fix: 修复字段和求和字段复选框回显问题，优化求和字段逻辑

Coze-Commit-Type: user
Coze-User-ID: 3722323274763196
Coze-Conversation-ID: 9894087

templates/index.html

@@ -616,6 +616,18 @@
             }
         }
 
+        // 可求和的数值类型字段
+        const SUMMABLE_FIELD_KEYS = [
+            'charge_degree', 'charge_ah', 'charge_begin_soc', 'charge_end_soc',
+            'receivable_electric_fee', 'receivable_service_fee', 'receivable_total_fee',
+            'charge_elecfee_amount', 'charge_elecfee_cost_amount', 'charge_service_amount',
+            'charging_amt', 'actual_pay_amount', 'pay_amount',
+            'settle_electric_fee', 'settle_service_fee', 'settle_fee',
+            'coupon_amount', 'coupon_total_amount', 'elecfee_coupon_amount', 'servicefee_coupon_amount',
+            'invoice_fee', 'activity_electric_fee', 'activity_service_fee', 'activity_total_fee',
+            'total_money'
+        ];
+
         // 渲染字段列表
         function renderFields(selectedFields = [], sumFields = []) {
             const fieldsList = document.getElementById('fields-list');
@@ -623,19 +635,40 @@
 
             fieldsList.innerHTML = allFields.map(field => `
                 <label class="checkbox-item">
-                    <input type="checkbox" value="${field.field}" 
-                           ${selectedFields.includes(field.field) ? 'checked' : ''}>
+                    <input type="checkbox" value="${field.key}" 
+                           ${selectedFields.includes(field.key) ? 'checked' : ''}>
                     ${field.display}
                 </label>
             `).join('');
 
-            sumFieldsList.innerHTML = allFields.map(field => `
-                <label class="checkbox-item">
-                    <input type="checkbox" value="${field.field}" 
-                           ${sumFields.includes(field.field) ? 'checked' : ''}>
-                    ${field.display}
-                </label>
-            `).join('');
+            // 为字段列表添加 change 事件监听，动态更新求和字段
+            fieldsList.addEventListener('change', function() {
+                const checkedFields = Array.from(fieldsList.querySelectorAll('input:checked')).map(cb => cb.value);
+                refreshSumFieldsList(checkedFields, []);
+            });
+
+            // 初始化求和字段列表（只显示已选字段中的可求和字段）
+            refreshSumFieldsList(selectedFields, sumFields);
+        }
+
+        // 刷新求和字段列表（仅显示已选字段中的数值类型字段）
+        function refreshSumFieldsList(selectedFields, currentSumFields) {
+            const sumFieldsList = document.getElementById('sum-fields-list');
+            const availableSumFields = allFields.filter(f => 
+                selectedFields.includes(f.key) && SUMMABLE_FIELD_KEYS.includes(f.key)
+            );
+            
+            if (availableSumFields.length === 0) {
+                sumFieldsList.innerHTML = '<small class="text-muted">请先在上方选择数值类型的字段</small>';
+            } else {
+                sumFieldsList.innerHTML = availableSumFields.map(field => `
+                    <label class="checkbox-item">
+                        <input type="checkbox" value="${field.key}" 
+                               ${currentSumFields.includes(field.key) ? 'checked' : ''}>
+                        ${field.display}
+                    </label>
+                `).join('');
+            }
         }
 
         // 当前实体加载状态