修改提示

frontend/src/pages/PolicyLibrary/index.jsx

@@ -268,7 +268,7 @@ function Directory({
                             ) : (
                                 <div className="w-full h-full flex items-center justify-center">
                                     <p className="text-white text-opacity-40 text-sm font-medium">
-                                        No Documents
+                                        暂无文件
                                     </p>
                                 </div>
                             )}