diff --git a/components/utilities/utest/utest.c b/components/utilities/utest/utest.c
index 0f5a206d3c1027206feba8f99c93d616d2acaef8..0ee0b94bf51905f06d7129d0d1406e1941bf2360 100644
--- a/components/utilities/utest/utest.c
+++ b/components/utilities/utest/utest.c
@@ -112,7 +112,7 @@ static void utest_run(const char *utest_name)
         {
             if (tc_table[i].init() != RT_EOK)
             {
-                LOG_I("[  FAILED  ] [ result   ] testcase (%s)", tc_table[i].name);
+                LOG_E("[  FAILED  ] [ result   ] testcase (%s)", tc_table[i].name);
                 goto __tc_continue;
             }
         }
@@ -126,19 +126,19 @@ static void utest_run(const char *utest_name)
             }
             else
             {
-                LOG_I("[  FAILED  ] [ result   ] testcase (%s)", tc_table[i].name);
+                LOG_E("[  FAILED  ] [ result   ] testcase (%s)", tc_table[i].name);
             }
         }
         else
         {
-            LOG_I("[  FAILED  ] [ result   ] testcase (%s)", tc_table[i].name);
+            LOG_E("[  FAILED  ] [ result   ] testcase (%s)", tc_table[i].name);
         }
 
         if (tc_table[i].cleanup != RT_NULL)
         {
             if (tc_table[i].cleanup() != RT_EOK)
             {
-                LOG_I("[  FAILED  ] [ result   ] testcase (%s)", tc_table[i].name);
+                LOG_E("[  FAILED  ] [ result   ] testcase (%s)", tc_table[i].name);
                 goto __tc_continue;
             }
         }
@@ -236,3 +236,34 @@ void utest_assert_string(const char *a, const char *b, rt_bool_t equal, const ch
         }
     }
 }
+
+void utest_assert_buf(const char *a, const char *b, rt_size_t sz, rt_bool_t equal, const char *file, int line, const char *func, const char *msg)
+{
+    if (a == RT_NULL || b == RT_NULL)
+    {
+        utest_assert(0, file, line, func, msg);
+    }
+
+    if (equal)
+    {
+        if (rt_memcmp(a, b, sz) == 0)
+        {
+            utest_assert(1, file, line, func, msg);
+        }
+        else
+        {
+            utest_assert(0, file, line, func, msg);
+        }
+    }
+    else
+    {
+        if (rt_memcmp(a, b, sz) == 0)
+        {
+            utest_assert(0, file, line, func, msg);
+        }
+        else
+        {
+            utest_assert(1, file, line, func, msg);
+        }
+    }
+}
diff --git a/components/utilities/utest/utest.h b/components/utilities/utest/utest.h
index 5a7e8af7214bb56c2211c8124040c6cee1794051..386d177a77ac56b52f5b18f92dde5d85bce07eae 100644
--- a/components/utilities/utest/utest.h
+++ b/components/utilities/utest/utest.h
@@ -13,6 +13,7 @@
 
 #include <rtthread.h>
 #include "utest_log.h"
+#include "utest_assert.h"
 
 /**
  * utest_error
@@ -57,7 +58,7 @@ typedef struct utest *utest_t;
  *        Will export the data to `UtestTcTab` section in flash.
  * 
  * @member name        Testcase name.
- * @member run_timeout Testcase maximum test time.
+ * @member run_timeout Testcase maximum test time (Time unit: seconds).
  * @member init        Necessary initialization before executing the test case function.
  * @member tc          Total number of tests failed.
  * @member cleanup     Total number of tests failed.
@@ -125,7 +126,7 @@ utest_t utest_handle_get(void);
  * @param name     The testcase name.
  * @param init     The initialization function of the test case.
  * @param cleanup  The cleanup function of the test case.
- * @param timeout  Testcase maximum test time.
+ * @param timeout  Testcase maximum test time (Time unit: seconds).
  * 
  * @return None
  * 
diff --git a/components/utilities/utest/utest_assert.h b/components/utilities/utest/utest_assert.h
index 997e8ae7f32cb8563684d21ab2b0b4eb26493330..9c620c689d6b15a340ad54f7d48393486f675001 100644
--- a/components/utilities/utest/utest_assert.h
+++ b/components/utilities/utest/utest_assert.h
@@ -19,6 +19,7 @@ void utest_assert(int value, const char *file, int line, const char *func, const
 
 /* No need for the user to use this function directly */
 void utest_assert_string(const char *a, const char *b, rt_bool_t equal, const char *file, int line, const char *func, const char *msg);
+void utest_assert_buf(const char *a, const char *b, rt_size_t sz, rt_bool_t equal, const char *file, int line, const char *func, const char *msg);
 
 /* No need for the user to use this macro directly */
 #define __utest_assert(value, msg) utest_assert(value, __FILE__, __LINE__, __func__, msg)
@@ -37,6 +38,8 @@ void utest_assert_string(const char *a, const char *b, rt_bool_t equal, const ch
  * @macro uassert_int_not_equal if @a not equal to @b, not assert, means passing. Integer type test.
  * @macro uassert_str_equal     if @a equal to @b,     not assert, means passing. String type test.
  * @macro uassert_str_not_equal if @a not equal to @b, not assert, means passing. String type test.
+ * @macro uassert_buf_equal     if @a equal to @b,     not assert, means passing. buf type test.
+ * @macro uassert_buf_not_equal if @a not equal to @b, not assert, means passing. buf type test.
  * @macro uassert_in_range      if @value is in range of min and max,     not assert, means passing.
  * @macro uassert_not_in_range  if @value is not in range of min and max, not assert, means passing.
  * 
@@ -52,6 +55,9 @@ void utest_assert_string(const char *a, const char *b, rt_bool_t equal, const ch
 #define uassert_str_equal(a, b)      utest_assert_string((const char*)(a), (const char*)(b), RT_TRUE, __FILE__, __LINE__, __func__, "string not equal")
 #define uassert_str_not_equal(a, b)  utest_assert_string((const char*)(a), (const char*)(b), RT_FALSE, __FILE__, __LINE__, __func__, "string equal")
 
+#define uassert_buf_equal(a, b, sz)      utest_assert_buf((const char*)(a), (const char*)(b), (sz), RT_TRUE, __FILE__, __LINE__, __func__, "buf not equal")
+#define uassert_buf_not_equal(a, b, sz)  utest_assert_buf((const char*)(a), (const char*)(b), (sz), RT_FALSE, __FILE__, __LINE__, __func__, "buf equal")
+
 #define uassert_in_range(value, min, max)     __utest_assert(((value >= min) && (value <= max)), "(" #value ") not in range("#min","#max")") 
 #define uassert_not_in_range(value, min, max) __utest_assert(!((value >= min) && (value <= max)), "(" #value ") in range("#min","#max")")