diff --git a/operator/ascendc/tutorials/HelloWorldSample/main.cpp b/operator/ascendc/tutorials/HelloWorldSample/main.cpp
index a8b79d592bd0821ebac929dc7634e4c083790706..f19da81a3971b4ac5abf7e7adb738dd8b00e8c74 100644
--- a/operator/ascendc/tutorials/HelloWorldSample/main.cpp
+++ b/operator/ascendc/tutorials/HelloWorldSample/main.cpp
@@ -7,6 +7,7 @@
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  */
+ #include "chen.h"
 #include "acl/acl.h"
 extern void hello_world_do(uint32_t coreDim, void *stream);