diff --git a/doc/development_android_GPU.md b/doc/development_android_GPU.md
index 2c8336104e96991ec99d0c0676c954293a919bb2..a3fb7dd1dd10cbe10803448be9772770e7c4d033 100644
--- a/doc/development_android_GPU.md
+++ b/doc/development_android_GPU.md
@@ -73,3 +73,5 @@ export LD_LIBRARY_PATH=.
   1线程：90ms
   2线程：50ms
   4线程：29ms
+  
+ 备注: GPU 在打开log之后, 会大幅增加性能开销,测试benchmark请关闭CmakeList中Log选项