diff --git a/cocos/base/CCDirector.cpp b/cocos/base/CCDirector.cpp
index f72907aa2e..54016e6009 100644
--- a/cocos/base/CCDirector.cpp
+++ b/cocos/base/CCDirector.cpp
@@ -971,6 +971,7 @@ void Director::purgeDirector()
 #pragma warning (push)
 #pragma warning (disable: 4996)
 #endif
+//it will crash clang static analyzer so hide it if __clang_analyzer__ defined
 #ifndef __clang_analyzer__
     DrawPrimitives::free();
 #endif
diff --git a/cocos/deprecated/CCDeprecated.cpp b/cocos/deprecated/CCDeprecated.cpp
index 11d544b77f..5a3c2acee0 100644
--- a/cocos/deprecated/CCDeprecated.cpp
+++ b/cocos/deprecated/CCDeprecated.cpp
@@ -87,6 +87,7 @@ void ccDrawInit()
 
 void ccDrawFree()
 {
+//it will crash clang static analyzer so hide it if __clang_analyzer__ defined
 #ifndef __clang_analyzer__
     DrawPrimitives::free();
 #endif