diff --git a/components/libc_stub/newlib_stub.c b/components/libc_stub/newlib_stub.c
index 6df15aa0e0f33c0813bd4666e1eb8f4305a6c72c..a133a4f21cb474945d6ed136b892e7fe2cb257f8 100644
--- a/components/libc_stub/newlib_stub.c
+++ b/components/libc_stub/newlib_stub.c
@@ -369,6 +369,14 @@ void *__wrap__malloc_r(struct _reent *ptr, size_t size)
     return mem;
 }
 
+extern int first_task_start;
+void *__wrap__memalign_r(struct _reent *ptr, size_t boundary, size_t size)
+{
+    if(first_task_start)
+        printf("Error! Function \"memalign\" not supported !\n");
+    return NULL;
+}
+
 void *__wrap__realloc_r(struct _reent *ptr, void *old, size_t newlen)
 {
     void *mem;
diff --git a/hardware/chip/x2000/package.yaml b/hardware/chip/x2000/package.yaml
index 2500639ea5bdb5441f1f64724f033a4ec9f1b730..a6c64f7321e765d519e443d4419b9d6dc70c9393 100644
--- a/hardware/chip/x2000/package.yaml
+++ b/hardware/chip/x2000/package.yaml
@@ -96,6 +96,7 @@ build_config:
     -Wl,--wrap=localtime_r
     -Wl,--wrap=localtime
     -Wl,--wrap=_malloc_r
+    -Wl,--wrap=_memalign_r
     -Wl,--wrap=_realloc_r
     -Wl,--wrap=_calloc_r
     -Wl,--wrap=_free_r
diff --git a/kernel/rhino/k_sys.c b/kernel/rhino/k_sys.c
index 8d124154f210e76a9bd46a7dbc116994e0ea86f3..498b013dbed7e515455a970059e8ff9e59164c4e 100644
--- a/kernel/rhino/k_sys.c
+++ b/kernel/rhino/k_sys.c
@@ -4,6 +4,8 @@
 
 #include "k_api.h"
 
+int first_task_start = 0;
+
 RHINO_INLINE void rhino_stack_check_init(void)
 {
 #if (RHINO_CONFIG_INTRPT_STACK_OVF_CHECK > 0)
@@ -114,6 +116,7 @@ kstat_t krhino_start(void)
 #endif
 
         g_sys_stat = RHINO_RUNNING;
+        first_task_start = 1;
         cpu_first_task_start();
 
         /* should not be here */