diff --git a/apps/web/src/components/Copilot/CopilotAlert.tsx b/apps/web/src/components/Copilot/CopilotAlert.tsx
index 343e011..188606d 100644
--- a/apps/web/src/components/Copilot/CopilotAlert.tsx
+++ b/apps/web/src/components/Copilot/CopilotAlert.tsx
@@ -19,8 +19,8 @@ export function CopilotAlert() {
     setLoading(true);
     try {
       const res = await listAlerts({ page_size: 50 });
-      const result = res.data as unknown as { items: CopilotInsight[]; total: number };
-      setAlerts(result.items ?? []);
+      const payload = (res.data as { data?: CopilotInsight[] }).data ?? [];
+      setAlerts(payload);
     } catch {
       // 静默
     } finally {
diff --git a/apps/web/src/components/Copilot/useCopilotInsights.ts b/apps/web/src/components/Copilot/useCopilotInsights.ts
index e194a21..5f319b5 100644
--- a/apps/web/src/components/Copilot/useCopilotInsights.ts
+++ b/apps/web/src/components/Copilot/useCopilotInsights.ts
@@ -12,9 +12,10 @@ export function useCopilotInsights(patientId: string | undefined) {
     setLoading(true);
     try {
       const res = await listInsights({ patient_id: patientId, page_size: 20 });
-      const result = res.data as unknown as { items: CopilotInsight[]; total: number };
-      setData(result.items ?? []);
-      setTotal(result.total ?? 0);
+      const payload = (res.data as { data?: CopilotInsight[]; total?: number }).data ?? [];
+      const total = (res.data as { total?: number }).total ?? 0;
+      setData(payload);
+      setTotal(total);
     } catch {
       // 静默失败
     } finally {
diff --git a/apps/web/src/components/Copilot/useCopilotRisk.ts b/apps/web/src/components/Copilot/useCopilotRisk.ts
index c258127..26becd9 100644
--- a/apps/web/src/components/Copilot/useCopilotRisk.ts
+++ b/apps/web/src/components/Copilot/useCopilotRisk.ts
@@ -13,7 +13,8 @@ export function useCopilotRisk(patientId: string | undefined) {
     setError(null);
     try {
       const res = await getPatientRisk(patientId);
-      setData(res.data as unknown as RiskScore);
+      const payload = (res.data as { data?: RiskScore }).data ?? null;
+      setData(payload);
     } catch (err) {
       setError(err instanceof Error ? err.message : '加载风险评分失败');
     } finally {
diff --git a/crates/erp-ai/src/copilot/rules.rs b/crates/erp-ai/src/copilot/rules.rs
index 3fe59eb..f824297 100644
--- a/crates/erp-ai/src/copilot/rules.rs
+++ b/crates/erp-ai/src/copilot/rules.rs
@@ -122,7 +122,7 @@ fn compare_f64(a: &Value, b: &Value) -> std::cmp::Ordering {
 fn value_to_f64(v: &Value) -> f64 {
     v.as_f64()
         .or_else(|| v.as_i64().map(|n| n as f64))
-        .unwrap_or(0.0)
+        .unwrap_or(f64::NAN)
 }
 
 /// 规则数据：(id, name, condition_expr, score, severity, suggestion)
diff --git a/crates/erp-ai/src/event/copilot_consumer.rs b/crates/erp-ai/src/event/copilot_consumer.rs
index fdcc5d5..f49fe48 100644
--- a/crates/erp-ai/src/event/copilot_consumer.rs
+++ b/crates/erp-ai/src/event/copilot_consumer.rs
@@ -81,6 +81,11 @@ async fn process_event(db: &sea_orm::DatabaseConnection, event: &erp_core::event
                 .as_str()
                 .unwrap_or("异常告警")
                 .to_string();
+            // 只传内层 content，避免重复存储顶层元数据
+            let content = insight_data
+                .get("content")
+                .cloned()
+                .unwrap_or(insight_data.clone());
             let _ = crate::service::insight_service::InsightService::create_insight(
                 db,
                 tenant_id,
@@ -89,7 +94,7 @@ async fn process_event(db: &sea_orm::DatabaseConnection, event: &erp_core::event
                 "rule".into(),
                 Some(severity),
                 title,
-                insight_data,
+                content,
                 None,
                 168, // 7 天过期
                 None,
diff --git a/crates/erp-ai/src/handler/risk_handler.rs b/crates/erp-ai/src/handler/risk_handler.rs
index cc4f254..0dd87ac 100644
--- a/crates/erp-ai/src/handler/risk_handler.rs
+++ b/crates/erp-ai/src/handler/risk_handler.rs
@@ -16,12 +16,21 @@ where
 {
     require_permission(&ctx, "copilot.risk.view")?;
 
+    // 动态选择第一个可用的 AI 提供商（优先 ollama，其次其他）
+    let provider_name = state
+        .provider_registry
+        .provider_names()
+        .into_iter()
+        .find(|n| n == "ollama")
+        .or_else(|| state.provider_registry.provider_names().into_iter().next())
+        .unwrap_or_default();
+
     let risk = crate::service::risk_service::RiskService::compute_risk_with_llm(
         &state.db,
         ctx.tenant_id,
         patient_id,
         &state.provider_registry,
-        "ollama",
+        &provider_name,
     )
     .await?;
 
diff --git a/crates/erp-ai/src/handler/rule_handler.rs b/crates/erp-ai/src/handler/rule_handler.rs
index 0feb600..5f2eed7 100644
--- a/crates/erp-ai/src/handler/rule_handler.rs
+++ b/crates/erp-ai/src/handler/rule_handler.rs
@@ -127,3 +127,31 @@ where
     let result = active.update(&state.db).await?;
     Ok(Json(ApiResponse::ok(result)))
 }
+
+pub async fn delete_rule<S>(
+    State(state): State<AiState>,
+    Extension(ctx): Extension<TenantContext>,
+    Path(rule_id): Path<uuid::Uuid>,
+) -> Result<Json<ApiResponse<serde_json::Value>>, erp_core::error::AppError>
+where
+    AiState: FromRef<S>,
+    S: Clone + Send + Sync + 'static,
+{
+    require_permission(&ctx, "copilot.rules.manage")?;
+
+    let model = copilot_rules::Entity::find()
+        .filter(copilot_rules::Column::Id.eq(rule_id))
+        .filter(copilot_rules::Column::TenantId.eq(ctx.tenant_id))
+        .filter(copilot_rules::Column::DeletedAt.is_null())
+        .one(&state.db)
+        .await?
+        .ok_or_else(|| erp_core::error::AppError::NotFound("Copilot 规则".into()))?;
+
+    let mut active: copilot_rules::ActiveModel = model.into();
+    active.deleted_at = Set(Some(chrono::Utc::now()));
+    active.updated_at = Set(chrono::Utc::now());
+    active.updated_by = Set(Some(ctx.user_id));
+    active.update(&state.db).await?;
+
+    Ok(Json(ApiResponse::ok(serde_json::json!({"deleted": true}))))
+}
diff --git a/crates/erp-ai/src/module.rs b/crates/erp-ai/src/module.rs
index c0cb87c..581795c 100644
--- a/crates/erp-ai/src/module.rs
+++ b/crates/erp-ai/src/module.rs
@@ -315,6 +315,8 @@ impl ErpModule for AiModule {
         // 每日凌晨 2:00 批量刷新所有在管患者风险快照
         let refresh_db = ctx.db.clone();
         tokio::spawn(async move {
+            // 首次执行延迟到下一个凌晨 2:00（简单实现：延迟 6 小时后开始 24h 周期）
+            tokio::time::sleep(std::time::Duration::from_secs(6 * 3600)).await;
             let mut interval = tokio::time::interval(std::time::Duration::from_secs(86400));
             loop {
                 interval.tick().await;
@@ -471,5 +473,9 @@ impl AiModule {
                 "/copilot/rules/{id}",
                 axum::routing::put(crate::handler::rule_handler::update_rule),
             )
+            .route(
+                "/copilot/rules/{id}",
+                axum::routing::delete(crate::handler::rule_handler::delete_rule),
+            )
     }
 }
diff --git a/crates/erp-ai/src/service/risk_service.rs b/crates/erp-ai/src/service/risk_service.rs
index ca1d913..3558ed0 100644
--- a/crates/erp-ai/src/service/risk_service.rs
+++ b/crates/erp-ai/src/service/risk_service.rs
@@ -46,6 +46,20 @@ impl RiskService {
     ) -> AppResult<RiskScore> {
         let rules = Self::load_rules(db, tenant_id).await?;
         let patient_data = Self::load_patient_data(db, tenant_id, patient_id).await?;
+
+        // 数据为空时返回低风险，不写入快照（避免虚假评分）
+        if patient_data.as_object().is_none_or(|m| m.is_empty()) {
+            tracing::debug!(
+                patient_id = %patient_id,
+                "患者数据为空，跳过风险评分写入"
+            );
+            return Ok(RiskScore {
+                score: 0,
+                level: "low".into(),
+                matched_rules: vec![],
+            });
+        }
+
         let risk = CopilotEngine::assess_patient(&rules, &patient_data);
 
         // LLM 补充分析（不阻塞，失败静默降级）