diff --git a/app/api/process-document/route.ts b/app/api/process-document/route.ts
index b469f6f..e4c03fd 100644
--- a/app/api/process-document/route.ts
+++ b/app/api/process-document/route.ts
@@ -175,8 +175,8 @@ export async function POST(req: NextRequest) {
 
     // ✅ Définir l'URL AVANT de l'utiliser
     const presidioAnalyzerUrl =
-      "http://analyzer.151.80.20.211.sslip.io/analyze";
-
+      // "http://analyzer.151.80.20.211.sslip.io/analyze";
+      "http://localhost:5001/analyze";
     try {
       const analyzeResponse = await fetch(presidioAnalyzerUrl, {
         method: "POST",
@@ -213,7 +213,8 @@ export async function POST(req: NextRequest) {
 
       console.log("🔍 Appel à Presidio Anonymizer...");
       const presidioAnonymizerUrl =
-        "http://analyzer.151.80.20.211.sslip.io/anonymize";
+        //  "http://analyzer.151.80.20.211.sslip.io/anonymize";
+        "http://localhost:5001/anonymize";
 
       const anonymizeResponse = await fetch(presidioAnonymizerUrl, {
         method: "POST",
@@ -251,32 +252,45 @@ export async function POST(req: NextRequest) {
         analyzerResults: AnalyzerResult[]
       ) => {
         const replacementMap: Record<string, string> = {};
-    
+
         // Extraire tous les remplacements [XXX] du texte anonymisé
         const replacementPattern = /\[[^\]]+\]/g;
-        const foundReplacements = anonymizedText.match(replacementPattern) || [];
-        
-        console.log("🔍 Remplacements trouvés dans le texte anonymisé:", foundReplacements);
-        
+        const foundReplacements =
+          anonymizedText.match(replacementPattern) || [];
+
+        console.log(
+          "🔍 Remplacements trouvés dans le texte anonymisé:",
+          foundReplacements
+        );
+
         // Trier les entités par position
-        const sortedResults = [...analyzerResults].sort((a, b) => a.start - b.start);
-        
+        const sortedResults = [...analyzerResults].sort(
+          (a, b) => a.start - b.start
+        );
+
         // Associer chaque entité avec son remplacement correspondant
         sortedResults.forEach((result, index) => {
-          const originalValue = originalText.substring(result.start, result.end);
-          
+          const originalValue = originalText.substring(
+            result.start,
+            result.end
+          );
+
           if (index < foundReplacements.length) {
             // Utiliser le remplacement correspondant par ordre d'apparition
             replacementMap[originalValue] = foundReplacements[index];
-            console.log(`✅ Mapping ordonné: "${originalValue}" -> "${foundReplacements[index]}"`);
+            console.log(
+              `✅ Mapping ordonné: "${originalValue}" -> "${foundReplacements[index]}"`
+            );
           } else {
             // Fallback si pas assez de remplacements trouvés
             const fallbackValue = `[${result.entity_type.toUpperCase()}]`;
             replacementMap[originalValue] = fallbackValue;
-            console.log(`⚠️ Fallback: "${originalValue}" -> "${fallbackValue}"`);
+            console.log(
+              `⚠️ Fallback: "${originalValue}" -> "${fallbackValue}"`
+            );
           }
         });
-        
+
         console.log("🔧 Mapping final:", replacementMap);
         return replacementMap;
       };
diff --git a/app/components/InstructionsPanel.tsx b/app/components/InstructionsPanel.tsx
index 1c9c685..0f7b9de 100644
--- a/app/components/InstructionsPanel.tsx
+++ b/app/components/InstructionsPanel.tsx
@@ -11,8 +11,7 @@ export const InstructionsPanel: React.FC = () => {
           <ul className="space-y-1 text-blue-700">
             <li>• Survolez les mots pour les mettre en évidence</li>
             <li>
-              • Cliquez pour sélectionner un mot, Crtl + clic pour plusieurs
-              mots
+              • Cliquez pour sélectionner un mot, Ctrl/CMD (ou Shift) + clic.
             </li>
             <li>• Faites clic droit pour ouvrir le menu contextuel</li>
             <li>• Modifiez les labels et couleurs selon vos besoins</li>
diff --git a/app/components/InteractiveTextEditor.tsx b/app/components/InteractiveTextEditor.tsx
index f23ef4e..3ec2fa4 100644
--- a/app/components/InteractiveTextEditor.tsx
+++ b/app/components/InteractiveTextEditor.tsx
@@ -52,8 +52,11 @@ export const InteractiveTextEditor: React.FC<InteractiveTextEditorProps> = ({
     (index: number, event: React.MouseEvent) => {
       event.preventDefault();
       event.stopPropagation();
-
-      if (event.ctrlKey || event.metaKey) {
+  
+      // Support multi-sélection avec Ctrl, Cmd et Shift
+      const isMultiSelect = event.ctrlKey || event.metaKey || event.shiftKey;
+      
+      if (isMultiSelect) {
         setSelectedWords((prev) => {
           const newSet = new Set(prev);
           if (newSet.has(index)) {
diff --git a/app/components/TextDisplay.tsx b/app/components/TextDisplay.tsx
index a1dc2ff..dde8c50 100644
--- a/app/components/TextDisplay.tsx
+++ b/app/components/TextDisplay.tsx
@@ -70,11 +70,24 @@ export const TextDisplay: React.FC<TextDisplayProps> = ({
         className={className}
         style={{
           backgroundColor: backgroundColor,
+          userSelect: "none",
+          WebkitUserSelect: "none",
         }}
         onMouseEnter={() => onWordHover(index)}
         onMouseLeave={() => onWordHover(null)}
-        onClick={(e) => onWordClick(index, e)}
+        onClick={(e) => {
+          if (e.metaKey || e.ctrlKey || e.shiftKey) {
+            e.preventDefault();
+            e.stopPropagation();
+          }
+          onWordClick(index, e);
+        }}
         onContextMenu={onContextMenu}
+        onMouseDown={(e) => {
+          if (e.metaKey || e.ctrlKey || e.shiftKey) {
+            e.preventDefault();
+          }
+        }}
         title={
           word.isEntity
             ? `Entité: ${word.entityType} (Original: ${word.text})`
diff --git a/app/components/hooks/useContextMenu.ts b/app/components/hooks/useContextMenu.ts
index 49f279d..ca1a41d 100644
--- a/app/components/hooks/useContextMenu.ts
+++ b/app/components/hooks/useContextMenu.ts
@@ -162,11 +162,15 @@ export const useContextMenu = ({
       if (!contextMenu.selectedText) return;
 
       const originalText = contextMenu.selectedText;
-      const firstWordIndex = contextMenu.wordIndices[0];
+      const selectedIndices = contextMenu.wordIndices;
 
-      const clickedWord = words[firstWordIndex];
-      const wordStart = clickedWord?.start;
-      const wordEnd = clickedWord?.end;
+      // Calculer les positions de début et fin pour tous les mots sélectionnés
+      const sortedIndices = selectedIndices.sort((a, b) => a - b);
+      const firstWord = words[sortedIndices[0]];
+      const lastWord = words[sortedIndices[sortedIndices.length - 1]];
+      
+      const wordStart = firstWord?.start;
+      const wordEnd = lastWord?.end;
 
       const existingMapping = entityMappings.find(
         (m) => m.text === originalText
@@ -179,7 +183,9 @@ export const useContextMenu = ({
         text: originalText,
         label: displayName,
         entityType,
-        applyToAll
+        applyToAll,
+        wordIndices: selectedIndices,
+        positions: { start: wordStart, end: wordEnd }
       });
 
       onUpdateMapping(