diff --git a/docs-en/quick-start/developing-the-second-example-program-running-on-hi3861.md b/docs-en/quick-start/developing-the-second-example-program-running-on-hi3861.md
index c82d96ac64189bb382d1c1b8ad05440e7692c4c8..7277d0ec3ffc0de0b82c7f062045f1e2639f97b5 100755
--- a/docs-en/quick-start/developing-the-second-example-program-running-on-hi3861.md
+++ b/docs-en/quick-start/developing-the-second-example-program-running-on-hi3861.md
@@ -29,6 +29,7 @@ The source code needs to be modified when fixing bugs or compiling a new service
     Create the service entry function  **HelloWorld**  in  **hello\_world.c**  and implement service logic. Use the SYS\_RUN\(\) of the OpenHarmony  **bootstrap**  module to start services. \(**SYS\_RUN**  is defined in the  **ohos\_init.h**  file.\)
 
     ```
+	#include <stdio.h> 
     #include "ohos_init.h"
     #include "ohos_types.h"
     
diff --git "a/quick-start/Hi3861\345\274\200\345\217\221\346\235\277\347\254\254\344\272\214\344\270\252\347\244\272\344\276\213\347\250\213\345\272\217.md" "b/quick-start/Hi3861\345\274\200\345\217\221\346\235\277\347\254\254\344\272\214\344\270\252\347\244\272\344\276\213\347\250\213\345\272\217.md"
index 68b2b68a5ef80c3d80f92f92581eb5b22674d384..0e69c58d5a60dab29cb95285ec53e43d880fc2c0 100755
--- "a/quick-start/Hi3861\345\274\200\345\217\221\346\235\277\347\254\254\344\272\214\344\270\252\347\244\272\344\276\213\347\250\213\345\272\217.md"
+++ "b/quick-start/Hi3861\345\274\200\345\217\221\346\235\277\347\254\254\344\272\214\344\270\252\347\244\272\344\276\213\347\250\213\345\272\217.md"
@@ -29,6 +29,7 @@ bugfix和新增业务两种情况，涉及源码修改。下面以新增业务
     在hello\_world.c中新建业务入口函数HelloWorld，并实现业务逻辑。并在代码最下方，使用OpenHarmony启动恢复模块接口SYS\_RUN\(\)启动业务。（SYS\_RUN定义在ohos\_init.h文件中）
 
     ```
+	#include <stdio.h> 
     #include "ohos_init.h"
     #include "ohos_types.h"