diff --git a/include/common.h b/include/common.h
index ef375bd..c8db42d 100644
--- a/include/common.h
+++ b/include/common.h
@@ -11,7 +11,7 @@
 #ifndef _COMMON_H_
 #define _COMMON_H_
 
-// #define NDEBUG 1
+#define NDEBUG 1
 
 #include <stdint.h>
 #include <stdbool.h>
diff --git a/src/queue.c b/src/queue.c
index 7d665ba..6ec6056 100644
--- a/src/queue.c
+++ b/src/queue.c
@@ -303,8 +303,8 @@ static void queue2_print(struct _queue* self)
 
 bool queue_init(struct _queue * queue, uint32_t obj_size)
 {
-    // assert(queue != NULL);
-    // assert(obj_size > 0);
+    assert(queue != NULL);
+    assert(obj_size > 0);
     if(queue == NULL || obj_size == 0)
     {
         return false;
@@ -341,9 +341,9 @@ bool queue_init(struct _queue * queue, uint32_t obj_size)
 
 bool queue_init2(struct _queue * queue, uint32_t obj_size, uint32_t capacity)
 {
-    // assert(queue != NULL);
-    // assert(obj_size > 0);
-    // assert(capacity > 0);
+    assert(queue != NULL);
+    assert(obj_size > 0);
+    assert(capacity > 0);
     if(queue == NULL || obj_size == 0 || capacity == 0)
     {
         return false;
@@ -398,13 +398,15 @@ done:
 
 queue_t queue_new(void)
 {
-    // return (struct _queue *)calloc(1, sizeof(struct _queue));
-    return (struct _queue *)malloc(sizeof(struct _queue));
+    return (struct _queue *)calloc(1, sizeof(struct _queue));
 }
 
 void queue_free(queue_t* queue)
 {
     // assert(queue != NULL);
+    // assert(*queue != NULL);
+    // assert((*queue)->destory != NULL);
+
     if(queue != NULL && *queue != NULL)
     {
         if((*queue)->destory != NULL)
diff --git a/test/test.c b/test/test.c
index b8e0bf4..d018b4d 100644
--- a/test/test.c
+++ b/test/test.c
@@ -73,7 +73,7 @@ int main(int argc, char const *argv[])
     printf("----- Unicstl Unit Test -----\n");
     UNITY_BEGIN();
 
-    test_stack();
+    // test_stack();
     test_queue();
     
     return UNITY_END();
diff --git a/test/test_queue.c b/test/test_queue.c
index 1a462a6..6182cb4 100644
--- a/test/test_queue.c
+++ b/test/test_queue.c
@@ -10,52 +10,63 @@
  */
 #include "test.h"
 
+/**
+ * @brief 
+ * 每成功init一次，就需要对应的destory一次。否则可能存在内存泄漏
+ */
 static void test_queue_init(void)
 {
     struct _queue queue;
+
     // ------------------------------
+#ifdef NDEBUG
     TEST_ASSERT_FALSE(queue_init(NULL, sizeof(int)));
     TEST_ASSERT_FALSE(queue_init(&queue, 0));
+#endif
     TEST_ASSERT_TRUE(queue_init(&queue, sizeof(int)));
     queue.destory(&queue);
 
-    TEST_ASSERT_TRUE(queue_init(&queue, sizeof(char)));
-    queue.destory(&queue);
-
     // ------------------------------
+#ifdef NDEBUG
     TEST_ASSERT_FALSE(queue_init2(NULL, sizeof(int), 1));
     TEST_ASSERT_FALSE(queue_init2(&queue, 0, 1));
     TEST_ASSERT_FALSE(queue_init2(&queue, sizeof(int), 0));
+#endif
     TEST_ASSERT_TRUE(queue_init2(&queue, sizeof(int), 1));
     queue.destory(&queue);
-
-    TEST_ASSERT_TRUE(queue_init2(&queue, sizeof(int), 5));
-    queue.destory(&queue);
 }
 
+/**
+ * @brief 
+ *    每成功init一次，就需要对应的free一次。否则可能存在内存泄漏
+ */
 static void test_queue_new(void)
 {
     queue_t queue = NULL;
-
-    // ------------------------------
     queue = queue_new();
-    TEST_ASSERT_NOT_NULL(queue);
-
-    TEST_ASSERT_FALSE(queue_init(NULL, sizeof(int)));
-    TEST_ASSERT_FALSE(queue_init(queue, 0));
-    TEST_ASSERT_TRUE(queue_init(queue, sizeof(int)));
-    TEST_ASSERT_TRUE(queue_init(queue, sizeof(char)));
     queue_free(&queue);
 
     // ------------------------------
     queue = queue_new();
     TEST_ASSERT_NOT_NULL(queue);
 
+#ifdef NDEBUG
+    TEST_ASSERT_FALSE(queue_init(NULL, sizeof(int)));
+    TEST_ASSERT_FALSE(queue_init(queue, 0));
+#endif
+    TEST_ASSERT_TRUE(queue_init(queue, sizeof(int)));
+    queue_free(&queue);
+
+    // ------------------------------
+    queue = queue_new();
+    TEST_ASSERT_NOT_NULL(queue);
+
+#ifdef NDEBUG
     TEST_ASSERT_FALSE(queue_init2(NULL, sizeof(int), 1));
     TEST_ASSERT_FALSE(queue_init2(queue, 0, 1));
     TEST_ASSERT_FALSE(queue_init2(queue, sizeof(int), 0));
+#endif
     TEST_ASSERT_TRUE(queue_init2(queue, sizeof(int), 1));
-    TEST_ASSERT_TRUE(queue_init2(queue, sizeof(int), 5));
     queue_free(&queue);
 
     TEST_ASSERT_NULL(queue);