diff --git a/APP_Framework/Applications/main.c b/APP_Framework/Applications/main.c
index 3cb6142b5..bfa04753e 100644
--- a/APP_Framework/Applications/main.c
+++ b/APP_Framework/Applications/main.c
@@ -20,7 +20,9 @@ int main(void)
 {
 	printf("Hello, world!\n");
 	FrameworkInit();
+#ifdef APPLICATION_OTA
 	ApplicationOtaTaskInit();
+#endif
     return 0;
 }
 // int cppmain(void);
diff --git a/APP_Framework/Applications/ota/Kconfig b/APP_Framework/Applications/ota/Kconfig
index 2943bdb32..097519d9b 100755
--- a/APP_Framework/Applications/ota/Kconfig
+++ b/APP_Framework/Applications/ota/Kconfig
@@ -1,4 +1,4 @@
-menu "config application bin ota "
+menu "ota app "
     menuconfig APPLICATION_OTA
         bool "Using app bin ota"
         default n
diff --git a/APP_Framework/Framework/connection/4g/adapter_4g.c b/APP_Framework/Framework/connection/4g/adapter_4g.c
index 3a3b40dbe..ab288a654 100644
--- a/APP_Framework/Framework/connection/4g/adapter_4g.c
+++ b/APP_Framework/Framework/connection/4g/adapter_4g.c
@@ -51,7 +51,7 @@ int Adapter4GInit(void)
 
     struct Adapter *adapter = PrivMalloc(sizeof(struct Adapter));
     if (!adapter) {
-        Privfree(adapter);
+        PrivFree(adapter);
         return -1;
     }
 
@@ -60,7 +60,7 @@ int Adapter4GInit(void)
     ret = Adapter4GRegister(adapter);
     if (ret < 0) {
         printf("Adapter4GInit register 4G adapter error\n");
-        Privfree(adapter);
+        PrivFree(adapter);
         return -1;
     }
 
@@ -68,7 +68,7 @@ int Adapter4GInit(void)
     AdapterProductInfoType product_info = Ec200tAttach(adapter);
     if (!product_info) {
         printf("Adapter4GInit ec200t attach error\n");
-        Privfree(adapter);
+        PrivFree(adapter);
         return -1;
     }
 
diff --git a/APP_Framework/Framework/transform_layer/xiuos/transform.c b/APP_Framework/Framework/transform_layer/xiuos/transform.c
index 7f53b96e7..bc82fdf62 100644
--- a/APP_Framework/Framework/transform_layer/xiuos/transform.c
+++ b/APP_Framework/Framework/transform_layer/xiuos/transform.c
@@ -96,7 +96,7 @@ int PrivTaskDelay(int32_t ms)
 }
 
 /*********************fs**************************/
-
+#ifdef FS_VFS
 /************************Driver Posix Transform***********************/
 int PrivOpen(const char *path, int flags)
 {
@@ -150,7 +150,7 @@ int PrivIoctl(int fd, int cmd, void *args)
 
     return ret;
 }
-
+#endif
 /********************memory api************/
 void *PrivMalloc(size_t size)
 {
diff --git a/APP_Framework/Framework/transform_layer/xiuos/transform.h b/APP_Framework/Framework/transform_layer/xiuos/transform.h
index 38da64755..edd22e618 100644
--- a/APP_Framework/Framework/transform_layer/xiuos/transform.h
+++ b/APP_Framework/Framework/transform_layer/xiuos/transform.h
@@ -101,7 +101,7 @@ struct PinParam
     long  pin;//< pin number
     int mode;//< pin mode: input/output
     struct PinDevIrq irq_set;//< pin irq set
-    uint64 arg;
+    uint64_t arg;
 };
 
 struct PinStat
@@ -128,7 +128,7 @@ struct SerialDataCfg
     uint8_t serial_invert_mode;
     uint16_t serial_buffer_size;
 
-    uint8 ext_uart_no;
+    uint8_t ext_uart_no;
     enum ExtSerialPortConfigure port_configure;
 };
 
diff --git a/APP_Framework/Framework/transform_layer/xiuos/user_api/switch_api/user_api.h b/APP_Framework/Framework/transform_layer/xiuos/user_api/switch_api/user_api.h
index 161e6add9..803af707f 100644
--- a/APP_Framework/Framework/transform_layer/xiuos/user_api/switch_api/user_api.h
+++ b/APP_Framework/Framework/transform_layer/xiuos/user_api/switch_api/user_api.h
@@ -22,16 +22,16 @@
 #ifndef XS_USER_API_H
 #define XS_USER_API_H
 
-#include <xiuos.h>
 #include <xsconfig.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <libc.h>
-#include "../../../../../../Ubiquitous/XiUOS/arch/kswitch.h"
 
 
 #ifdef  SEPARATE_COMPILE
 
+#include "../../../../../../Ubiquitous/XiUOS/arch/kswitch.h"
+
 #define TASK_INFO      1
 #define MEM_INFO       2
 #define SEM_INFO       3
@@ -58,22 +58,22 @@ typedef void DIR;
 
 int32_t UserTaskCreate(UtaskType utask);
 
-x_err_t UserTaskStartup(int32_t id);
-x_err_t UserTaskDelete(int32_t id);
+long UserTaskStartup(int32_t id);
+long UserTaskDelete(int32_t id);
 void UserTaskQuit(void);
-x_err_t UserTaskDelay(int32_t ms);
-x_err_t UserGetTaskName(int32_t id ,char *name);
+long UserTaskDelay(int32_t ms);
+long UserGetTaskName(int32_t id ,char *name);
 int32_t UserGetTaskID(void);
 uint8_t UserGetTaskStat(int32_t id);
 
 #ifdef ARCH_SMP
-x_err_t UserTaskCoreCombine(int32_t id,uint8_t core_id);
-x_err_t UserTaskCoreUnCombine(int32_t id);
+long UserTaskCoreCombine(int32_t id,uint8_t core_id);
+long UserTaskCoreUnCombine(int32_t id);
 uint8_t UserGetTaskCombinedCore(int32_t id);
 uint8_t UserGetTaskRunningCore(int32_t id);
 #endif
 
-x_err_t UserGetTaskErrorstatus(int32_t id);
+long UserGetTaskErrorstatus(int32_t id);
 uint8_t UserGetTaskPriority(int32_t id);
 
 
@@ -93,10 +93,10 @@ int32_t UserMutexAbandon(int32_t mutex);
 #ifdef KERNEL_SEMAPHORE
 typedef int32  sem_t;
 sem_t UserSemaphoreCreate(uint16_t val);
-x_err_t UserSemaphoreDelete(sem_t sem);
-x_err_t UserSemaphoreObtain(sem_t sem, int32_t wait_time);
-x_err_t UserSemaphoreAbandon(sem_t sem);
-x_err_t UserSemaphoreSetValue(sem_t sem, uint16_t val);
+long UserSemaphoreDelete(sem_t sem);
+long UserSemaphoreObtain(sem_t sem, int32_t wait_time);
+long UserSemaphoreAbandon(sem_t sem);
+long UserSemaphoreSetValue(sem_t sem, uint16_t val);
 #endif
 
 
@@ -104,22 +104,22 @@ x_err_t UserSemaphoreSetValue(sem_t sem, uint16_t val);
 typedef int32 EventIdType;
 EventIdType UserEventCreate(uint8_t flag);
 void UserEventDelete(EventIdType event);
-x_err_t UserEventTrigger(EventIdType event, uint32_t set);
-x_err_t UserEventProcess(EventIdType event, uint32_t set, uint8_t option, 
+long UserEventTrigger(EventIdType event, uint32_t set);
+long UserEventProcess(EventIdType event, uint32_t set, uint8_t option, 
                          int32_t   wait_time, uint32_t *Recved);
-x_err_t UserEventReinit(EventIdType event);
+long UserEventReinit(EventIdType event);
 #endif
 
 
 #ifdef KERNEL_MESSAGEQUEUE
 int32_t UserMsgQueueCreate(size_t   msg_size, size_t   max_msgs);
-x_err_t UserMsgQueueDelete(int32_t mq );
-x_err_t UserMsgQueueSendwait(int32_t mq, const void *buffer,
+long UserMsgQueueDelete(int32_t mq );
+long UserMsgQueueSendwait(int32_t mq, const void *buffer,
                                       size_t   size, int32_t  wait_time);
-x_err_t UserMsgQueueSend(int32_t mq, const void *buffer, size_t size);
-x_err_t UserMsgQueueUrgentSend(int32_t mq, const void *buffer, size_t size);
-x_err_t UserMsgQueueRecv(int32_t mq, void *buffer, size_t  size,int32_t wait_time);
-x_err_t UserMsgQueueReinit(int32_t mq);
+long UserMsgQueueSend(int32_t mq, const void *buffer, size_t size);
+long UserMsgQueueUrgentSend(int32_t mq, const void *buffer, size_t size);
+long UserMsgQueueRecv(int32_t mq, void *buffer, size_t  size,int32_t wait_time);
+long UserMsgQueueReinit(int32_t mq);
 #endif
 
 int open(const char *path, int flags, ...);
@@ -154,14 +154,18 @@ struct statfs {
 };
 
 int statfs(const char *path, struct statfs *buf);
-#endif
 
+/* NOTE!!!: when cutting out file system, the 'printf' function can not output angthing */
 int Userprintf(const char *fmt, ...);
+#define printf      Userprintf 
 
-#define printf      Userprintf    
+#endif
+ 
 
 #else
 
+#include <xiuos.h>
+
 #ifdef FS_VFS
 #include <iot-vfs_posix.h>
 #endif
@@ -182,7 +186,7 @@ int32_t UserTaskCreate(UtaskType utask);
 #define UserTaskQuit             KTaskQuit
 #define UserTaskDelay            MdelayKTask
 
-x_err_t UserGetTaskName(int32_t id ,char *name);
+long UserGetTaskName(int32_t id ,char *name);
 int32_t UserGetTaskID(void);
 uint8_t UserGetTaskStat(int32_t id);
 
@@ -194,7 +198,7 @@ uint8_t UserGetTaskCombinedCore(int32_t id);
 uint8_t UserGetTaskRunningCore(int32_t id);
 #endif
 
-x_err_t UserGetTaskErrorstatus(int32_t id);
+long UserGetTaskErrorstatus(int32_t id);
 uint8_t UserGetTaskPriority(int32_t id);
 
 #define UserMalloc               x_malloc
diff --git a/Ubiquitous/XiUOS/kernel/kernel_service/xs_service.c b/Ubiquitous/XiUOS/kernel/kernel_service/xs_service.c
index f6acd21d8..639a13553 100644
--- a/Ubiquitous/XiUOS/kernel/kernel_service/xs_service.c
+++ b/Ubiquitous/XiUOS/kernel/kernel_service/xs_service.c
@@ -25,6 +25,8 @@
 #include <xs_sem.h>
 #include <xs_memory.h>
 #include <xs_mutex.h>
+#include <xs_event.h>
+#include <xs_msg.h>
 
 #ifdef FS_VFS
 #include <iot-vfs_posix.h>