diff --git a/bsp/stm32/stm32f107-uc-eval/Kconfig b/bsp/stm32/stm32f107-uc-eval/Kconfig
index 2b30840a3ebfa46b53ed2aaf36dcd83e1c7ce3dc..7a400db91f4a82292908c8b2b99e87e4193f78d0 100644
--- a/bsp/stm32/stm32f107-uc-eval/Kconfig
+++ b/bsp/stm32/stm32f107-uc-eval/Kconfig
@@ -1,16 +1,16 @@
 mainmenu "RT-Thread Configuration"
 
-config $BSP_DIR
+config BSP_DIR
     string
     option env="BSP_ROOT"
     default "."
 
-config $RTT_DIR
+config RTT_DIR
     string
     option env="RTT_ROOT"
     default "../../.."
 
-config $PKGS_DIR
+config PKGS_DIR
     string
     option env="PKGS_ROOT"
     default "packages"
diff --git a/bsp/stm32/stm32f107-uc-eval/SConstruct b/bsp/stm32/stm32f107-uc-eval/SConstruct
index c28354a99db6725b666ec6eee89d3d4100034b9d..05326b2b755fed11adc30f979ea01faf8bb5cfd6 100644
--- a/bsp/stm32/stm32f107-uc-eval/SConstruct
+++ b/bsp/stm32/stm32f107-uc-eval/SConstruct
@@ -27,7 +27,7 @@ env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
 if rtconfig.PLATFORM == 'iar':
     env.Replace(CCCOM = ['$CC $CCFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS -o $TARGET $SOURCES'])
     env.Replace(ARFLAGS = [''])
-    env.Replace(LINKCOM = ['$LINK $SOURCES $LINKFLAGS -o $TARGET --map rt-thread.map'])
+    env.Replace(LINKCOM = env["LINKCOM"] + ' --map rt-thread.map')
 
 Export('RTT_ROOT')
 Export('rtconfig')
diff --git a/bsp/stm32/stm32f107-uc-eval/applications/main.c b/bsp/stm32/stm32f107-uc-eval/applications/main.c
index f4970545b462feead671c551eaf80ee96a81e715..11587e49d03b83d48f60a1623cbecb7d98b03bda 100644
--- a/bsp/stm32/stm32f107-uc-eval/applications/main.c
+++ b/bsp/stm32/stm32f107-uc-eval/applications/main.c
@@ -12,7 +12,7 @@
 #include <rtthread.h>
 #include <rtdevice.h>
 #include <board.h>
-#include "drv_gpio.h"
+
 /* defined the LED1 pin: PD13 */
 #define LED1_PIN    GET_PIN(D, 13)
 
diff --git a/bsp/stm32/stm32f107-uc-eval/board/linker_scripts/link.icf b/bsp/stm32/stm32f107-uc-eval/board/linker_scripts/link.icf
index 531327479cf135a6299fe5865067af3a58357dd0..6d172ee8d82964647559b35cba10d3d39e51a44e 100644
--- a/bsp/stm32/stm32f107-uc-eval/board/linker_scripts/link.icf
+++ b/bsp/stm32/stm32f107-uc-eval/board/linker_scripts/link.icf
@@ -25,4 +25,4 @@ do not initialize  { section .noinit };
 place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };
 
 place in ROM_region   { readonly };
-place in RAM_region   { readwrite, last block CSTACK};
\ No newline at end of file
+place in RAM_region   { readwrite, last block CSTACK};