diff --git a/bsp/lpc176x/rtconfig.h b/bsp/lpc176x/rtconfig.h
index 33c563a5886b20ec1a0d25bfe37f54902f65931f..31b2b1afee77d709ee05f508371cbe1961ba3a61 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 4e33135dbdde7162a15d636181786f9767eeeb2d..af625d307af33c85882febe6e5318af22953d83b 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 347f25b052937804e64fe3fd89a92dbea03aeed6..8ca0f4300668a0325d4d7ef14d8ea51228627c3d 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 c0969485bded8cdbe00f5aad68e8f3bc5b5cebd6..0378d96cd69e0eaae9da824eb8afaeece9c33a82 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 dd04d02b6652f03cf0cfb135f43e08ad9a2bcd8f..464dd97939de827963fbb4044376384905c81cf3 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>