diff --git a/doc/development_arm_linux.md b/doc/development_arm_linux.md
index 5f6316beb91222afac8eca7dffa157d007608d45..a30aa1f2c13e42ccde02a2822c69c38fbe474a79 100644
--- a/doc/development_arm_linux.md
+++ b/doc/development_arm_linux.md
@@ -1,6 +1,6 @@
 # ARM Linux开发文档
 
-在ARM Linux如Raspberrypi3，或Firefly-RK3399上编译paddle-mobile。
+在ARM Linux如Raspberrypi3，或Firefly-RK3399上编译paddle-mobile（**注：暂不支持ARM Linux GPU**）。
 
 ## 预先安装