diff --git a/src-tauri/tauri.conf.json b/src-tauri/tauri.conf.json
index 32a22f5..81ce157 100644
--- a/src-tauri/tauri.conf.json
+++ b/src-tauri/tauri.conf.json
@@ -14,7 +14,8 @@
       {
         "title": "昆明大学生创业园展播系统",
         "width": 1200,
-        "height": 800
+        "height": 800,
+        "fullscreen": true
       }
     ],
     "security": {
diff --git a/src/pages/Admin.jsx b/src/pages/Admin.jsx
index e4e57c7..32c54b3 100644
--- a/src/pages/Admin.jsx
+++ b/src/pages/Admin.jsx
@@ -156,6 +156,7 @@ export default function Admin() {
   const [playState, setPlayState] = useState({ status: 'idle' });
   const [previewItem, setPreviewItem] = useState(null);
   const [toasts, setToasts] = useState([]);
+  const [uploadProgress, setUploadProgress] = useState(null);
   const toastIdRef = useRef(0);
   const volTimerRef = useRef(null);
 
@@ -259,10 +260,17 @@ export default function Admin() {
     const inp = document.getElementById('fileInput');
     const fileList = Array.from(inp.files);
     if (fileList.length === 0) { addToast('请选择文件', 'error'); return; }
-    await api.uploadFiles(fileList);
-    inp.value = '';
-    addToast('上传完成');
-    loadAll();
+    try {
+      setUploadProgress({ percent: 0, fileName: fileList[0].name, current: 1, total: fileList.length });
+      await api.uploadFilesWithProgress(fileList, setUploadProgress);
+      setUploadProgress(null);
+      inp.value = '';
+      addToast('上传完成');
+      loadAll();
+    } catch (err) {
+      setUploadProgress(null);
+      addToast(err.message || '上传失败', 'error');
+    }
   };
 
   const handleAddUrl = async () => {
@@ -403,8 +411,18 @@ export default function Admin() {
               <label>本地上传</label>
               <div className="form-row">
                 <input type="file" id="fileInput" accept=".mp4,.mkv,.avi,.jpg,.jpeg,.png" multiple />
-                <button className="btn-accent" onClick={handleUpload}>上传</button>
+                <button className="btn-accent" onClick={handleUpload} disabled={uploadProgress !== null}>上传</button>
               </div>
+              {uploadProgress && (
+                <div className="upload-progress">
+                  <div className="progress-bar">
+                    <div className="progress-fill" style={{ width: `${uploadProgress.percent}%` }}></div>
+                  </div>
+                  <span className="progress-text">
+                    {uploadProgress.fileName} ({uploadProgress.current}/{uploadProgress.total}) — {uploadProgress.percent}%
+                  </span>
+                </div>
+              )}
             </div>
             <div className="form-group">
               <label>远程 URL</label>
diff --git a/src/pages/Screen.jsx b/src/pages/Screen.jsx
index 5a22126..97a0b0a 100644
--- a/src/pages/Screen.jsx
+++ b/src/pages/Screen.jsx
@@ -381,6 +381,9 @@ export default function Screen() {
         <span className="sb-text">{currentItem ? `${index + 1} / ${list.length}` : '0 / 0'}</span>
       </div>
 
+      {/* Watermark */}                                                                                                            
+      <div className="watermark">云南派音人工智能科技提供技术支持</div>  
+
       {/* Sound Hint */}
       <div id="soundHint" style={{ display: soundBlocked && loaded ? 'block' : 'none' }} onClick={enableSound}>
         声音
diff --git a/src/styles/admin.css b/src/styles/admin.css
index 7e4cc3f..0fa3245 100644
--- a/src/styles/admin.css
+++ b/src/styles/admin.css
@@ -949,6 +949,37 @@ button { font-family: "Poppins", "PingFang SC", sans-serif; cursor: pointer; tra
   font-variant-numeric: tabular-nums;
 }
 
+/* ============ Upload Progress ============ */
+.upload-progress {
+  margin-top: var(--space-12);
+  display: flex;
+  align-items: center;
+  gap: var(--space-12);
+}
+.progress-bar {
+  flex: 1;
+  height: 6px;
+  background: rgba(0,0,0,0.06);
+  border-radius: 3px;
+  overflow: hidden;
+}
+.progress-fill {
+  height: 100%;
+  background: var(--primary);
+  border-radius: 3px;
+  transition: width 0.25s ease;
+  box-shadow: 0 0 8px rgba(0, 189, 125, 0.3);
+}
+.progress-text {
+  font-family: "JetBrains Mono", "SF Mono", "Consolas", monospace;
+  font-size: 11px;
+  font-weight: 500;
+  color: var(--text-dim);
+  white-space: nowrap;
+  flex-shrink: 0;
+  font-variant-numeric: tabular-nums;
+}
+
 /* ============ Responsive ============ */
 @media (max-width: 768px) {
   .login-card { padding: var(--space-24) var(--space-16) var(--space-32); margin: var(--space-12); max-width: none; }
diff --git a/src/styles/screen.css b/src/styles/screen.css
index a484898..f00a340 100644
--- a/src/styles/screen.css
+++ b/src/styles/screen.css
@@ -121,7 +121,7 @@
   inset: 0;
   width: 100vw;
   height: 100vh;
-  object-fit: contain;
+  object-fit: cover;
   background: transparent;
   z-index: 3;
 }
@@ -130,7 +130,7 @@
   inset: 0;
   width: 100vw;
   height: 100vh;
-  object-fit: contain;
+  object-fit: cover;
   background: transparent;
   z-index: 3;
   display: none;
@@ -429,3 +429,18 @@
   font-variant-numeric: tabular-nums;
   font-family: "SF Mono", "JetBrains Mono", "Consolas", monospace;
 }
+
+/* ============ Watermark ============ */
+.watermark {
+  position: fixed;
+  bottom: 28px;
+  left: 28px;
+  z-index: 100;
+  font-size: 10px;
+  font-weight: 400;
+  color: rgba(255,255,255,0.2);
+  letter-spacing: 0.08em;
+  pointer-events: none;
+  user-select: none;
+  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
+}
diff --git a/src/utils/api.js b/src/utils/api.js
index 38f09b6..15cceac 100644
--- a/src/utils/api.js
+++ b/src/utils/api.js
@@ -59,7 +59,46 @@ export async function uploadFiles(files) {
   for (const file of files) {
     const fd = new FormData();
     fd.append('file', file);
-    await fetch(`${BASE}/upload`, { method: 'POST', body: fd });
+    const res = await fetch(`${BASE}/upload`, { method: 'POST', body: fd });
+    if (!res.ok) throw new Error(`上传失败 (${res.status})`);
+  }
+}
+
+export async function uploadFilesWithProgress(files, onProgress) {
+  for (let i = 0; i < files.length; i++) {
+    const file = files[i];
+    await new Promise((resolve, reject) => {
+      const xhr = new XMLHttpRequest();
+      xhr.open('POST', `${BASE}/upload`);
+
+      xhr.upload.onprogress = (e) => {
+        if (e.lengthComputable) {
+          onProgress({
+            percent: Math.round((e.loaded / e.total) * 100),
+            loaded: e.loaded,
+            total: e.total,
+            fileName: file.name,
+            current: i + 1,
+            total: files.length,
+          });
+        }
+      };
+
+      xhr.onload = () => {
+        if (xhr.status >= 200 && xhr.status < 300) {
+          resolve();
+        } else {
+          reject(new Error(`上传失败 (${xhr.status})`));
+        }
+      };
+
+      xhr.onerror = () => reject(new Error('网络错误，请检查连接'));
+      xhr.ontimeout = () => reject(new Error('上传超时'));
+
+      const fd = new FormData();
+      fd.append('file', file);
+      xhr.send(fd);
+    });
   }
 }