diff --git a/apps/web/src/pages/health/ConsultationDetail.tsx b/apps/web/src/pages/health/ConsultationDetail.tsx
index 4cdb680..2bb73a4 100644
--- a/apps/web/src/pages/health/ConsultationDetail.tsx
+++ b/apps/web/src/pages/health/ConsultationDetail.tsx
@@ -120,7 +120,8 @@ export default function ConsultationDetail() {
     pollRef.current = setInterval(async () => {
       if (!sessionId) return;
       try {
-        const lastId = messages.length > 0 ? messages[messages.length - 1].id : undefined;
+        const realMsgs = messages.filter((m) => !m.id.startsWith('temp_'));
+        const lastId = realMsgs.length > 0 ? realMsgs[realMsgs.length - 1].id : undefined;
         const result = await consultationApi.listMessages(sessionId, {
           page: 1,
           page_size: 50,
diff --git a/crates/erp-health/src/service/stats_service.rs b/crates/erp-health/src/service/stats_service.rs
index c0cfc18..f97de36 100644
--- a/crates/erp-health/src/service/stats_service.rs
+++ b/crates/erp-health/src/service/stats_service.rs
@@ -386,7 +386,7 @@ async fn count_abnormal_lab_items(
                 (SELECT jsonb_agg(elem) FROM jsonb_array_elements(items) elem WHERE elem->>'is_abnormal' = 'true'),
                 '[]'::jsonb
             )
-        )), 0) AS total
+        )), 0::bigint) AS total
         FROM lab_report
         WHERE tenant_id = $1 AND deleted_at IS NULL AND items IS NOT NULL
           AND created_at >= date_trunc('month', NOW())
@@ -446,7 +446,7 @@ async fn compute_daily_report_rate(
     let sql = r#"
         SELECT d::date::text AS date,
                COUNT(DISTINCT vs.patient_id) AS reported,
-               0 AS total
+               0::bigint AS total
         FROM generate_series(
             CURRENT_DATE - INTERVAL '6 days',
             CURRENT_DATE,