diff --git a/paddle/fluid/inference/CMakeLists.txt b/paddle/fluid/inference/CMakeLists.txt
index 73a589664ec4b7b39358811bab219c0283e8b098..3c3a7da1031732a372c54da72a46db8ee0d1a8dd 100644
--- a/paddle/fluid/inference/CMakeLists.txt
+++ b/paddle/fluid/inference/CMakeLists.txt
@@ -17,6 +17,7 @@ get_property(fluid_modules GLOBAL PROPERTY FLUID_MODULES)
 # paddle_fluid_origin exclude inference api interface
 cc_library(paddle_fluid_origin DEPS ${fluid_modules} paddle_fluid_api)
 
+# fix macos compile error
 add_subdirectory(api)
 
 # Create static library