diff --git a/Report_Viewer.html b/Report_Viewer.html
index 630da76..8a9747c 100644
--- a/Report_Viewer.html
+++ b/Report_Viewer.html
@@ -94,8 +94,8 @@
     <script>
         // 内置默认语言
         const defaultI18n = {
-            zh: { name: "简体中文", dropHint: "📂 <b>拖入</b>生成的文件到这里", clickHint: "或者 点击此处手动选择", labelMatch: "一致 (Match)", labelMismatch: "损坏 (Mismatch)", labelMissing: "缺失 (Missing)", labelExtra: "多余 (Extra)", btnExpand: "全部展开", btnCollapse: "全部收起", modeFull: "显示模式：完整清单", modeError: "显示模式：只看异常", loadSuccess: "✅ 已加载：", files: " 个文件", labelFiles: "切换文件：", selectPlaceholder: "--- 请选择已加载的报告 ---", btnPickDir: "📂 选择结果目录" },
-            en: { name: "English", dropHint: "📂 <b>Drag</b> your file here", clickHint: "or click to select manually", labelMatch: "Match", labelMismatch: "Mismatch", labelMissing: "Missing", labelExtra: "Extra", btnExpand: "Expand All", btnCollapse: "Collapse All", modeFull: "View: All Files", modeError: "View: Errors Only", loadSuccess: "✅ Loaded: ", files: " files", labelFiles: "Switch File:", selectPlaceholder: "--- Select a loaded report ---", btnPickDir: "📂 Open Directory" }
+            zh: { name: "简体中文", dropHint: "📂 <b>拖入</b>生成的文件到这里", clickHint: "或者 点击此处手动选择", labelMatch: "一致 (Match)", labelMismatch: "损坏 (Mismatch)", labelMissing: "缺失 (Missing)", labelExtra: "多余 (Extra)", btnExpand: "全部展开", btnCollapse: "全部收起", modeFull: "显示模式：完整清单", modeError: "显示模式：只看异常", loadSuccess: "✅ 已加载：", files: " 个文件", labelFiles: "切换文件：", selectPlaceholder: "--- 请选择已加载的报告 ---", btnPickDir: "📂 选择结果目录", loadComplete: "已成功加载 {n} 个报告文件。" },
+            en: { name: "English", dropHint: "📂 <b>Drag</b> your file here", clickHint: "or click to select manually", labelMatch: "Match", labelMismatch: "Mismatch", labelMissing: "Missing", labelExtra: "Extra", btnExpand: "Expand All", btnCollapse: "Collapse All", modeFull: "View: All Files", modeError: "View: Errors Only", loadSuccess: "✅ Loaded: ", files: " files", labelFiles: "Switch File:", selectPlaceholder: "--- Select a loaded report ---", btnPickDir: "📂 Open Directory", loadComplete: "Successfully loaded {n} report files." }
         };
 
         // 合并外部语言
@@ -110,7 +110,7 @@
             try {
                 const directoryHandle = await window.showDirectoryPicker();
                 const dropdown = document.getElementById('fileDropdown');
-                dropdown.innerHTML = `<option value="" disabled selected>${allI18n[currentLang].selectPlaceholder}</option>`;
+                dropdown.innerHTML = `<option value="" disabled selected id="t-select-placeholder">${allI18n[currentLang].selectPlaceholder}</option>`;
                 fileHandles = {};
                 
                 for await (const entry of directoryHandle.values()) {
@@ -122,7 +122,8 @@
                         dropdown.appendChild(opt);
                     }
                 }
-                alert(`已成功加载 ${Object.keys(fileHandles).length} 个报告文件。`);
+                const msg = allI18n[currentLang].loadComplete.replace('{n}', Object.keys(fileHandles).length);
+                alert(msg);
             } catch (err) {
                 if (err.name !== 'AbortError') {
                     console.error('选择目录失败:', err);
@@ -159,20 +160,28 @@
 
         function updateUI() {
             const t = allI18n[currentLang];
-            document.getElementById('t-drop-hint').innerHTML = t.dropHint;
-            document.getElementById('t-click-hint').innerText = t.clickHint;
-            document.getElementById('t-label-match').innerText = t.labelMatch;
-            document.getElementById('t-label-mismatch').innerText = t.labelMismatch;
-            document.getElementById('t-label-missing').innerText = t.labelMissing;
-            document.getElementById('t-label-extra').innerText = t.labelExtra;
-            document.getElementById('t-btn-expand').innerText = t.btnExpand;
-            document.getElementById('t-btn-collapse').innerText = t.btnCollapse;
-            document.getElementById('t-label-files').innerText = t.labelFiles;
-            document.getElementById('t-select-placeholder').innerText = t.selectPlaceholder;
-            document.getElementById('btnSelectDir').innerText = t.btnPickDir;
+            const setTxt = (id, txt, isHtml) => {
+                const el = document.getElementById(id);
+                if (el) isHtml ? el.innerHTML = txt : el.innerText = txt;
+            };
+
+            setTxt('t-drop-hint', t.dropHint, true);
+            setTxt('t-click-hint', t.clickHint);
+            setTxt('t-label-match', t.labelMatch);
+            setTxt('t-label-mismatch', t.labelMismatch);
+            setTxt('t-label-missing', t.labelMissing);
+            setTxt('t-label-extra', t.labelExtra);
+            setTxt('t-btn-expand', t.btnExpand);
+            setTxt('t-btn-collapse', t.btnCollapse);
+            setTxt('t-label-files', t.labelFiles);
+            setTxt('t-select-placeholder', t.selectPlaceholder);
+            setTxt('btnSelectDir', t.btnPickDir);
+
             const filterBtn = document.getElementById('toggleFilterBtn');
-            filterBtn.innerText = errorMode ? t.modeError : t.modeFull;
-            filterBtn.className = errorMode ? 'btn btn-danger' : 'btn btn-primary';
+            if (filterBtn) {
+                filterBtn.innerText = errorMode ? t.modeError : t.modeFull;
+                filterBtn.className = errorMode ? 'btn btn-danger' : 'btn btn-primary';
+            }
         }
 
         // --- Rclone 处理逻辑 ---
diff --git a/languages.js b/languages.js
index d3c3016..6451f43 100644
--- a/languages.js
+++ b/languages.js
@@ -13,6 +13,10 @@ window.externalI18n = {
         "modeFull": "Vista: Todos los archivos",
         "modeError": "Vista: Solo errores",
         "loadSuccess": "✅ Informe cargado: ",
-        "files": " archivos"
+        "files": " archivos",
+        "labelFiles": "Cambiar archivo:",
+        "selectPlaceholder": "--- Seleccione un informe ---",
+        "btnPickDir": "📂 Directorio de resultados",
+        "loadComplete": "Se han cargado {n} informes con éxito."
     }
-};
\ No newline at end of file
+};