diff --git a/bsp/lpc176x/rtconfig.h b/bsp/lpc176x/rtconfig.h
index 33c563a588..31b2b1afee 100644
--- a/bsp/lpc176x/rtconfig.h
+++ b/bsp/lpc176x/rtconfig.h
@@ -7,7 +7,7 @@
 #define RT_NAME_MAX	6
 // <integer name="RT_ALIGN_SIZE" description="Alignment size for CPU architecture data access" default="4" />
 #define RT_ALIGN_SIZE	4
-// <integer name="RT_THREAD_PRIORITY_MAX" description="Maximal level of thread priority" default="2">
+// <integer name="RT_THREAD_PRIORITY_MAX" description="Maximal level of thread priority" default="32">
 // <item description="8">8</item>
 // <item description="32">32</item>
 // <item description="256">256</item>
diff --git a/bsp/lpc178x/rtconfig.h b/bsp/lpc178x/rtconfig.h
index 4e33135dbd..af625d307a 100644
--- a/bsp/lpc178x/rtconfig.h
+++ b/bsp/lpc178x/rtconfig.h
@@ -8,7 +8,7 @@
 #define RT_NAME_MAX	6
 // <integer name="RT_ALIGN_SIZE" description="Alignment size for CPU architecture data access" default="4" />
 #define RT_ALIGN_SIZE	4
-// <integer name="RT_THREAD_PRIORITY_MAX" description="Maximal level of thread priority" default="2">
+// <integer name="RT_THREAD_PRIORITY_MAX" description="Maximal level of thread priority" default="32">
 // <item description="8">8</item>
 // <item description="32">32</item>
 // <item description="256">256</item>
diff --git a/bsp/ls1bdev/rtconfig.h b/bsp/ls1bdev/rtconfig.h
index 347f25b052..8ca0f43006 100644
--- a/bsp/ls1bdev/rtconfig.h
+++ b/bsp/ls1bdev/rtconfig.h
@@ -7,7 +7,7 @@
 #define RT_NAME_MAX	10
 // <integer name="RT_ALIGN_SIZE" description="Alignment size for CPU architecture data access" default="4" />
 #define RT_ALIGN_SIZE	4
-// <integer name="RT_THREAD_PRIORITY_MAX" description="Maximal level of thread priority" default="2">
+// <integer name="RT_THREAD_PRIORITY_MAX" description="Maximal level of thread priority" default="32">
 // <item description="8">8</item>
 // <item description="32">32</item>
 // <item description="256">256</item>
diff --git a/bsp/mb9bf506r/rtconfig.h b/bsp/mb9bf506r/rtconfig.h
index c0969485bd..0378d96cd6 100644
--- a/bsp/mb9bf506r/rtconfig.h
+++ b/bsp/mb9bf506r/rtconfig.h
@@ -8,7 +8,7 @@
 #define RT_NAME_MAX	8
 // <integer name="RT_ALIGN_SIZE" description="Alignment size for CPU architecture data access" default="4" />
 #define RT_ALIGN_SIZE	8
-// <integer name="RT_THREAD_PRIORITY_MAX" description="Maximal level of thread priority" default="2">
+// <integer name="RT_THREAD_PRIORITY_MAX" description="Maximal level of thread priority" default="32">
 // <item description="8">8</item>
 // <item description="32">32</item>
 // <item description="256">256</item>
diff --git a/bsp/mini2440/rtconfig.h b/bsp/mini2440/rtconfig.h
index dd04d02b66..464dd97939 100644
--- a/bsp/mini2440/rtconfig.h
+++ b/bsp/mini2440/rtconfig.h
@@ -8,7 +8,7 @@
 #define RT_NAME_MAX	32
 // <integer name="RT_ALIGN_SIZE" description="Alignment size for CPU architecture data access" default="4" />
 #define RT_ALIGN_SIZE	4
-// <integer name="RT_THREAD_PRIORITY_MAX" description="Maximal level of thread priority" default="2">
+// <integer name="RT_THREAD_PRIORITY_MAX" description="Maximal level of thread priority" default="32">
 // <item description="8">8</item>
 // <item description="32">32</item>
 // <item description="256">256</item>