diff --git a/components/cplusplus/crt_init.c b/components/cplusplus/crt_init.c
index 12c92dc6fb..6a05b00de9 100755
--- a/components/cplusplus/crt_init.c
+++ b/components/cplusplus/crt_init.c
@@ -82,3 +82,4 @@ int cplusplus_system_init(void)
     return 0;
 }
 INIT_COMPONENT_EXPORT(cplusplus_system_init);
+