diff --git a/bsp/stm32/stm32l412-st-nucleo/figures/board.jpg b/bsp/stm32/stm32l412-st-nucleo/figures/board.jpg
index e21bbd9343..e2029fd020 100644
Binary files a/bsp/stm32/stm32l412-st-nucleo/figures/board.jpg and b/bsp/stm32/stm32l412-st-nucleo/figures/board.jpg differ
diff --git a/bsp/stm32/stm32l412-st-nucleo/rtconfig.py b/bsp/stm32/stm32l412-st-nucleo/rtconfig.py
index ab166e687d..ad5c811ba7 100644
--- a/bsp/stm32/stm32l412-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32l412-st-nucleo/rtconfig.py
@@ -17,8 +17,7 @@ if os.getenv('RTT_ROOT'):
 # EXEC_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR
 if  CROSS_TOOL == 'gcc':
     PLATFORM    = 'gcc'
-    #EXEC_PATH   = r'C:\Users\XXYYZZ'
-    EXEC_PATH   = r'/home/rudy/opt/gcc-arm-none-eabi-7-2017-q4-major/bin/'
+    EXEC_PATH   = r'C:\Users\XXYYZZ'
 elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
@@ -58,7 +57,7 @@ if PLATFORM == 'gcc':
     else:
         CFLAGS += ' -O2'
 
-    CXXFLAGS = CFLAGS 
+    CXXFLAGS = CFLAGS
 
     POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
 
@@ -89,7 +88,7 @@ elif PLATFORM == 'armcc':
     else:
         CFLAGS += ' -O2'
 
-    CXXFLAGS = CFLAGS 
+    CXXFLAGS = CFLAGS
     CFLAGS += ' -std=c99'
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
@@ -139,6 +138,13 @@ elif PLATFORM == 'iar':
     LFLAGS += ' --entry __iar_program_start'
 
     CXXFLAGS = CFLAGS
-    
+
     EXEC_PATH = EXEC_PATH + '/arm/bin/'
     POST_ACTION = 'ielftool --bin $TARGET rtthread.bin'
+
+def dist_handle(BSP_ROOT):
+    import sys
+    cwd_path = os.getcwd()
+    sys.path.append(os.path.join(os.path.dirname(BSP_ROOT), 'tools'))
+    from sdk_dist import dist_do_building
+    dist_do_building(BSP_ROOT)