diff --git a/static/js/weather-chart.js b/static/js/weather-chart.js
index 23abaad..0521079 100644
--- a/static/js/weather-chart.js
+++ b/static/js/weather-chart.js
@@ -123,9 +123,9 @@ const WeatherChart = {
 		if (forecastData.length > 0) {
 			// 雨量 仅显示 -1h/-2h/-3h
 			datasets.push(
-				{ label: '雨量 (mm) - 预报 (-1h)', data: forecastRainfallsH1, type: 'bar', backgroundColor: 'rgba(255, 99, 71, 0.55)', borderColor: 'rgb(255, 99, 71)', yAxisID: 'y-rainfall' },
-				{ label: '雨量 (mm) - 预报 (-2h)', data: forecastRainfallsH2, type: 'bar', backgroundColor: 'rgba(255, 205, 86, 0.55)', borderColor: 'rgb(255, 205, 86)', yAxisID: 'y-rainfall' },
-				{ label: '雨量 (mm) - 预报 (-3h)', data: forecastRainfallsH3, type: 'bar', backgroundColor: 'rgba(76, 175, 80, 0.55)', borderColor: 'rgb(76, 175, 80)', yAxisID: 'y-rainfall' }
+				{ label: '雨量 (mm) - 预报 (+1h)', data: forecastRainfallsH1, type: 'bar', backgroundColor: 'rgba(255, 99, 71, 0.55)', borderColor: 'rgb(255, 99, 71)', yAxisID: 'y-rainfall' },
+				{ label: '雨量 (mm) - 预报 (+2h)', data: forecastRainfallsH2, type: 'bar', backgroundColor: 'rgba(255, 205, 86, 0.55)', borderColor: 'rgb(255, 205, 86)', yAxisID: 'y-rainfall' },
+				{ label: '雨量 (mm) - 预报 (+3h)', data: forecastRainfallsH3, type: 'bar', backgroundColor: 'rgba(76, 175, 80, 0.55)', borderColor: 'rgb(76, 175, 80)', yAxisID: 'y-rainfall' }
 			);
 
 			// 温度 取最接近的预报（0h>1h>2h>3h）
diff --git a/static/js/weather-table.js b/static/js/weather-table.js
index cb48037..036d5d2 100644
--- a/static/js/weather-table.js
+++ b/static/js/weather-table.js
@@ -77,7 +77,7 @@ const WeatherTable = {
 
             const issuedBadge = (() => {
                 if (item.source !== '预报') return '';
-                const lead = (typeof item.lead_hours === 'number' && item.lead_hours >= 0) ? ` -${item.lead_hours}h` : '';
+                const lead = (typeof item.lead_hours === 'number' && item.lead_hours >= 0) ? ` +${item.lead_hours}h` : '';
                 const issued = item.issued_at ? new Date(item.issued_at.replace(' ', 'T')) : null;
                 const issuedStr = issued ? `${String(issued.getHours()).padStart(2,'0')}:${String(issued.getMinutes()).padStart(2,'0')}` : '-';
                 return `<span style="font-size: 12px; color: #6b7280;">（发布: ${issuedStr}${lead}）</span>`;