diff --git a/arch/arm/arm/src/los_hw_exc.S b/arch/arm/arm/src/los_hw_exc.S
index 5dd00c78c1fbfe6453f0395fca6f9411e56526d4..8330d0dd250ec4e8aa458b37b035cb7fa76d7971 100755
--- a/arch/arm/arm/src/los_hw_exc.S
+++ b/arch/arm/arm/src/los_hw_exc.S
@@ -189,6 +189,7 @@ _osExceptSwiHdl:
     MRS     R3, SPSR
     MOV     R4, LR
 
+#ifdef LOSCFG_KERNEL_SYSCALL
     AND     R1, R3, #CPSR_MASK_MODE                          @ Interrupted mode
     CMP     R1, #CPSR_USER_MODE                              @ User mode
     BNE     OsKernelSVCHandler                               @ Branch if not user mode
@@ -222,6 +223,7 @@ _osExceptSwiHdl:
     LDMFD   SP!, {PC}^                                       @ Return to user
 
 OsKernelSVCHandler:
+#endif
     ADD     R0, SP, #(4 * 16)
     MOV     R5, R0
     STMFD   R0!, {R4}                                        @ Store PC
diff --git a/fs/vfs/vfs_cmd/vfs_shellcmd.c b/fs/vfs/vfs_cmd/vfs_shellcmd.c
index 261913e91984f4efe173b379095f0ba230f031e8..0c95699ea140a9daef76f2446fc1b94c57eb0860 100644
--- a/fs/vfs/vfs_cmd/vfs_shellcmd.c
+++ b/fs/vfs/vfs_cmd/vfs_shellcmd.c
@@ -1386,6 +1386,7 @@ int checkNum(const char *arg)
   return 0;
 }
 
+#ifdef LOSCFG_KERNEL_SYSCALL
 int osShellCmdSu(int argc, const char **argv)
 {
   unsigned int su_uid;
@@ -1415,7 +1416,7 @@ int osShellCmdSu(int argc, const char **argv)
   SysSetGroupID(su_gid);
   return 0;
 }
-
+#endif
 
 int osShellCmdChmod(int argc, const char **argv)
 {
@@ -1569,8 +1570,10 @@ SHELLCMD_ENTRY(touch_shellcmd, CMD_TYPE_EX, "touch", XARGS, (CmdCallBackFunc)osS
 #if (defined(LOSCFG_FS_FAT))
 SHELLCMD_ENTRY(sync_shellcmd, CMD_TYPE_EX, "sync", XARGS, (CmdCallBackFunc)osShellCmdSync);
 #endif
+#ifdef LOSCFG_KERNEL_SYSCALL
 SHELLCMD_ENTRY(su_shellcmd, CMD_TYPE_EX, "su", XARGS, (CmdCallBackFunc)osShellCmdSu);
 #endif
+#endif
 SHELLCMD_ENTRY(ls_shellcmd, CMD_TYPE_EX, "ls", XARGS, (CmdCallBackFunc)osShellCmdLs);
 SHELLCMD_ENTRY(pwd_shellcmd, CMD_TYPE_EX, "pwd", XARGS, (CmdCallBackFunc)osShellCmdPwd);
 SHELLCMD_ENTRY(cd_shellcmd, CMD_TYPE_EX, "cd", XARGS, (CmdCallBackFunc)osShellCmdCd);
diff --git a/kernel/Kconfig b/kernel/Kconfig
index 709adc90a4eb460b61be5751cc72119a85d7b2b5..19a05fb276394d415749aae0f20a26e91ad0e6e6 100755
--- a/kernel/Kconfig
+++ b/kernel/Kconfig
@@ -33,6 +33,12 @@ config KERNEL_SCHED_STATISTICS
     help
       This option will enable schedulder statistics.
 
+config KERNEL_SYSCALL
+    bool "Enable Syscall"
+    default y
+    help
+      This option will enable syscall.
+
 config KERNEL_EXTKERNEL
     bool "Enable Extend Kernel"
     default y
@@ -65,7 +71,7 @@ config CPUP_INCLUDE_IRQ
 config KERNEL_DYNLOAD
     bool "Enable Dynamic Load Feature"
     default y
-    depends on KERNEL_EXTKERNEL
+    depends on KERNEL_EXTKERNEL && KERNEL_SYSCALL
     help
       If you wish to build LiteOS with support for dynamic load.
 
@@ -79,7 +85,7 @@ config ASLR
 config KERNEL_VDSO
     bool "Enable VDSO Feature"
     default n
-    depends on KERNEL_EXTKERNEL
+    depends on KERNEL_EXTKERNEL && KERNEL_SYSCALL
     help
       If you wish to speed up some system calls.
 
diff --git a/kernel/common/los_config.c b/kernel/common/los_config.c
index 91875330b5ed5aa268dd4a3b658ed3ebfb2c2bcb..348e441ed2b34257ffe4f59e6649fde503929fcd 100755
--- a/kernel/common/los_config.c
+++ b/kernel/common/los_config.c
@@ -277,7 +277,9 @@ LITE_OS_SEC_TEXT_INIT INT32 OsMain(VOID)
         return ret;
     }
 
+#ifdef LOSCFG_KERNEL_SYSCALL
     SyscallHandleInit();
+#endif
 
     /*
      * CPUP should be inited before first task creation which depends on the semaphore
diff --git a/tools/build/mk/los_config.mk b/tools/build/mk/los_config.mk
index a313137265516d2d002ff26cf6c4ff4539f4843a..c2166fcf73572a97bc9776a413436cceb710bbb7 100755
--- a/tools/build/mk/los_config.mk
+++ b/tools/build/mk/los_config.mk
@@ -488,8 +488,10 @@ ifeq ($(LOSCFG_NULL_ADDRESS_PROTECT), y)
     LITEOS_CMACRO += -DLOSCFG_NULL_ADDRESS_PROTECT
 endif
 
+ifeq ($(LOSCFG_KERNEL_SYSCALL), y)
 LITEOS_BASELIB += -lsyscall
 LIB_SUBDIRS += syscall
+endif
 LIB_SUBDIRS += kernel/user
 
 ############################# Tools && Debug Option End #################################