diff --git a/data/tsp_assistant.db b/data/tsp_assistant.db
index 5bd3663..5d476b1 100644
Binary files a/data/tsp_assistant.db and b/data/tsp_assistant.db differ
diff --git a/models/ml_analysis/processor.pkl b/models/ml_analysis/processor.pkl
deleted file mode 100644
index ff7985a..0000000
Binary files a/models/ml_analysis/processor.pkl and /dev/null differ
diff --git a/models/ml_analysis/trained_model.pkl b/models/ml_analysis/trained_model.pkl
deleted file mode 100644
index 36ba3a2..0000000
Binary files a/models/ml_analysis/trained_model.pkl and /dev/null differ
diff --git a/src/web/static/js/modules/alerts.js b/src/web/static/js/modules/alerts.js
index 760ed7c..cdbff9f 100644
--- a/src/web/static/js/modules/alerts.js
+++ b/src/web/static/js/modules/alerts.js
@@ -196,17 +196,13 @@ Object.assign(TSPDashboard.prototype, {
             if (data.success) {
                 this.showNotification(data.message, 'success');
                 
-                // 清除所有相关缓存
-                this.cache.delete('alerts');
-                this.cache.delete('alerts_stats');
+                // 清除所有预警相关缓存
+                for (const key of this.cache.keys()) {
+                    if (key.startsWith('alerts')) this.cache.delete(key);
+                }
                 
-                // 立即更新统计数字，避免跳动
-                await this.updateStatsAfterDelete(selectedIds.length);
-                
-                // 重新加载预警列表
-                await this.loadAlerts();
-                
-                // 重置批量删除按钮状态
+                // 强制刷新预警列表和统计
+                await this.loadAlerts(1, true);
                 this.updateBatchDeleteAlertsButton();
             } else {
                 this.showNotification(data.error || '批量删除失败', 'error');
@@ -327,16 +323,10 @@ Object.assign(TSPDashboard.prototype, {
             
             if (data.success) {
                 this.showNotification('预警已解决', 'success');
-                
-                // 清除缓存
-                this.cache.delete('alerts');
-                this.cache.delete('alerts_stats');
-                
-                // 立即更新统计数字
-                await this.updateStatsAfterResolve(alertId);
-                
-                // 重新加载预警列表
-                this.loadAlerts();
+                for (const key of this.cache.keys()) {
+                    if (key.startsWith('alerts')) this.cache.delete(key);
+                }
+                await this.loadAlerts(1, true);
             } else {
                 this.showNotification('解决预警失败', 'error');
             }
diff --git a/src/web/static/js/modules/knowledge.js b/src/web/static/js/modules/knowledge.js
index 21ddd45..363533c 100644
--- a/src/web/static/js/modules/knowledge.js
+++ b/src/web/static/js/modules/knowledge.js
@@ -632,7 +632,7 @@ Object.assign(TSPDashboard.prototype, {
                 this.showNotification(data.message, 'success');
                 
                 // 清除缓存并强制刷新
-                this.cache.delete('knowledge');
+                for (const key of this.cache.keys()) { if (key.startsWith('knowledge')) this.cache.delete(key); }
 
                 // Task 7.3: 删除后检查是否所有条目已删除，若是则返回租户列表
                 if (this.knowledgeCurrentTenantId) {
diff --git a/src/web/static/js/modules/workorders.js b/src/web/static/js/modules/workorders.js
index 0b813e8..0bf26b2 100644
--- a/src/web/static/js/modules/workorders.js
+++ b/src/web/static/js/modules/workorders.js
@@ -211,8 +211,10 @@ Object.assign(TSPDashboard.prototype, {
             const data = await response.json();
             if (data.success) {
                 this.showNotification(data.message, 'success');
-                this.cache.delete('workorders');
-                await this.loadWorkOrders(true);
+                for (const key of this.cache.keys()) {
+                    if (key.startsWith('workorders')) this.cache.delete(key);
+                }
+                await this.loadWorkOrders(1, true);
                 await this.loadAnalytics();
                 this.updateBatchDeleteButton();
             } else { this.showNotification(data.error || '批量删除失败', 'error'); }
@@ -233,7 +235,8 @@ Object.assign(TSPDashboard.prototype, {
                 this.showNotification('工单创建成功', 'success');
                 bootstrap.Modal.getInstance(document.getElementById('createWorkOrderModal')).hide();
                 document.getElementById('work-order-form').reset();
-                await this.loadWorkOrders();
+                for (const key of this.cache.keys()) { if (key.startsWith('workorders')) this.cache.delete(key); }
+                await this.loadWorkOrders(1, true);
                 await this.loadAnalytics();
             } else { this.showNotification('创建工单失败: ' + (data.error || '未知错误'), 'error'); }
         } catch (error) { console.error('创建工单失败:', error); this.showNotification('创建工单失败', 'error'); }
@@ -340,6 +343,7 @@ Object.assign(TSPDashboard.prototype, {
             const data = await response.json();
             if (data.success) {
                 this.showNotification('工单删除成功', 'success');
+                for (const key of this.cache.keys()) { if (key.startsWith('workorders')) this.cache.delete(key); }
                 await this.loadWorkOrders(this.paginationConfig.currentWorkOrderPage, true);
                 await this.loadAnalytics();
             } else { this.showNotification('删除工单失败: ' + (data.error || '未知错误'), 'error'); }
@@ -403,7 +407,8 @@ Object.assign(TSPDashboard.prototype, {
             if (result.success) {
                 this.showNotification('工单更新成功', 'success');
                 bootstrap.Modal.getInstance(document.getElementById('editWorkOrderModal')).hide();
-                await this.loadWorkOrders();
+                for (const key of this.cache.keys()) { if (key.startsWith('workorders')) this.cache.delete(key); }
+                await this.loadWorkOrders(1, true);
                 await this.loadAnalytics();
             } else { throw new Error(result.error || '更新工单失败'); }
         } catch (error) { console.error('更新工单失败:', error); this.showNotification('更新工单失败: ' + error.message, 'error'); }
@@ -447,7 +452,8 @@ Object.assign(TSPDashboard.prototype, {
                 document.getElementById('import-result').classList.remove('d-none');
                 document.getElementById('import-success-message').textContent = `成功导入 ${result.imported_count} 个工单`;
                 this.showNotification(result.message, 'success');
-                this.loadWorkOrders();
+                for (const key of this.cache.keys()) { if (key.startsWith('workorders')) this.cache.delete(key); }
+                this.loadWorkOrders(1, true);
                 setTimeout(() => { bootstrap.Modal.getInstance(document.getElementById('importWorkOrderModal')).hide(); }, 3000);
             } else { throw new Error(result.error || '导入工单失败'); }
         } catch (error) {