diff --git a/.travis.yml b/.travis.yml
index 85a99d28..c93c880b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,7 +14,7 @@ before_install:
 
 
 script:
-  -  cd board/TencentOS_tiny_EVB_MX/GCC/hello_world
+  -  cd board/TencentOS_tiny_EVB_MX_Plus/GCC/hello_world
   -  make
 
 
diff --git a/board/TencentOS_tiny_EVB_MX_Plus/GCC/hello_world/Makefile b/board/TencentOS_tiny_EVB_MX_Plus/GCC/hello_world/Makefile
index b9909d82..ec1991be 100644
--- a/board/TencentOS_tiny_EVB_MX_Plus/GCC/hello_world/Makefile
+++ b/board/TencentOS_tiny_EVB_MX_Plus/GCC/hello_world/Makefile
@@ -58,6 +58,7 @@ HAL_DRIVER_SRC =  \
 		$(TOP_DIR)/board/TencentOS_tiny_EVB_MX_Plus/BSP/Src/i2c.c \
 		$(TOP_DIR)/board/TencentOS_tiny_EVB_MX_Plus/BSP/Src/usart.c \
 		$(TOP_DIR)/board/TencentOS_tiny_EVB_MX_Plus/BSP/Src/spi.c \
+		$(TOP_DIR)/board/TencentOS_tiny_EVB_MX_Plus/BSP/Src/tim.c \
 		$(TOP_DIR)/board/TencentOS_tiny_EVB_MX_Plus/BSP/Src/stm32l4xx_it.c \
 		$(TOP_DIR)/board/TencentOS_tiny_EVB_MX_Plus/BSP/Src/stm32l4xx_hal_msp.c \
 		$(TOP_DIR)/board/TencentOS_tiny_EVB_MX_Plus/BSP/Hardware/DHT11/DHT11_BUS.c \