perf[Lang]: make up for miss keywords

src/lang/en.js

@@ -58,6 +58,7 @@ export default {
     selectExcel: 'Export Selected',
     uploadExcel: 'Upload Excel',
     zip: 'Zip',
+    pdf: 'PDF',
     exportZip: 'Export Zip',
     theme: 'Theme',
     clipboardDemo: 'Clipboard',

src/lang/es.js

@@ -58,6 +58,7 @@ export default {
     selectExcel: 'Export seleccionado',
     uploadExcel: 'Subir Excel',
     zip: 'Zip',
+    pdf: 'PDF',
     exportZip: 'Exportar a Zip',
     theme: 'Tema',
     clipboardDemo: 'Clipboard',

src/lang/zh.js

@@ -58,6 +58,7 @@ export default {
     selectExcel: 'Export Selected',
     uploadExcel: 'Upload Excel',
     zip: 'Zip',
+    pdf: 'PDF',
     exportZip: 'Export Zip',
     theme: '换肤',
     clipboardDemo: 'Clipboard',

src/router/index.js

@@ -297,13 +297,13 @@ export const asyncRouterMap = [
     path: '/pdf',
     component: Layout,
     redirect: '/pdf/index',
-    meta: { title: 'PDF', icon: 'pdf' },
+    meta: { title: 'pdf', icon: 'pdf' },
     children: [
       {
         path: 'index',
         component: () => import('@/views/pdf/index'),
         name: 'PDF',
-        meta: { title: 'PDF' }
+        meta: { title: 'pdf' }
       }
     ]
   },