            }
+            try {
+                parsedEndDate = LocalDate.parse(endDate.trim());
+            } catch (Exception e) {
+                result.put("success", false);
+                result.put("message", "endDate格式错误，请使用 yyyy-MM-dd");
+                return ResponseEntity.badRequest().body(result);
+            }
+
+            if (parsedEndDate.isBefore(parsedStartDate)) {
+                result.put("success", false);
+                result.put("message", "endDate不能早于startDate");
+                return ResponseEntity.badRequest().body(result);
+            }
+
+            LocalDateTime start = parsedStartDate.atStartOfDay();
+            LocalDateTime end = parsedEndDate.atTime(23, 59, 59);
+
+            LambdaQueryWrapper<LbDailyUserTradeReport> queryWrapper = new LambdaQueryWrapper<>();
+            queryWrapper.eq(LbDailyUserTradeReport::getTenantId, tenantId.trim())
+                    .ge(LbDailyUserTradeReport::getReportDate, start)
+                    .le(LbDailyUserTradeReport::getReportDate, end)
+                    .gt(LbDailyUserTradeReport::getYestodayBuyAmt, BigDecimal.ZERO)
+                    .eq(LbDailyUserTradeReport::getDailySellAmt, BigDecimal.ZERO)
+                    .orderByDesc(LbDailyUserTradeReport::getReportDate)
+                    .orderByDesc(LbDailyUserTradeReport::getCreatedAt);
+
+            List<LbDailyUserTradeReport> rows = lbDailyUserTradeReportService.list(queryWrapper);
+            result.put("success", true);
+            result.put("message", "查询成功");
+            result.put("data", rows);
+            result.put("total", rows.size());
+            return ResponseEntity.ok(result);
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("message", "查询异常：" + e.getMessage());
+            return ResponseEntity.internalServerError().body(result);
+        }
+    }
+
     @PostMapping("/calculate-report-sum/by-date-and-tenant")
     @Operation(summary = "按日期和租户汇总报表", description = "根据报表日期和租户ID汇总报表字段并新增一条 report_sum 记录")
     public ResponseEntity<Map<String, Object>> calculateReportSumByDateAndTenant(
diff --git a/src/main/java/com/rj/service/impl/LbDailyUserTradeServiceImpl.java b/src/main/java/com/rj/service/impl/LbDailyUserTradeServiceImpl.java
index 0d5161f..6716828 100644
--- a/src/main/java/com/rj/service/impl/LbDailyUserTradeServiceImpl.java
+++ b/src/main/java/com/rj/service/impl/LbDailyUserTradeServiceImpl.java
@@ -414,10 +414,7 @@ public class LbDailyUserTradeServiceImpl extends ServiceImpl<LbDailyUserTradeMap
             }
         }
         if (userId.isEmpty()) {
-            userId = nickname;
-        }
-        if (userId.isEmpty()) {
-            userId = "AUTO_" + UUID.randomUUID().toString().replace("-", "");
+            userId = "AUTO_USERID_" + UUID.randomUUID().toString().replace("-", "");
         }
 
         LbDailyUserTrade trade = new LbDailyUserTrade();