diff --git a/DeployDevice/src/func/liteOsUpgrade/liteOsUpgrade_RK3568_app.py b/DeployDevice/src/func/liteOsUpgrade/liteOsUpgrade_RK3568_app.py
index ecf6aa178bdf85d7485a65c1e08dd879e96ce2dd..326e26a195f0ab8b8b09bdcba2e0c4eeedbe0ebc 100644
--- a/DeployDevice/src/func/liteOsUpgrade/liteOsUpgrade_RK3568_app.py
+++ b/DeployDevice/src/func/liteOsUpgrade/liteOsUpgrade_RK3568_app.py
@@ -492,8 +492,8 @@ def outCmd(cmd, save_screenshot_path, base_screenshot_path, resource_path):
         logger.error(l)
     try:
         for i in l:
-            result = os.path.join(resource_path, "%s.png" % i)
-            base = os.path.join(base_screenshot_path, "%s.png" % i)
+            result = os.path.join(resource_path, "%s.jpeg" % i)
+            base = os.path.join(base_screenshot_path, "%s.jpeg" % i)
             shutil.copy(result, base)
     except Exception as t:
         logger.info(t)