diff --git a/.manus/db/db-query-1767954409077.json b/.manus/db/db-query-1767954409077.json
new file mode 100644
index 0000000..28f1ea8
--- /dev/null
+++ b/.manus/db/db-query-1767954409077.json
@@ -0,0 +1,45 @@
+{
+  "query": "SELECT id, supplierName, invoiceNumber, fileUrl, qualityScore FROM invoices LIMIT 5;",
+  "command": "mysql --batch --raw --column-names --default-character-set=utf8mb4 --host gateway02.us-east-1.prod.aws.tidbcloud.com --port 4000 --user 4CrrYuB5tme73Qo.bd4328423008 --database fo4DRyBgjsuiigFAgNLuWm --execute SELECT id, supplierName, invoiceNumber, fileUrl, qualityScore FROM invoices LIMIT 5;",
+  "rows": [
+    {
+      "id": "1",
+      "supplierName": "Baxter S.A.S.",
+      "invoiceNumber": "25076822",
+      "fileUrl": "/storage/2026-01/1-FSrFmQSC-FACTURES FOURNISSEURS.pdf",
+      "qualityScore": "100"
+    },
+    {
+      "id": "2",
+      "supplierName": "Boehringer Ingelheim France",
+      "invoiceNumber": "5061124527",
+      "fileUrl": "/storage/2026-01/1-FSrFmQSC-FACTURES FOURNISSEURS.pdf",
+      "qualityScore": "100"
+    },
+    {
+      "id": "3",
+      "supplierName": "Baxter S.A.S.",
+      "invoiceNumber": "25075432",
+      "fileUrl": "/storage/2026-01/1-FSrFmQSC-FACTURES FOURNISSEURS.pdf",
+      "qualityScore": "100"
+    },
+    {
+      "id": "4",
+      "supplierName": "LABORATOIRES BOUCHARA - RECORDATI",
+      "invoiceNumber": "1294153",
+      "fileUrl": "/storage/2026-01/1-FSrFmQSC-FACTURES FOURNISSEURS.pdf",
+      "qualityScore": "95"
+    },
+    {
+      "id": "5",
+      "supplierName": "Bristol Myers Squibb",
+      "invoiceNumber": "2900929593",
+      "fileUrl": "/storage/2026-01/1-FSrFmQSC-FACTURES FOURNISSEURS.pdf",
+      "qualityScore": "100"
+    }
+  ],
+  "messages": [],
+  "stdout": "id\tsupplierName\tinvoiceNumber\tfileUrl\tqualityScore\n1\tBaxter S.A.S.\t25076822\t/storage/2026-01/1-FSrFmQSC-FACTURES FOURNISSEURS.pdf\t100\n2\tBoehringer Ingelheim France\t5061124527\t/storage/2026-01/1-FSrFmQSC-FACTURES FOURNISSEURS.pdf\t100\n3\tBaxter S.A.S.\t25075432\t/storage/2026-01/1-FSrFmQSC-FACTURES FOURNISSEURS.pdf\t100\n4\tLABORATOIRES BOUCHARA - RECORDATI\t1294153\t/storage/2026-01/1-FSrFmQSC-FACTURES FOURNISSEURS.pdf\t95\n5\tBristol Myers Squibb\t2900929593\t/storage/2026-01/1-FSrFmQSC-FACTURES FOURNISSEURS.pdf\t100\n",
+  "stderr": "",
+  "execution_time_ms": 109
+}
\ No newline at end of file
diff --git a/client/src/pages/Invoices.tsx b/client/src/pages/Invoices.tsx
index df599f1..81f965f 100644
--- a/client/src/pages/Invoices.tsx
+++ b/client/src/pages/Invoices.tsx
@@ -14,7 +14,7 @@ import {
   TableRow,
 } from "@/components/ui/table";
 import { trpc } from "@/lib/trpc";
-import { Search, FileText, Download, FileSpreadsheet } from "lucide-react";
+import { Search, FileText, Download, FileSpreadsheet, Trash2 } from "lucide-react";
 import * as XLSX from 'xlsx';
 import { toast } from "sonner";
 import { useLocation } from "wouter";
@@ -204,6 +204,27 @@ export default function Invoices() {
               <Download className="w-4 h-4 mr-2" />
               PDF ({selectedIds.length})
             </Button>
+            <Button
+              onClick={async () => {
+                if (confirm(`Voulez-vous vraiment supprimer ${selectedIds.length} facture(s) ?`)) {
+                  try {
+                    for (const id of selectedIds) {
+                      await utils.client.invoices.delete.mutate({ id });
+                    }
+                    toast.success(`${selectedIds.length} facture(s) supprimée(s)`);
+                    setSelectedIds([]);
+                    utils.invoices.list.invalidate();
+                  } catch (error: any) {
+                    toast.error(error.message || "Erreur lors de la suppression");
+                  }
+                }
+              }}
+              disabled={selectedIds.length === 0}
+              variant="destructive"
+            >
+              <Trash2 className="w-4 h-4 mr-2" />
+              Supprimer ({selectedIds.length})
+            </Button>
             <Button onClick={() => setLocation("/upload")}>
               <FileText className="w-4 h-4 mr-2" />
               Importer
diff --git a/todo.md b/todo.md
index 7755fc1..f0275b1 100644
--- a/todo.md
+++ b/todo.md
@@ -102,3 +102,10 @@
 - [x] Corriger la route exportToPdf pour retourner les bonnes URLs
 - [x] Modifier le code client pour ouvrir les PDFs dans de nouveaux onglets
 - [x] Ajouter un délai entre chaque ouverture pour éviter le blocage des popups
+
+## Correction erreur 404 PDF
+- [x] Vérifier la configuration Express pour servir les fichiers statiques
+- [x] Vérifier les URLs générées pour les fichiers PDF
+- [x] Identifier que les fichiers n'ont pas été stockés lors de l'import initial
+- [x] Ajouter bouton "Supprimer" pour supprimer les factures sélectionnées
+- [x] Créer le dossier storage pour le stockage local