diff --git a/lib/api/config_api.py b/lib/api/config_api.py
index 448f99c..d90b364 100644
--- a/lib/api/config_api.py
+++ b/lib/api/config_api.py
@@ -60,6 +60,13 @@ def create_config():
         show_custom_service_fee = 1 if data.get('show_custom_service_fee') else 0
         show_total_amount = 1 if data.get('show_total_amount') else 0
         total_amount_name = data.get('total_amount_name')
+        # 找平电量开关：默认开启（1=开启，0=关闭）
+        # 当数据中的'未在前端传递时，默认为1（开启），保持与历史配置的兼容性
+        balance_electricity = data.get('balance_electricity')
+        if balance_electricity is None:
+            balance_electricity = 1
+        else:
+            balance_electricity = 1 if balance_electricity else 0
         
         if not config_name or not split_type or not split_value:
             log_warning('[配置API] 创建配置失败：缺少必填字段', 'api')
@@ -81,9 +88,9 @@ def create_config():
             (id, config_name, split_type, split_value, split_name, selected_fields, 
              sum_fields, time_periods, merge_telecom, telecom_vehicle_no, field_custom_names, 
              show_monthly_total, custom_service_fee_price, custom_service_fee_name, 
-             show_custom_service_fee, show_total_amount, total_amount_name, 
+             show_custom_service_fee, show_total_amount, total_amount_name, balance_electricity,
              is_active, sort_order, create_time, update_time)
-            VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, 1, %s, NOW(), NOW())
+            VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, 1, %s, NOW(), NOW())
         """
         
         params = (
@@ -104,6 +111,7 @@ def create_config():
             show_custom_service_fee,
             show_total_amount,
             total_amount_name if total_amount_name else None,
+            balance_electricity,
             sort_order
         )
         
@@ -148,6 +156,12 @@ def update_config(config_id):
         show_custom_service_fee = 1 if data.get('show_custom_service_fee') else 0
         show_total_amount = 1 if data.get('show_total_amount') else 0
         total_amount_name = data.get('total_amount_name')
+        # 找平电量开关：默认开启（1=开启，0=关闭）
+        balance_electricity = data.get('balance_electricity')
+        if balance_electricity is None:
+            balance_electricity = 1
+        else:
+            balance_electricity = 1 if balance_electricity else 0
         
         # 查询原配置，检查拆分是否变化
         old_configs = execute_query('SELECT * FROM t_daily_report_config WHERE id = %s', (config_id,))
@@ -162,6 +176,7 @@ def update_config(config_id):
                 merge_telecom = %s, telecom_vehicle_no = %s, field_custom_names = %s,
                 show_monthly_total = %s, custom_service_fee_price = %s, custom_service_fee_name = %s,
                 show_custom_service_fee = %s, show_total_amount = %s, total_amount_name = %s,
+                balance_electricity = %s,
                 update_time = NOW()
             WHERE id = %s
         """
@@ -183,6 +198,7 @@ def update_config(config_id):
             show_custom_service_fee,
             show_total_amount,
             total_amount_name if total_amount_name else None,
+            balance_electricity,
             config_id
         )
         
@@ -257,8 +273,8 @@ def copy_config(config_id):
         # 插入新配置
         execute_insert(
             '''INSERT INTO t_daily_report_config 
-            (id, config_name, split_type, split_value, split_name, selected_fields, sum_fields, time_periods, merge_telecom, telecom_vehicle_no, field_custom_names, show_monthly_total, custom_service_fee_price, custom_service_fee_name, show_custom_service_fee, show_total_amount, total_amount_name, is_active, sort_order, create_time, update_time)
-            VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, NOW(), NOW())''',
+            (id, config_name, split_type, split_value, split_name, selected_fields, sum_fields, time_periods, merge_telecom, telecom_vehicle_no, field_custom_names, show_monthly_total, custom_service_fee_price, custom_service_fee_name, show_custom_service_fee, show_total_amount, total_amount_name, balance_electricity, is_active, sort_order, create_time, update_time)
+            VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, NOW(), NOW())''',
             (
                 new_id,
                 new_name,
@@ -277,6 +293,8 @@ def copy_config(config_id):
                 original.get('show_custom_service_fee', 0),
                 original.get('show_total_amount', 0),
                 original.get('total_amount_name'),
+                # 找平电量：复制原配置的设置，若原配置无此字段（NULL）则默认开启(1)
+                original.get('balance_electricity') if original.get('balance_electricity') is not None else 1,
                 original['is_active'],
                 sort_order
             )
diff --git a/lib/db_init.py b/lib/db_init.py
index a15f4f9..f93193f 100644
--- a/lib/db_init.py
+++ b/lib/db_init.py
@@ -182,6 +182,15 @@ def init_database_tables():
             "total_amount_name VARCHAR(100) NULL COMMENT '实收金额报表表头名称'",
             'total_amount_name'
         )
+
+        # 给配置表增加 balance_electricity 字段（是否找平电量）
+        # 当尖+峰+平+谷之和不等于充电电量时，以充电电量为准进行找平
+        # 找平顺序：谷 → 平 → 峰 → 尖（加到第一个有值的时段上）
+        _add_column_if_not_exists(
+            't_daily_report_config',
+            "balance_electricity TINYINT NULL DEFAULT 1 COMMENT '是否找平电量(0=否,1=是)'",
+            'balance_electricity'
+        )
         
         # 创建全局配置表
         create_global_config_table = """
diff --git a/lib/report_generator.py b/lib/report_generator.py
index 548fe92..0356cf8 100644
--- a/lib/report_generator.py
+++ b/lib/report_generator.py
@@ -285,6 +285,70 @@ def calculate_time_period_electricity(orders, time_periods_config):
     return result
 
 
+def balance_time_period_electricity(orders):
+    """
+    找平分时段电量
+    
+    正常情况下：充电电量(charge_degree) = 尖电量 + 峰电量 + 平电量 + 谷电量
+    但平台导出数据时，四者之和可能不等于充电电量。
+    本函数以充电电量(charge_degree)为准，将差额加到对应时段上。
+    
+    找平原则（按优先级顺序）：
+    1. 有谷电量(>0) → 差额加到谷上
+    2. 没谷有平电量(>0) → 差额加到平上
+    3. 没平有峰电量(>0) → 差额加到峰上
+    4. 都没有 → 差额加到尖上
+    
+    Args:
+        orders: 订单数据列表（会原地修改 sharp/peak/flat/valley_electricity 字段）
+    
+    Returns:
+        int: 实际找平的订单数
+    """
+    balanced_count = 0
+    
+    for order in orders:
+        # 获取充电电量（作为基准）
+        charge_degree = order.get('charge_degree')
+        if charge_degree is None or charge_degree == '':
+            continue
+        
+        try:
+            charge_degree = float(charge_degree)
+        except (ValueError, TypeError):
+            continue
+        
+        # 获取各时段电量
+        sharp = float(order.get('sharp_electricity', 0) or 0)
+        peak = float(order.get('peak_electricity', 0) or 0)
+        flat = float(order.get('flat_electricity', 0) or 0)
+        valley = float(order.get('valley_electricity', 0) or 0)
+        
+        # 计算四时段之和
+        period_sum = round(sharp + peak + flat + valley, 3)
+        
+        # 计算差额
+        diff = round(charge_degree - period_sum, 3)
+        
+        # 如果差额为0，不需要找平
+        if abs(diff) < 0.001:
+            continue
+        
+        # 按优先级找平：谷 → 平 → 峰 → 尖
+        if valley > 0:
+            order['valley_electricity'] = round(valley + diff, 3)
+        elif flat > 0:
+            order['flat_electricity'] = round(flat + diff, 3)
+        elif peak > 0:
+            order['peak_electricity'] = round(peak + diff, 3)
+        else:
+            order['sharp_electricity'] = round(sharp + diff, 3)
+        
+        balanced_count += 1
+    
+    return balanced_count
+
+
 def get_beijing_time():
     """获取北京时间"""
     beijing_tz = pytz.timezone('Asia/Shanghai')
@@ -592,6 +656,19 @@ def generate_daily_report(config_id, start_time=None, end_time=None):
             
             log_info(f"[日报生成] 已计算 {len(time_period_electricity)} 条订单的分时段电量", 'report')
         
+        # 找平分时段电量
+        # 当配置开启了找平电量功能时，以充电电量(charge_degree)为准，
+        # 将尖+峰+平+谷之和与充电电量的差额，按 谷→平→峰→尖 的优先级加到对应时段上
+        balance_electricity_enabled = config.get('balance_electricity')
+        # 兼容历史配置：NULL 或未设置时默认开启
+        if balance_electricity_enabled is None:
+            balance_electricity_enabled = 1
+        
+        if balance_electricity_enabled == 1:
+            balanced_count = balance_time_period_electricity(orders)
+            if balanced_count > 0:
+                log_info(f"[日报生成] 找平电量：共处理 {balanced_count} 条订单的分时段电量差额", 'report')
+        
         # 计算虚拟字段（自定义服务费、自定义实收总金额）并添加到订单数据中
         # 这样求和数据才能正确计算这些字段的总和
         has_custom_service_fee = config.get('custom_service_fee_price') is not None and str(config.get('custom_service_fee_price', '')).strip() != ''
diff --git a/public/static/css/style.css b/public/static/css/style.css
index e300b55..6c2d970 100644
--- a/public/static/css/style.css
+++ b/public/static/css/style.css
@@ -1106,6 +1106,118 @@ color: #666;
     flex-shrink: 0;
 }
 
+/* ============== Toast 消息提示 ============== */
+.toast-container {
+    position: fixed;
+    top: 20px;
+    right: 20px;
+    z-index: 10000;
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+    pointer-events: none;
+    max-width: 400px;
+}
+
+.toast {
+    display: flex;
+    align-items: flex-start;
+    gap: 10px;
+    padding: 12px 16px;
+    border-radius: 8px;
+    background: #fff;
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+    border-left: 4px solid #909399;
+    font-size: 14px;
+    line-height: 1.5;
+    color: #333;
+    pointer-events: auto;
+    animation: toast-slide-in 0.3s ease;
+    word-break: break-word;
+}
+
+.toast.toast-success {
+    border-left-color: #67c23a;
+    background: #f0f9eb;
+}
+
+.toast.toast-error {
+    border-left-color: #f56c6c;
+    background: #fef0f0;
+}
+
+.toast.toast-warning {
+    border-left-color: #e6a23c;
+    background: #fdf6ec;
+}
+
+.toast.toast-info {
+    border-left-color: #409eff;
+    background: #ecf5ff;
+}
+
+.toast-icon {
+    flex-shrink: 0;
+    width: 20px;
+    height: 20px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-size: 16px;
+    font-weight: bold;
+}
+
+.toast.toast-success .toast-icon { color: #67c23a; }
+.toast.toast-error .toast-icon { color: #f56c6c; }
+.toast.toast-warning .toast-icon { color: #e6a23c; }
+.toast.toast-info .toast-icon { color: #409eff; }
+
+.toast-content {
+    flex: 1;
+    min-width: 0;
+}
+
+.toast-close {
+    flex-shrink: 0;
+    background: none;
+    border: none;
+    color: #c0c4cc;
+    cursor: pointer;
+    font-size: 16px;
+    padding: 0;
+    line-height: 1;
+}
+
+.toast-close:hover {
+    color: #909399;
+}
+
+.toast.toast-fade-out {
+    animation: toast-slide-out 0.3s ease forwards;
+}
+
+@keyframes toast-slide-in {
+    from {
+        opacity: 0;
+        transform: translateX(100%);
+    }
+    to {
+        opacity: 1;
+        transform: translateX(0);
+    }
+}
+
+@keyframes toast-slide-out {
+    from {
+        opacity: 1;
+        transform: translateX(0);
+    }
+    to {
+        opacity: 0;
+        transform: translateX(100%);
+    }
+}
+
 .generate-item.running .generate-item-status {
     color: #17a2b8;
 }
diff --git a/public/static/js/common.js b/public/static/js/common.js
index 70df0ed..6d4f6ab 100644
--- a/public/static/js/common.js
+++ b/public/static/js/common.js
@@ -4,6 +4,113 @@ window.onerror = function(msg, url, line, col, error) {
     return true; // 阻止错误传播
 };
 
+// ============== Toast 消息提示系统 ==============
+// 非阻塞消息提示，替代 alert() 弹窗
+// 用法: showToast('消息内容', 'success');  // type: success/error/warning/info
+//      showToast('消息内容');  // 默认 auto 自动判断类型
+
+const TOAST_ICONS = {
+    success: '✓',
+    error: '✕',
+    warning: '!',
+    info: 'i'
+};
+
+let toastContainer = null;
+
+function getToastContainer() {
+    if (!toastContainer) {
+        toastContainer = document.createElement('div');
+        toastContainer.className = 'toast-container';
+        document.body.appendChild(toastContainer);
+    }
+    return toastContainer;
+}
+
+/**
+ * 显示消息提示（非阻塞）
+ * @param {string} message - 消息内容
+ * @param {string} type - 类型: success/error/warning/info/auto
+ * @param {number} duration - 显示时长(毫秒)，默认 3000ms，error 默认 5000ms
+ */
+function showToast(message, type = 'auto', duration = null) {
+    // 自动判断类型
+    if (type === 'auto') {
+        const msg = String(message);
+        if (/成功|完成|已保存|已删除|已更新|已启用|已禁用|已复制|已导入|已导出|已采集/.test(msg)) {
+            type = 'success';
+        } else if (/失败|错误|异常|无法|不能|出错/.test(msg)) {
+            type = 'error';
+        } else if (/请|警告|注意|必须|需要/.test(msg)) {
+            type = 'warning';
+        } else {
+            type = 'info';
+        }
+    }
+
+    // 默认时长：error 5000ms，其他 3000ms
+    if (duration === null) {
+        duration = type === 'error' ? 5000 : 3000;
+    }
+
+    const container = getToastContainer();
+    const toast = document.createElement('div');
+    toast.className = `toast toast-${type}`;
+
+    const icon = TOAST_ICONS[type] || '';
+    toast.innerHTML = `
+        <span class="toast-icon">${icon}</span>
+        <span class="toast-content"></span>
+        <button class="toast-close">&times;</button>
+    `;
+
+    // 安全设置消息内容（防 XSS）
+    toast.querySelector('.toast-content').textContent = String(message);
+
+    // 关闭按钮
+    toast.querySelector('.toast-close').addEventListener('click', function() {
+        removeToast(toast);
+    });
+
+    container.appendChild(toast);
+
+    // 自动消失
+    if (duration > 0) {
+        setTimeout(function() {
+            removeToast(toast);
+        }, duration);
+    }
+
+    return toast;
+}
+
+function removeToast(toast) {
+    if (!toast || !toast.parentNode) return;
+    toast.classList.add('toast-fade-out');
+    setTimeout(function() {
+        if (toast.parentNode) {
+            toast.parentNode.removeChild(toast);
+        }
+    }, 300);
+}
+
+// 便捷方法
+function showSuccess(message, duration) {
+    return showToast(message, 'success', duration);
+}
+
+function showError(message, duration) {
+    return showToast(message, 'error', duration);
+}
+
+function showWarning(message, duration) {
+    return showToast(message, 'warning', duration);
+}
+
+function showInfo(message, duration) {
+    return showToast(message, 'info', duration);
+}
+
 // 全局变量
 let editingConfigId = null;
 let allFields = [];
@@ -93,7 +200,7 @@ async function handleLogin(event) {
     const password = document.getElementById('login-password').value.trim();
     
     if (!username || !password) {
-        alert('请输入用户名和密码');
+        showToast('请输入用户名和密码');
         return;
     }
     
@@ -119,10 +226,10 @@ async function handleLogin(event) {
             // 登录成功后加载数据
             loadConfigs();
         } else {
-            alert(result.message || '登录失败');
+            showToast(result.message || '登录失败');
         }
     } catch (error) {
-        alert('登录失败: ' + error.message);
+        showToast('登录失败: ' + error.message);
     } finally {
         btn.disabled = false;
         btn.textContent = '登 录';
@@ -161,17 +268,17 @@ async function saveChangePassword() {
     const confirmPassword = document.getElementById('confirm-password').value.trim();
     
     if (!oldPassword || !newPassword || !confirmPassword) {
-        alert('请填写完整信息');
+        showToast('请填写完整信息');
         return;
     }
     
     if (newPassword.length < 6) {
-        alert('新密码长度不能少于6位');
+        showToast('新密码长度不能少于6位');
         return;
     }
     
     if (newPassword !== confirmPassword) {
-        alert('两次输入的新密码不一致');
+        showToast('两次输入的新密码不一致');
         return;
     }
     
@@ -188,15 +295,15 @@ async function saveChangePassword() {
         const result = await response.json();
         
         if (result.success) {
-            alert('密码修改成功，请重新登录');
+            showToast('密码修改成功，请重新登录');
             closeChangePasswordModal();
             clearAuth();
             showLoginPage();
         } else {
-            alert(result.message || '修改失败');
+            showToast(result.message || '修改失败');
         }
     } catch (error) {
-        alert('修改失败: ' + error.message);
+        showToast('修改失败: ' + error.message);
     }
 }
 
@@ -241,16 +348,6 @@ function formatDateTime(dateStr) {
     return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;
 }
 
-// 显示错误提示
-function showError(message) {
-    alert('错误：' + message);
-}
-
-// 显示成功提示
-function showSuccess(message) {
-    alert('成功：' + message);
-}
-
 // 页面加载时自动加载配置列表
 document.addEventListener('DOMContentLoaded', function() {
     loadConfigs();
diff --git a/public/static/js/config.js b/public/static/js/config.js
index 74ffe68..565cb60 100644
--- a/public/static/js/config.js
+++ b/public/static/js/config.js
@@ -11,10 +11,10 @@ async function loadConfigs() {
             currentConfigList = result.data;
             renderConfigList(currentConfigList);
         } else {
-            alert('加载配置失败：' + result.message);
+            showToast('加载配置失败：' + result.message);
         }
     } catch (error) {
-        alert('加载配置失败：' + error.message);
+        showToast('加载配置失败：' + error.message);
     }
 }
 
@@ -89,6 +89,10 @@ function showCreateModal() {
     const showMonthlyTotalCheckbox = document.getElementById('show-monthly-total');
     if (showMonthlyTotalCheckbox) showMonthlyTotalCheckbox.checked = false;
     
+    // 重置找平电量开关（默认开启）
+    const balanceElectricityCheckbox = document.getElementById('balance-electricity');
+    if (balanceElectricityCheckbox) balanceElectricityCheckbox.checked = true;
+    
     // 重置自定义服务费单价
     const customServiceFeePriceInput = document.getElementById('custom-service-fee-price');
     if (customServiceFeePriceInput) customServiceFeePriceInput.value = '';
@@ -593,6 +597,9 @@ async function saveConfig() {
     // 获取月度总计开关
     const showMonthlyTotal = document.getElementById('show-monthly-total')?.checked || false;
     
+    // 获取找平电量开关（默认开启）
+    const balanceElectricity = document.getElementById('balance-electricity')?.checked || false;
+    
     // 获取自定义服务费单价
     const customServiceFeePriceInput = document.getElementById('custom-service-fee-price');
     const customServiceFeePrice = customServiceFeePriceInput?.value !== '' ? parseFloat(customServiceFeePriceInput.value) : null;
@@ -612,12 +619,12 @@ async function saveConfig() {
     const totalAmountName = totalAmountNameInput?.value.trim() || null;
     
     if (!configName || !splitType || !splitValue) {
-        alert('请填写所有必填字段');
+        showToast('请填写所有必填字段');
         return;
     }
 
     if (selectedFields.length === 0) {
-        alert('请至少选择一个字段');
+        showToast('请至少选择一个字段');
         return;
     }
     
@@ -628,11 +635,11 @@ async function saveConfig() {
     
     // 验证合并特来电配置
     if (mergeTelecom && splitType !== 'company_id') {
-        alert('合并特来电数据仅支持按企业拆分');
+        showToast('合并特来电数据仅支持按企业拆分');
         return;
     }
     if (mergeTelecom && !telecomVehicleNo) {
-        alert('请输入特来电车量自编号');
+        showToast('请输入特来电车量自编号');
         return;
     }
     
@@ -651,6 +658,7 @@ async function saveConfig() {
         telecom_vehicle_no: telecomVehicleNo,
         field_custom_names: fieldCustomNamesData,
         show_monthly_total: showMonthlyTotal,
+        balance_electricity: balanceElectricity,
         custom_service_fee_price: customServiceFeePrice,
         custom_service_fee_name: customServiceFeeName,
         show_custom_service_fee: showCustomServiceFee,
@@ -677,14 +685,14 @@ async function saveConfig() {
         const result = await response.json();
         
         if (result.success) {
-            alert(editingConfigId ? '配置更新成功' : '配置创建成功');
+            showToast(editingConfigId ? '配置更新成功' : '配置创建成功');
             closeModal();
             loadConfigs();
         } else {
-            alert('保存失败: ' + result.message);
+            showToast('保存失败: ' + result.message);
         }
     } catch (error) {
-        alert('保存失败: ' + error.message);
+        showToast('保存失败: ' + error.message);
     }
 }
 
@@ -736,6 +744,16 @@ async function editConfig(configId) {
                     showMonthlyTotalCheckbox.checked = config.show_monthly_total === 1 || config.show_monthly_total === true;
                 }
                 
+                // 加载找平电量开关（兼容历史配置：NULL/未设置时默认开启）
+                const balanceElectricityCheckbox = document.getElementById('balance-electricity');
+                if (balanceElectricityCheckbox) {
+                    // balance_electricity 为 null/undefined 时默认开启，为 0 时关闭
+                    balanceElectricityCheckbox.checked = config.balance_electricity === null || 
+                                                         config.balance_electricity === undefined || 
+                                                         config.balance_electricity === 1 || 
+                                                         config.balance_electricity === true;
+                }
+                
                 // 加载自定义服务费单价
                 const customServiceFeePriceInput = document.getElementById('custom-service-fee-price');
                 if (customServiceFeePriceInput) {
@@ -770,7 +788,7 @@ async function editConfig(configId) {
             }
         }
     } catch (error) {
-        alert('加载配置失败: ' + error.message);
+        showToast('加载配置失败: ' + error.message);
     }
 }
 
@@ -913,14 +931,14 @@ async function copyConfig(configId) {
         const result = await response.json();
 
         if (result.success) {
-            alert('配置复制成功！');
+            showToast('配置复制成功！');
             loadConfigs();
         } else {
-            alert('复制失败: ' + (result.message || result.error || '未知错误'));
+            showToast('复制失败: ' + (result.message || result.error || '未知错误'));
         }
     } catch (error) {
         console.error('复制配置失败:', error);
-        alert('复制失败，请稍后重试');
+        showToast('复制失败，请稍后重试');
     }
 }
 
@@ -937,13 +955,13 @@ async function deleteConfig(configId) {
         const result = await response.json();
         
         if (result.success) {
-            alert('配置删除成功');
+            showToast('配置删除成功');
             loadConfigs();
         } else {
-            alert('删除失败: ' + result.message);
+            showToast('删除失败: ' + result.message);
         }
     } catch (error) {
-        alert('删除失败: ' + error.message);
+        showToast('删除失败: ' + error.message);
     }
 }
 
@@ -958,10 +976,10 @@ async function toggleConfig(configId) {
         if (result.success) {
             loadConfigs();
         } else {
-            alert('操作失败: ' + result.message);
+            showToast('操作失败: ' + result.message);
         }
     } catch (error) {
-        alert('操作失败: ' + error.message);
+        showToast('操作失败: ' + error.message);
     }
 }
 
@@ -1000,7 +1018,7 @@ async function moveConfig(configId, direction) {
                 currentConfigList[rollbackTarget] = temp;
                 renderConfigList(currentConfigList);
             }
-            alert('移动失败: ' + result.message);
+            showToast('移动失败: ' + result.message);
         }
     } catch (error) {
         // 网络错误也回滚
@@ -1012,7 +1030,7 @@ async function moveConfig(configId, direction) {
             currentConfigList[rollbackTarget] = temp;
             renderConfigList(currentConfigList);
         }
-        alert('移动失败: ' + error.message);
+        showToast('移动失败: ' + error.message);
     }
 }
 
@@ -1045,7 +1063,7 @@ function exportConfigs() {
     try {
         window.open('/api/config/export', '_blank');
     } catch (error) {
-        alert('导出失败: ' + error.message);
+        showToast('导出失败: ' + error.message);
     }
 }
 
@@ -1054,7 +1072,7 @@ function downloadTemplate() {
     try {
         window.open('/api/config/template', '_blank');
     } catch (error) {
-        alert('模板下载失败: ' + error.message);
+        showToast('模板下载失败: ' + error.message);
     }
 }
 
@@ -1065,7 +1083,7 @@ async function importConfigs(event) {
     if (!file) return;
     
     if (!file.name.endsWith('.xlsx') && !file.name.endsWith('.xls')) {
-        alert('只支持 Excel 格式（.xlsx/.xls）的配置文件');
+        showToast('只支持 Excel 格式（.xlsx/.xls）的配置文件');
         fileInput.value = '';
         return;
     }
@@ -1090,13 +1108,13 @@ async function importConfigs(event) {
             if (result.data && result.data.fail_messages && result.data.fail_messages.length > 0) {
                 message += '\n\n失败详情：\n' + result.data.fail_messages.join('\n');
             }
-            alert(message);
+            showToast(message);
             loadConfigs();
         } else {
-            alert('导入失败: ' + (result.message || '未知错误'));
+            showToast('导入失败: ' + (result.message || '未知错误'));
         }
     } catch (error) {
-        alert('导入失败: ' + error.message);
+        showToast('导入失败: ' + error.message);
     }
     
     fileInput.value = '';
diff --git a/public/static/js/history.js b/public/static/js/history.js
index 8b6ff04..7db894d 100644
--- a/public/static/js/history.js
+++ b/public/static/js/history.js
@@ -37,7 +37,7 @@ async function batchDownloadHistory() {
         const successCount = checkboxes.length - failedCount;
 
         if (successCount === 0) {
-            alert('选中的记录都是生成失败的，无法下载');
+            showToast('选中的记录都是生成失败的，无法下载');
             return;
         }
 
@@ -59,7 +59,7 @@ async function batchDownloadHistory() {
             });
             await handleDownloadResponse(response);
         } catch (error) {
-            alert('下载失败: ' + error.message);
+            showToast('下载失败: ' + error.message);
         }
     } else {
         // 模式2：按筛选条件下载全部匹配的成功记录
@@ -94,7 +94,7 @@ async function batchDownloadHistory() {
         }
 
         if (matchCount === 0) {
-            alert(`没有符合条件的成功记录可导出。\n筛选条件: ${filterDesc}`);
+            showToast(`没有符合条件的成功记录可导出。\n筛选条件: ${filterDesc}`);
             return;
         }
 
@@ -115,7 +115,7 @@ async function batchDownloadHistory() {
             });
             await handleDownloadResponse(response);
         } catch (error) {
-            alert('下载失败: ' + error.message);
+            showToast('下载失败: ' + error.message);
         }
     }
 }
@@ -125,9 +125,9 @@ async function handleDownloadResponse(response) {
     if (!response.ok) {
         try {
             const result = await response.json();
-            alert('下载失败: ' + (result.message || '未知错误'));
+            showToast('下载失败: ' + (result.message || '未知错误'));
         } catch (e) {
-            alert('下载失败: 服务器返回错误');
+            showToast('下载失败: 服务器返回错误');
         }
         return;
     }
@@ -161,7 +161,7 @@ async function handleDownloadResponse(response) {
             msg += `\n跳过失败记录: ${skipped} 个`;
         }
         if (missing > 0 || skipped > 0) {
-            alert(msg);
+            showToast(msg);
         }
     }
 }
@@ -397,10 +397,10 @@ async function loadHistoryWithDate(page) {
             renderHistory(result.data.list);
             renderPagination(result.data.page, result.data.total, result.data.page_size);
         } else {
-            alert('加载失败: ' + (result.error || result.message || '未知错误'));
+            showToast('加载失败: ' + (result.error || result.message || '未知错误'));
         }
     } catch (error) {
-        alert('加载失败: ' + error.message);
+        showToast('加载失败: ' + error.message);
     }
 }
 
@@ -427,13 +427,13 @@ async function deleteHistory(id) {
         });
         const result = await response.json();
         if (result.success) {
-            alert('删除成功');
+            showToast('删除成功');
             loadHistoryWithDate();
         } else {
-            alert('删除失败: ' + result.message);
+            showToast('删除失败: ' + result.message);
         }
     } catch (error) {
-        alert('删除失败: ' + error.message);
+        showToast('删除失败: ' + error.message);
     }
 }
 
@@ -441,7 +441,7 @@ async function deleteHistory(id) {
 async function batchDeleteHistory() {
     const checkboxes = document.querySelectorAll('.history-checkbox:checked');
     if (checkboxes.length === 0) {
-        alert('请至少选择一条记录');
+        showToast('请至少选择一条记录');
         return;
     }
     
@@ -459,13 +459,13 @@ async function batchDeleteHistory() {
         });
         const result = await response.json();
         if (result.success) {
-            alert(result.message);
+            showToast(result.message);
             loadHistoryWithDate();
         } else {
-            alert('删除失败: ' + result.message);
+            showToast('删除失败: ' + result.message);
         }
     } catch (error) {
-        alert('删除失败: ' + error.message);
+        showToast('删除失败: ' + error.message);
     }
 }
 
diff --git a/public/static/js/report.js b/public/static/js/report.js
index e5f9a55..92fa362 100644
--- a/public/static/js/report.js
+++ b/public/static/js/report.js
@@ -286,12 +286,12 @@ async function generateReport() {
     const endTime = document.getElementById('end-time').value;
 
     if (checkboxes.length === 0) {
-        alert('请至少选择一个配置');
+        showToast('请至少选择一个配置');
         return;
     }
 
     if (!startTime || !endTime) {
-        alert('请选择时间范围');
+        showToast('请选择时间范围');
         return;
     }
 
diff --git a/public/static/js/sum_data.js b/public/static/js/sum_data.js
index dacba11..4ebcf86 100644
--- a/public/static/js/sum_data.js
+++ b/public/static/js/sum_data.js
@@ -253,7 +253,7 @@ async function collectSumDataFromHistory() {
     const endDate = document.getElementById('sum-data-end-date').value;
     
     if (!startDate || !endDate) {
-        alert('请先选择日期范围');
+        showToast('请先选择日期范围');
         return;
     }
     
@@ -273,14 +273,14 @@ async function collectSumDataFromHistory() {
         });
         const result = await response.json();
         if (result.success) {
-            alert(result.message);
+            showToast(result.message);
             loadSumData(1);
         } else {
-            alert('采集失败: ' + (result.message || '未知错误'));
+            showToast('采集失败: ' + (result.message || '未知错误'));
             loadSumData(1);
         }
     } catch (error) {
-        alert('采集失败: ' + error.message);
+        showToast('采集失败: ' + error.message);
         loadSumData(1);
     }
 }
@@ -319,14 +319,14 @@ async function showEditSumDataGroup(ids) {
         const result = await response.json();
         
         if (!result.success) {
-            alert('加载详情失败');
+            showToast('加载详情失败');
             return;
         }
 
         const groupItems = result.data || [];
         
         if (groupItems.length === 0) {
-            alert('未找到该记录');
+            showToast('未找到该记录');
             return;
         }
 
@@ -349,7 +349,7 @@ async function showEditSumDataGroup(ids) {
         document.getElementById('sum-data-remark-input').value = chargeItem.remark || '';
         document.getElementById('sum-data-modal').classList.add('active');
     } catch (error) {
-        alert('加载详情失败: ' + error.message);
+        showToast('加载详情失败: ' + error.message);
     }
 }
 
@@ -415,7 +415,7 @@ async function saveSumData() {
     
     // 编辑时修改原因为必填
     if (editingGroupIds && editingGroupIds.length > 0 && !remark.trim()) {
-        alert('请填写修改原因');
+        showToast('请填写修改原因');
         return;
     }
 
@@ -524,11 +524,11 @@ async function saveSumData() {
             }
             
             if (successCount > 0) {
-                alert(`更新成功（${successCount} 个字段）`);
+                showToast(`更新成功（${successCount} 个字段）`);
                 closeSumDataModal();
                 loadSumData(sumDataCurrentPage);
             } else {
-                alert('更新失败');
+                showToast('更新失败');
             }
             return;
         }
@@ -543,7 +543,7 @@ async function saveSumData() {
         const valleyTime = document.getElementById('sum-data-valley-time-input').value;
 
         if (!chargeDegree && !peakDegree && !peakTime && !normalTime && !valleyTime) {
-            alert('请至少输入一个求和字段值');
+            showToast('请至少输入一个求和字段值');
             return;
         }
 
@@ -595,7 +595,7 @@ async function saveSumData() {
         };
 
         if (!data.report_date) {
-            alert('请选择报表日期');
+            showToast('请选择报表日期');
             return;
         }
 
@@ -607,14 +607,14 @@ async function saveSumData() {
         const result = await response.json();
 
         if (result.success) {
-            alert('添加成功');
+            showToast('添加成功');
             closeSumDataModal();
             loadSumData(sumDataCurrentPage);
         } else {
-            alert('保存失败: ' + (result.message || '未知错误'));
+            showToast('保存失败: ' + (result.message || '未知错误'));
         }
     } catch (error) {
-        alert('保存失败: ' + error.message);
+        showToast('保存失败: ' + error.message);
     }
 }
 
@@ -654,13 +654,13 @@ async function deleteSumDataGroup(ids) {
         }
         
         if (success) {
-            alert('删除成功');
+            showToast('删除成功');
             loadSumData(sumDataCurrentPage);
         } else {
-            alert('部分删除失败');
+            showToast('部分删除失败');
         }
     } catch (error) {
-        alert('删除失败: ' + error.message);
+        showToast('删除失败: ' + error.message);
     }
 }
 
@@ -673,7 +673,7 @@ function deleteSumData(id) {
 async function batchDeleteSumData() {
     const checkboxes = document.querySelectorAll('.sum-data-checkbox:checked');
     if (checkboxes.length === 0) {
-        alert('请选择要删除的记录');
+        showToast('请选择要删除的记录');
         return;
     }
     
@@ -697,13 +697,13 @@ async function batchDeleteSumData() {
         });
         const result = await response.json();
         if (result.success) {
-            alert('删除成功');
+            showToast('删除成功');
             loadSumData(sumDataCurrentPage);
         } else {
-            alert('删除失败: ' + (result.message || '未知错误'));
+            showToast('删除失败: ' + (result.message || '未知错误'));
         }
     } catch (error) {
-        alert('删除失败: ' + error.message);
+        showToast('删除失败: ' + error.message);
     }
 }
 
@@ -725,7 +725,7 @@ async function exportSumData() {
         
         if (result.success) {
             if (result.total === 0) {
-                alert('没有可导出的数据');
+                showToast('没有可导出的数据');
                 return;
             }
             const a = document.createElement('a');
@@ -736,10 +736,10 @@ async function exportSumData() {
             a.click();
             document.body.removeChild(a);
         } else {
-            alert('导出失败: ' + (result.message || '未知错误'));
+            showToast('导出失败: ' + (result.message || '未知错误'));
         }
     } catch (error) {
-        alert('导出失败: ' + error.message);
+        showToast('导出失败: ' + error.message);
     }
 }
 
@@ -837,14 +837,14 @@ async function saveSumDataConfig() {
         const result = await response.json();
         
         if (result.success) {
-            alert('配置保存成功');
+            showToast('配置保存成功');
             sumDataConfigFields = selectedFields;
             closeSumDataConfigModal();
             loadSumData(sumDataCurrentPage);
         } else {
-            alert('保存失败: ' + (result.message || '未知错误'));
+            showToast('保存失败: ' + (result.message || '未知错误'));
         }
     } catch (error) {
-        alert('保存失败: ' + error.message);
+        showToast('保存失败: ' + error.message);
     }
 }
diff --git a/templates/index.html b/templates/index.html
index a868176..b6142d7 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -337,6 +337,13 @@
                         报表底部显示当月充电量累计总计（数据来源于求和采集表，对账后数据）
                     </label>
                 </div>
+
+                <div class="form-group">
+                    <label>
+                        <input type="checkbox" id="balance-electricity" checked>
+                        找平电量（当尖+峰+平+谷之和不等于充电电量时，以充电电量为准，将差额按 谷→平→峰→尖 的顺序加到对应时段上）
+                    </label>
+                </div>
             </div>
             <div class="modal-footer">
                 <button class="btn" onclick="closeModal()">取消</button>