diff --git a/components/lwp/lwp.c b/components/lwp/lwp.c
index 7157f2725022626570ec717384fc7d274d0ecb67..acd290bc0fcda3b1673dd520629568387b9b0828 100644
--- a/components/lwp/lwp.c
+++ b/components/lwp/lwp.c
@@ -34,7 +34,7 @@
 #define DBG_ENABLE
 #define DBG_SECTION_NAME    "[LWP]"
 #define DBG_COLOR
-#define DBG_LEVEL           DBG_LOG
+#define DBG_LEVEL           DBG_WARNING
 #include <rtdbg.h>
 
 extern rt_thread_t rt_current_thread;
diff --git a/components/lwp/lwp_mem.c b/components/lwp/lwp_mem.c
index ca390e4f962a1c387415c715e99f6f9818dacbfa..6092dc6ee551df63ee94493165f959a6d0a0dd08 100644
--- a/components/lwp/lwp_mem.c
+++ b/components/lwp/lwp_mem.c
@@ -28,7 +28,7 @@
 #define DBG_ENABLE
 #define DBG_SECTION_NAME    "[LWPMEM]"
 #define DBG_COLOR
-#define DBG_LEVEL           DBG_LOG
+#define DBG_LEVEL           DBG_WARNING
 #include <rtdbg.h>
 
 // todo: remove repleat code
@@ -117,13 +117,18 @@ void rt_lwp_mem_deinit(struct rt_lwp *lwp)
     
     RT_ASSERT(lwp != RT_NULL);
 
-    for (node  = lwp->hlist.next; node != &(lwp->hlist); node = node->next)
+    node = lwp->hlist.next;
+
+    while (node != &(lwp->hlist))
     {
         struct rt_lwp_memheap *lwp_heap;
+
         lwp_heap = rt_list_entry(node, struct rt_lwp_memheap, mlist);
-        
         RT_ASSERT(lwp_heap != RT_NULL);
 
+        /* update note before free page*/
+        node = node->next;
+
         rt_lwp_free_page(lwp, lwp_heap);
     }
 }