From 2840aca69b20285db6c3235e3d5764314ae90e6c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=97=A0=E9=97=BB=E9=A3=8E?= <wuwenfengmi@gmail.com>
Date: Tue, 16 Jun 2026 20:56:50 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E7=AD=BE=E5=88=B0=E6=97=A5?=
 =?UTF-8?q?=E5=8E=86=E4=BA=BA=E6=95=B0=E6=98=BE=E7=A4=BA?=
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Co-Authored-By: Claude <noreply@anthropic.com>
---
 db_test.go                                    | 30 +++++++++++++++++++
 .../src/components/SignedPage.vue             |  3 +-
 meshmap_frontend/src/style.css                |  7 +++++
 sign_store.go                                 |  4 +--
 4 files changed, 41 insertions(+), 3 deletions(-)

diff --git a/db_test.go b/db_test.go
index 49e24de..6adc8a2 100644
--- a/db_test.go
+++ b/db_test.go
@@ -7,6 +7,7 @@ import (
 	"path/filepath"
 	"strings"
 	"testing"
+	"time"
 
 	"gorm.io/gorm"
 )
@@ -34,6 +35,35 @@ func TestOpenStoreCreatesTables(t *testing.T) {
 	}
 }
 
+func TestCountSignsByDayFormatsDateString(t *testing.T) {
+	st := openTestStore(t)
+	defer st.Close()
+
+	if _, err := st.CreateSign("!11111111", nil, nil, "first", time.Date(2026, 6, 15, 10, 0, 0, 0, time.UTC)); err != nil {
+		t.Fatalf("CreateSign() error = %v", err)
+	}
+	if _, err := st.CreateSign("!22222222", nil, nil, "second", time.Date(2026, 6, 15, 11, 0, 0, 0, time.UTC)); err != nil {
+		t.Fatalf("CreateSign() error = %v", err)
+	}
+	if _, err := st.CreateSign("!33333333", nil, nil, "third", time.Date(2026, 6, 16, 9, 0, 0, 0, time.UTC)); err != nil {
+		t.Fatalf("CreateSign() error = %v", err)
+	}
+
+	rows, err := st.CountSignsByDay(listOptions{})
+	if err != nil {
+		t.Fatalf("CountSignsByDay() error = %v", err)
+	}
+	if len(rows) != 2 {
+		t.Fatalf("CountSignsByDay() length = %d, want 2", len(rows))
+	}
+	if rows[0].Date != "2026-06-16" || rows[0].Count != 1 {
+		t.Fatalf("first day count = %#v, want 2026-06-16 count 1", rows[0])
+	}
+	if rows[1].Date != "2026-06-15" || rows[1].Count != 2 {
+		t.Fatalf("second day count = %#v, want 2026-06-15 count 2", rows[1])
+	}
+}
+
 func TestUpsertNodeInfoInsertsAndUpdatesSameNode(t *testing.T) {
 	st := openTestStore(t)
 	defer st.Close()
diff --git a/meshmap_frontend/src/components/SignedPage.vue b/meshmap_frontend/src/components/SignedPage.vue
index a2e2baa..7d1cf70 100644
--- a/meshmap_frontend/src/components/SignedPage.vue
+++ b/meshmap_frontend/src/components/SignedPage.vue
@@ -14,6 +14,7 @@ const calendarMonth = ref(new Date())
 const dailyCounts = ref<Record<string, number>>({})
 const selectedDate = ref('')
 const weekdays = ['日', '一', '二', '三', '四', '五', '六']
+const todayDate = formatDateKey(new Date())
 
 const calendarDays = computed(() => monthDays(calendarMonth.value))
 
@@ -150,7 +151,7 @@ onMounted(() => {
             v-else
             type="button"
             class="signed-calendar-day"
-            :class="{ selected: selectedDate === day, 'has-signs': dailyCounts[day] }"
+            :class="{ selected: selectedDate === day, today: todayDate === day, 'has-signs': dailyCounts[day] }"
             @click="selectDate(day)"
           >
             <span class="signed-calendar-date">{{ Number(day.slice(8, 10)) }}</span>
diff --git a/meshmap_frontend/src/style.css b/meshmap_frontend/src/style.css
index 0fe83de..84a9ae6 100644
--- a/meshmap_frontend/src/style.css
+++ b/meshmap_frontend/src/style.css
@@ -1291,6 +1291,13 @@ button.signed-calendar-day:not(:disabled):hover {
   background: var(--color-primary-soft);
 }
 
+.signed-calendar-day.today {
+  border-color: var(--color-warning);
+  color: color-mix(in srgb, var(--color-warning) 72%, var(--color-heading));
+  background: var(--color-warning-soft);
+  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--color-warning) 36%, transparent);
+}
+
 .signed-calendar-day.selected {
   border-color: var(--color-primary);
   color: #fff;
diff --git a/sign_store.go b/sign_store.go
index 0e81753..e5ebe0b 100644
--- a/sign_store.go
+++ b/sign_store.go
@@ -32,9 +32,9 @@ func (s *store) CountSigns(opts listOptions) (int64, error) {
 
 func (s *store) CountSignsByDay(opts listOptions) ([]signDayCount, error) {
 	var rows []signDayCount
-	dateExpr := "date(sign_time)"
+	dateExpr := "strftime('%Y-%m-%d', sign_time)"
 	if s.driver == databaseDriverMySQL {
-		dateExpr = "DATE(sign_time)"
+		dateExpr = "DATE_FORMAT(sign_time, '%Y-%m-%d')"
 	}
 	q := applySignFilters(s.db.Model(&signRecord{}), opts).
 		Select(dateExpr + " AS sign_date, COUNT(*) AS count").