diff --git a/lib/api/sum_data_api.py b/lib/api/sum_data_api.py
index 7d00cad..1947794 100644
--- a/lib/api/sum_data_api.py
+++ b/lib/api/sum_data_api.py
@@ -22,9 +22,11 @@ def collect_sum_data():
     try:
         data = request.get_json(silent=True) or {}
         history_id = data.get('history_id')
-        log_info(f'[求和数据API] 采集求和数据，历史记录ID: {history_id or "全部"}', 'api')
+        start_date = data.get('start_date')
+        end_date = data.get('end_date')
+        log_info(f'[求和数据API] 采集求和数据，历史记录ID: {history_id or "全部"}，日期范围: {start_date or "开始"} ~ {end_date or "结束"}', 'api')
         
-        result = collect_sum_data_from_history(history_id)
+        result = collect_sum_data_from_history(history_id, start_date, end_date)
         if result['success']:
             log_info(f'[求和数据API] 采集成功: {result["message"]}', 'api')
             return jsonify(result)
diff --git a/lib/sum_data_collector.py b/lib/sum_data_collector.py
index 5d6c8b4..d75fc28 100644
--- a/lib/sum_data_collector.py
+++ b/lib/sum_data_collector.py
@@ -9,13 +9,15 @@ from lib.field_mapping import get_field_display_name
 from lib.logger import log_info, log_error, log_warning
 
 
-def collect_sum_data_from_history(history_id=None):
+def collect_sum_data_from_history(history_id=None, start_date=None, end_date=None):
     """
     从历史记录中采集求和数据并写入求和数据表
     充电电量（charge_degree）是必须采集的，其他求和字段有就采集，没有就不采集
     
     Args:
         history_id: 历史记录ID（可选，不填则采集所有成功的历史记录）
+        start_date: 开始日期（可选，格式 YYYY-MM-DD）
+        end_date: 结束日期（可选，格式 YYYY-MM-DD）
     
     Returns:
         dict: 采集结果
@@ -28,8 +30,18 @@ def collect_sum_data_from_history(history_id=None):
                 (history_id,)
             )
         else:
+            where_clauses = ['status = 1']
+            params = []
+            if start_date:
+                where_clauses.append('report_date >= %s')
+                params.append(start_date)
+            if end_date:
+                where_clauses.append('report_date <= %s')
+                params.append(end_date)
+            where_sql = ' AND '.join(where_clauses)
             history_list = execute_query(
-                'SELECT * FROM t_daily_report_history WHERE status = 1 ORDER BY create_time DESC'
+                f'SELECT * FROM t_daily_report_history WHERE {where_sql} ORDER BY create_time DESC',
+                tuple(params)
             )
         
         if not history_list:
@@ -506,6 +518,10 @@ def update_sum_data(sum_data_id, data):
             update_fields.append('remark = %s')
             params.append(data['remark'])
         
+        if 'data_source' in data:
+            update_fields.append('data_source = %s')
+            params.append(data['data_source'])
+        
         if not update_fields:
             return {'success': False, 'message': '没有需要更新的字段'}
         
diff --git a/public/static/js/sum_data.js b/public/static/js/sum_data.js
index ebde454..7648f29 100644
--- a/public/static/js/sum_data.js
+++ b/public/static/js/sum_data.js
@@ -33,9 +33,8 @@ function renderSumDataList(rawList) {
         }
     });
     
-    // 排序：峰平谷按顺序
-    const fieldOrder = ['sharp_electricity', 'peak_electricity', 'flat_electricity', 'valley_electricity',
-                        'peak_degree', 'peak_time_degree', 'normal_time_degree', 'valley_time_degree'];
+    // 排序：尖峰平谷按顺序
+    const fieldOrder = ['sharp_electricity', 'peak_electricity', 'flat_electricity', 'valley_electricity'];
     sumDataDynamicFields = Object.keys(fieldMap).sort((a, b) => {
         const idxA = fieldOrder.indexOf(a);
         const idxB = fieldOrder.indexOf(b);
@@ -231,7 +230,15 @@ function toggleSelectAllSumData() {
 
 // 从历史记录采集
 async function collectSumDataFromHistory() {
-    if (!confirm('确定要从所有成功的历史记录中重新采集求和数据吗？\n（会先清除旧的自动采集数据）')) return;
+    const startDate = document.getElementById('sum-data-start-date').value;
+    const endDate = document.getElementById('sum-data-end-date').value;
+    
+    if (!startDate || !endDate) {
+        alert('请先选择日期范围');
+        return;
+    }
+    
+    if (!confirm(`确定要从 ${startDate} 到 ${endDate} 的历史记录中采集求和数据吗？\n（会先清除该日期范围内旧的自动采集数据）`)) return;
     
     const resultDiv = document.getElementById('sum-data-list');
     resultDiv.innerHTML = '<tr><td colspan="12" class="empty">正在采集中，请稍候...</td></tr>';
@@ -240,7 +247,10 @@ async function collectSumDataFromHistory() {
         const response = await fetch('/api/sum-data/collect', {
             method: 'POST',
             headers: { 'Content-Type': 'application/json' },
-            body: JSON.stringify({})
+            body: JSON.stringify({
+                start_date: startDate,
+                end_date: endDate
+            })
         });
         const result = await response.json();
         if (result.success) {
@@ -411,7 +421,8 @@ async function saveSumData() {
                     body: JSON.stringify({
                         sum_value: fieldValue,
                         total_orders: totalOrders,
-                        remark: remark
+                        remark: remark,
+                        data_source: 'manual'
                     })
                 });
                 const result = await response.json();
@@ -452,28 +463,28 @@ async function saveSumData() {
         }
         if (peakDegree) {
             fieldsData.push({
-                sum_field_key: 'peak_degree',
+                sum_field_key: 'sharp_electricity',
                 sum_field_name: '尖时电量(kWh)',
                 sum_value: peakDegree
             });
         }
         if (peakTime) {
             fieldsData.push({
-                sum_field_key: 'peak_time_degree',
+                sum_field_key: 'peak_electricity',
                 sum_field_name: '峰时电量(kWh)',
                 sum_value: peakTime
             });
         }
         if (normalTime) {
             fieldsData.push({
-                sum_field_key: 'normal_time_degree',
+                sum_field_key: 'flat_electricity',
                 sum_field_name: '平时电量(kWh)',
                 sum_value: normalTime
             });
         }
         if (valleyTime) {
             fieldsData.push({
-                sum_field_key: 'valley_time_degree',
+                sum_field_key: 'valley_electricity',
                 sum_field_name: '谷时电量(kWh)',
                 sum_value: valleyTime
             });