diff --git a/pages/newDataAnalysis/energySavingAnalysis.html b/pages/newDataAnalysis/energySavingAnalysis.html
index 3778659..2429ab6 100644
--- a/pages/newDataAnalysis/energySavingAnalysis.html
+++ b/pages/newDataAnalysis/energySavingAnalysis.html
@@ -84,6 +84,9 @@
         .layui-layer-title {
             border-bottom: 1px solid #008781;
         }
+        .layui-laydate-preview{
+            color: #FFFFFF !important;
+        }
 
         #alarm-container {
             overflow-x: auto; /* 或 overflow-y: auto，根据需要 */
@@ -181,7 +184,7 @@
         table = layui.table;
         form = layui.form;
         laydate = layui.laydate;
-        let range = getDateRangeOneMonth();
+        let range = getDateRangeOneWeek();
 
         laydate.render({
             elem: '#ID-laydate-range',
@@ -190,11 +193,23 @@
             value: range.startDate + ' - ' + range.endDate,
             done: function (value) {
                 // value 是选择的字符串，比如 '2025-06-23 - 2025-07-23'
-                console.log('选择的日期范围:', value);
-                const [startDate, endDate] = value.split(" - ");
+                const [startDateStr, endDateStr] = value.split(" - ");
+                const startDate = new Date(startDateStr);
+                const endDate = new Date(endDateStr);
+
+                // 计算两个日期相差的天数
+                const diffDays = (endDate - startDate) / (1000 * 60 * 60 * 24);
+
+                if (diffDays > 7) {
+                    layer.msg('起止时间不能超过7天', {icon: 0});
+                    // 重置日期为上一次合法范围（或你预设的默认值）
+                    this.elem.val(range.startDate + ' - ' + range.endDate);
+                    return;
+                }
+
                 let data = {
-                    "startDate": startDate,
-                    "endDate": endDate,
+                    "startDate": startDateStr,
+                    "endDate": endDateStr,
                     "proId": parent.parent.$('#bidPro').val()
                 }
                 selectEnergyStatsByDateRange(data)
@@ -217,13 +232,12 @@
     });
 
     // 获取今天和一个月前日期，格式 yyyy-MM-dd
-    function getDateRangeOneMonth() {
+    function getDateRangeOneWeek() {
         let today = new Date();
-        let year = today.getFullYear();
-        let month = today.getMonth();
-        let day = today.getDate();
 
-        let oneMonthAgo = new Date(year, month - 1, day);
+        // 复制一个日期，减去7天
+        let oneWeekAgo = new Date(today);
+        oneWeekAgo.setDate(today.getDate() - 7);
 
         function formatDate(d) {
             let m = d.getMonth() + 1;
@@ -232,11 +246,12 @@
         }
 
         return {
-            startDate: formatDate(oneMonthAgo),
+            startDate: formatDate(oneWeekAgo),
             endDate: formatDate(today)
         };
     }
 
+
     /* 加载数据分析应用 */
     function selectEnergyStatsByDateRange(data) {
         const url = commonUrl + 'screen/largeScreen/deviceEnergyAnalysis/selectEnergyStatsByDateRange';
@@ -421,10 +436,12 @@
             },
             yAxis: [{
                 type: 'value',
-                name: '能源消耗量(kWh)'
+                name: '能源消耗量(kWh)',
+
             }, {
                 type: 'value',
                 name: '节能减排量(kgCO₂)',
+
                 splitLine: {
                     show: false
                 }