From d2768d5264001720c93f5b5493eb83dd26d29fa2 Mon Sep 17 00:00:00 2001
From: Your Name <your.email@example.com>
Date: Tue, 13 Jan 2026 19:48:33 +0800
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---
 .../src/main/java/com/designhub/service/AnalyticsService.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/backend/src/main/java/com/designhub/service/AnalyticsService.java b/backend/src/main/java/com/designhub/service/AnalyticsService.java
index ed7115a..7a1aea1 100644
--- a/backend/src/main/java/com/designhub/service/AnalyticsService.java
+++ b/backend/src/main/java/com/designhub/service/AnalyticsService.java
@@ -436,7 +436,9 @@ public class AnalyticsService {
                 return now.minusWeeks(1);
             case "month":
                 // 近一月：从当月1号开始计算
-                return LocalDateTime.of(LocalDate.now().withDayOfMonth(1), LocalTime.MIN);
+                LocalDateTime monthStart = LocalDateTime.of(LocalDate.now().withDayOfMonth(1), LocalTime.MIN);
+                log.info("计算近一月范围: dateRange={}, 从当月1号开始: {}", dateRange, monthStart);
+                return monthStart;
             case "quarter":
                 return now.minusMonths(3);
             case "year":