diff --git a/wwwroot/api/workspace_open.dspy b/wwwroot/api/workspace_open.dspy
index 1ac1dfc..adb1779 100644
--- a/wwwroot/api/workspace_open.dspy
+++ b/wwwroot/api/workspace_open.dspy
@@ -32,6 +32,7 @@ text_exts = ['.md', '.py', '.js', '.html', '.css', '.json', '.txt', '.xml', '.ya
 video_exts = ['.mp4', '.m3u8', '.mpd', '.webm', '.mov', '.avi', '.mkv']
 audio_exts = ['.mp3', '.wav', '.aac', '.flac', '.m4a', '.ogg']
 image_exts = ['.png', '.jpg', '.jpeg', '.gif', '.svg', '.webp', '.bmp', '.ico']
+office_exts = ['.docx']  # 在线编辑（univer-office）。xlsx/ppt 后续接入 Univer sheet/slide 插件
 
 file_url = entire_url("/pipeline-sdlc/api/workspace_file.dspy") + "?id=" + quote(file_id)
 
@@ -78,13 +79,24 @@ if ext in image_exts:
     return {
         "widgettype": "PopupWindow",
         "options": {"title": name, "width": "70%", "height": "70%", "auto_open": True, "resizable": True},
-        "subwidgets": [{
-            "widgettype": "Image",
-            "options": {"url": file_url, "width": "100%", "height": "100%"}
-        }]
+        "subwidgets": [
+            {"widgettype": "Image",
+             "options": {"url": file_url, "width": "100%", "height": "100%"}}
+        ]
     }
 
-# 4. office/pdf 等 → 下载后用本地应用打开
+# 4. office 文档 → iframe 嵌入 univer-office 在线编辑
+if ext in office_exts:
+    univer_url = entire_url("/univer-office/") + "?file=" + quote(file_id)
+    return {
+        "widgettype": "PopupWindow",
+        "options": {"title": name + " (在线编辑)", "width": "85%", "height": "85%", "auto_open": True, "resizable": True},
+        "subwidgets": [
+            {"widgettype": "Iframe", "options": {"url": univer_url, "width": "100%", "height": "100%"}}
+        ]
+    }
+
+# 5. pdf 等 → 下载后用本地应用打开
 download_url = file_url + "&download=1"
 download_script = (
     "window.open(" + _json.dumps(download_url) + ",'_blank');"