diff --git a/bsp/at91sam9260/rtconfig.py b/bsp/at91sam9260/rtconfig.py
index 6298195779a38406ed4c68d7c63214f08f99afe2..e2fd4e5662c221b233ac88b2b2fde2a3ea2d92b7 100755
--- a/bsp/at91sam9260/rtconfig.py
+++ b/bsp/at91sam9260/rtconfig.py
@@ -15,7 +15,7 @@ if  CROSS_TOOL == 'gcc':
 	EXEC_PATH 	= '/opt/arm-2010q1/bin/'
 elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armcc'
-	EXEC_PATH 	= 'E:/Keil'
+	EXEC_PATH 	= 'C:/Keil'
 elif CROSS_TOOL == 'iar':
     print '================ERROR============================'
     print 'Not support yet!'
diff --git a/bsp/lm3s8962/rtconfig.py b/bsp/lm3s8962/rtconfig.py
index 8c04ba5b747e773e0ae3f1efd1d1426286921d35..c32a38a222cc7e6b0a740f351a146c16e32f937c 100644
--- a/bsp/lm3s8962/rtconfig.py
+++ b/bsp/lm3s8962/rtconfig.py
@@ -16,7 +16,7 @@ if  CROSS_TOOL == 'gcc':
 	EXEC_PATH 	= 'E:/Program Files/CodeSourcery/Sourcery G++ Lite/bin'
 elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armcc'
-	EXEC_PATH 	= 'E:/Keil'
+	EXEC_PATH 	= 'C:/Keil'
 elif CROSS_TOOL == 'iar':	
     print '================ERROR============================'
     print 'Not support iar yet!'
diff --git a/bsp/lm3s9b9x/rtconfig.py b/bsp/lm3s9b9x/rtconfig.py
index 3c444b9ae050e428c367ddf8afbe487a380688d8..dcd92a123d5574db18e225921948d63ed3b72d97 100644
--- a/bsp/lm3s9b9x/rtconfig.py
+++ b/bsp/lm3s9b9x/rtconfig.py
@@ -16,7 +16,7 @@ if  CROSS_TOOL == 'gcc':
 	EXEC_PATH 	= 'E:/Program Files/CodeSourcery/Sourcery G++ Lite/bin'
 elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armcc'
-	EXEC_PATH 	= 'E:/Keil'
+	EXEC_PATH 	= 'C:/Keil'
 elif CROSS_TOOL == 'iar':	
     print '================ERROR============================'
     print 'Not support iar yet!'
diff --git a/bsp/lm4f232/rtconfig.py b/bsp/lm4f232/rtconfig.py
index 244e3031c3050de46c98f3b90543b81cc5368c9f..9128713622a58eca69063d2068b367a6d24cc3a1 100644
--- a/bsp/lm4f232/rtconfig.py
+++ b/bsp/lm4f232/rtconfig.py
@@ -18,7 +18,7 @@ if  CROSS_TOOL == 'gcc':
 	EXEC_PATH 	= 'E:/Program Files/CodeSourcery/Sourcery G++ Lite/bin'
 elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armcc'
-	EXEC_PATH 	= 'E:/Keil'
+	EXEC_PATH 	= 'C:/Keil'
 elif CROSS_TOOL == 'iar':
     print '================ERROR============================'
     print 'Not support iar yet!'
diff --git a/bsp/lpc176x/rtconfig.py b/bsp/lpc176x/rtconfig.py
index 629f1d399c07cf77b70ab4257ceeec6390e9cdc2..0ecf3ba5987da3f2ffcd9de1ed82c100b4f6847e 100644
--- a/bsp/lpc176x/rtconfig.py
+++ b/bsp/lpc176x/rtconfig.py
@@ -13,7 +13,7 @@ if  CROSS_TOOL == 'gcc':
 	EXEC_PATH 	= 'C:/Program Files (x86)/CodeSourcery/Sourcery G++ Lite/bin'
 elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armcc'
-	EXEC_PATH 	= 'E:/Keil'
+	EXEC_PATH 	= 'C:/Keil'
 elif CROSS_TOOL == 'iar':
 	PLATFORM 	= 'iar'
 	IAR_PATH 	= 'C:/Program Files/IAR Systems/Embedded Workbench 6.0 Evaluation'
diff --git a/bsp/lpc2148/rtconfig.py b/bsp/lpc2148/rtconfig.py
index b3eb6d3703e1446da44f0a998ddebef7a791801f..234026638308331edf75b0ffb558110e551d8ddc 100644
--- a/bsp/lpc2148/rtconfig.py
+++ b/bsp/lpc2148/rtconfig.py
@@ -13,7 +13,7 @@ if  CROSS_TOOL == 'gcc':
 	EXEC_PATH 	= 'D:/SourceryGCC/bin'
 elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armcc'
-	EXEC_PATH 	= 'G:\Keil_MDK_380'
+	EXEC_PATH 	= 'C:\Keil'
 elif CROSS_TOOL == 'iar':
     print '================ERROR============================'
     print 'Not support iar yet!'
diff --git a/bsp/lpc2478/rtconfig.py b/bsp/lpc2478/rtconfig.py
index 3930c684f0e72c00bafd937e97f2ef25df18a7ba..71ad51da25a09e6fb0a67bfbc2bb5add0dd0188d 100644
--- a/bsp/lpc2478/rtconfig.py
+++ b/bsp/lpc2478/rtconfig.py
@@ -13,7 +13,7 @@ if  CROSS_TOOL == 'gcc':
 	EXEC_PATH 	= 'E:/Program Files/CodeSourcery/Sourcery G++ Lite/bin'
 elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armcc'
-	EXEC_PATH 	= 'E:/Keil'
+	EXEC_PATH 	= 'C:/Keil'
 elif CROSS_TOOL == 'iar':
     print '================ERROR============================'
     print 'Not support iar yet!'
diff --git a/bsp/stm32f107/rtconfig.py b/bsp/stm32f107/rtconfig.py
index 8124f9b2a31126cbdd170047657960cac9aa069f..911709b761fd5399bc63d5be2d81736f1b8a1ec6 100644
--- a/bsp/stm32f107/rtconfig.py
+++ b/bsp/stm32f107/rtconfig.py
@@ -16,7 +16,7 @@ if  CROSS_TOOL == 'gcc':
 	EXEC_PATH 	= 'E:/Program Files/CodeSourcery/Sourcery G++ Lite/bin'
 elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armcc'
-	EXEC_PATH 	= 'E:/Keil'
+	EXEC_PATH 	= 'C:/Keil'
 elif CROSS_TOOL == 'iar':
 	PLATFORM 	= 'iar'
 	IAR_PATH 	= 'C:/Program Files/IAR Systems/Embedded Workbench 6.0 Evaluation'
diff --git a/bsp/stm32f10x/rtconfig.py b/bsp/stm32f10x/rtconfig.py
index 6885b5fa5817b9a52efbc42dfe4f19ddb7f426c1..d75d79379c5b1d3ea217455439d6721e4a445c3b 100644
--- a/bsp/stm32f10x/rtconfig.py
+++ b/bsp/stm32f10x/rtconfig.py
@@ -28,7 +28,7 @@ if  CROSS_TOOL == 'gcc':
 	EXEC_PATH 	= 'D:/SourceryGCC/bin'
 elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armcc'
-	EXEC_PATH 	= 'E:/Keil'
+	EXEC_PATH 	= 'C:/Keil'
 elif CROSS_TOOL == 'iar':
 	PLATFORM 	= 'iar'
 	IAR_PATH 	= 'C:/Program Files/IAR Systems/Embedded Workbench 6.0 Evaluation'
diff --git a/bsp/stm32f40x/rtconfig.py b/bsp/stm32f40x/rtconfig.py
index ae8b56cf552325797f9e789867c1bbc4f706d889..7da8f982ed5b48000cac6ae0539dd030173f7bc1 100644
--- a/bsp/stm32f40x/rtconfig.py
+++ b/bsp/stm32f40x/rtconfig.py
@@ -15,7 +15,7 @@ if  CROSS_TOOL == 'gcc':
 	EXEC_PATH 	= 'E:/Program Files/CodeSourcery/Sourcery G++ Lite/bin'
 elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armcc'
-	EXEC_PATH 	= 'E:/Keil'
+	EXEC_PATH 	= 'C:/Keil'
 elif CROSS_TOOL == 'iar':
     print '================ERROR============================'
     print 'Not support iar yet!'