diff --git a/source/common/os/install/doc.md b/source/common/os/install/doc.md
index 213b4ff..ffcc82e 100644
--- a/source/common/os/install/doc.md
+++ b/source/common/os/install/doc.md
@@ -12,13 +12,9 @@
 
 ## 开始
 
-* 新版Mini电脑请参考：
+  > 注意核对机型
 
-![](imgs/install_os.gif)
-
-* 旧版Mini电脑请参考：
-
-![](imgs/install_os_untill_2019_12_25.gif)
+![](imgs/install_os_complex.gif)
 
 ## 常见问题
 
diff --git a/source/common/os/install/imgs/install_os.gif b/source/common/os/install/imgs/install_os.gif
deleted file mode 100644
index 37cbff1..0000000
Binary files a/source/common/os/install/imgs/install_os.gif and /dev/null differ
diff --git a/source/common/os/install/imgs/install_os_complex.gif b/source/common/os/install/imgs/install_os_complex.gif
new file mode 100644
index 0000000..ae60db2
Binary files /dev/null and b/source/common/os/install/imgs/install_os_complex.gif differ
diff --git a/source/common/os/install/imgs/install_os_untill_2019_12_25.gif b/source/common/os/install/imgs/install_os_untill_2019_12_25.gif
deleted file mode 100644
index 3049f6e..0000000
Binary files a/source/common/os/install/imgs/install_os_untill_2019_12_25.gif and /dev/null differ
diff --git a/source/common/os/live/doc.md b/source/common/os/live/doc.md
index 5ac06b3..5e9b649 100644
--- a/source/common/os/live/doc.md
+++ b/source/common/os/live/doc.md
@@ -12,7 +12,9 @@
 
 ## 开始
 
-  ![](imgs/enter_live_os.gif)
+  > 注意核对机型
+
+![](imgs/enter_live_os.gif)
 
 * 接下来，请参考[引导修复](../boot_repir/doc.md)或[恢复用户数据](../restore_data/doc.md)
 ## 常见问题
diff --git a/source/common/os/live/imgs/enter_live_os.gif b/source/common/os/live/imgs/enter_live_os.gif
new file mode 100644
index 0000000..5a14cb3
Binary files /dev/null and b/source/common/os/live/imgs/enter_live_os.gif differ