diff --git a/demo/os/rt-thread/stm32f10x/README.md b/demo/os/rt-thread/stm32f10x/README.md
index f0909e1..5e2d827 100644
--- a/demo/os/rt-thread/stm32f10x/README.md
+++ b/demo/os/rt-thread/stm32f10x/README.md
@@ -25,4 +25,5 @@
 
 ## 3、其他功能
 
-- 1、新增 RTT断言及硬件异常的钩子的方法，使得系统在出现异常时，错误日志依然可以被输出或保存。参考 `app\src\app_task.c` 中的 `assert_hook` 及 `exception_hook` 方法。
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+- 1、新增 RTT断言及硬件异常的钩子方法，使得系统在出现异常时，错误日志依然可以被输出或保存。参考 `app\src\app_task.c` 中的 `rtt_user_assert_hook` 及 `exception_hook` 方法。
+- 2、新增 EasyLogger断言的钩子方法，使得系统在出现异常时，错误日志依然可以被输出或保存。参考 `app\src\app_task.c` 中的 `elog_user_assert_hook` 方法。
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diff --git a/demo/os/rt-thread/stm32f10x/app/src/app_task.c b/demo/os/rt-thread/stm32f10x/app/src/app_task.c
index ca16dd2..ad6251a 100644
--- a/demo/os/rt-thread/stm32f10x/app/src/app_task.c
+++ b/demo/os/rt-thread/stm32f10x/app/src/app_task.c
@@ -32,7 +32,8 @@ static rt_uint8_t thread_sys_monitor_stack[512];
 struct rt_thread thread_sys_monitor;
 
 static void test_elog(void);
-static void assert_hook(const char* ex, const char* func, rt_size_t line);
+static void rtt_user_assert_hook(const char* ex, const char* func, rt_size_t line);
+static void elog_user_assert_hook(const char* ex, const char* func, size_t line);
 static rt_err_t exception_hook(void *context);
 
 /**
@@ -92,10 +93,12 @@ void sys_init_thread(void* parameter){
         /* set enabled format */
         elog_set_fmt(ELOG_FMT_LVL | ELOG_FMT_TAG | ELOG_FMT_TIME /*| ELOG_FMT_P_INFO*/ | ELOG_FMT_T_INFO | ELOG_FMT_DIR
                 /*| ELOG_FMT_FUNC*/ | ELOG_FMT_LINE);
+        /* set EasyLogger assert hook */
+        elog_assert_set_hook(elog_user_assert_hook);
         /* set hardware exception hook */
         rt_hw_exception_install(exception_hook);
         /* set RT-Thread assert hook */
-        rt_assert_set_hook(assert_hook);
+        rt_assert_set_hook(rtt_user_assert_hook);
         /* initialize OK and switch to running status */
         set_system_status(SYSTEM_STATUS_RUN);
     } else {
@@ -106,11 +109,19 @@ void sys_init_thread(void* parameter){
     rt_thread_delete(rt_thread_self());
 }
 
-static void assert_hook(const char* ex, const char* func, rt_size_t line) {
+static void elog_user_assert_hook(const char* ex, const char* func, size_t line) {
     elog_output_lock_enabled(false);
-    //elog_flash_lock_enabled(false);
-    elog_a("assert", "(%s) has assert failed at %s:%ld.\n", ex, func, line);
-    //elog_flash_flush();
+//    elog_flash_lock_enabled(false);
+    elog_a("elog", "(%s) has assert failed at %s:%ld.", ex, func, line);
+//    elog_flash_flush();
+    while(1);
+}
+
+static void rtt_user_assert_hook(const char* ex, const char* func, rt_size_t line) {
+    elog_output_lock_enabled(false);
+//    elog_flash_lock_enabled(false);
+    elog_a("rtt", "(%s) has assert failed at %s:%ld.\n", ex, func, line);
+//    elog_flash_flush();
     while(1);
 }
 
diff --git a/easylogger/inc/elog.h b/easylogger/inc/elog.h
index ea4256f..f8b6e44 100644
--- a/easylogger/inc/elog.h
+++ b/easylogger/inc/elog.h
@@ -61,14 +61,18 @@ extern "C" {
 /* output newline sign */
 #define ELOG_NEWLINE_SIGN                    "\r\n"
 /* EasyLogger software version number */
-#define ELOG_SW_VERSION                      "0.06.25"
+#define ELOG_SW_VERSION                      "0.06.27"
 
 /* EasyLogger assert for developer. */
-#define ELOG_ASSERT(EXPR)                                                   \
-if (!(EXPR))                                                                \
-{                                                                           \
-    elog_a("elog", "(%s) has assert failed at %s.\n", #EXPR, __FUNCTION__); \
-    while (1);                                                              \
+#define ELOG_ASSERT(EXPR)                                                     \
+if (!(EXPR))                                                                  \
+{                                                                             \
+    if (elog_assert_hook == NULL) {                                           \
+        elog_a("elog", "(%s) has assert failed at %s:%ld.", #EXPR, __FUNCTION__, __LINE__); \
+        while (1);                                                            \
+    } else {                                                                  \
+        elog_assert_hook(#EXPR, __FUNCTION__, __LINE__);                      \
+    }                                                                         \
 }
 
 /* all formats index */
@@ -116,6 +120,8 @@ void elog_raw(const char *format, ...);
 void elog_output(uint8_t level, const char *tag, const char *file, const char *func,
         const long line, const char *format, ...);
 void elog_output_lock_enabled(bool enabled);
+extern void (*elog_assert_hook)(const char* expr, const char* func, size_t line);
+void elog_assert_set_hook(void (*hook)(const char* expr, const char* func, size_t line));
 
 #ifndef ELOG_OUTPUT_ENABLE
 
diff --git a/easylogger/src/elog.c b/easylogger/src/elog.c
index 811260e..2347357 100644
--- a/easylogger/src/elog.c
+++ b/easylogger/src/elog.c
@@ -56,6 +56,9 @@ static void output_lock(void);
 static void output_unlock(void);
 static bool get_fmt_enabled(size_t set);
 
+/* EasyLogger assert hook */
+void (*elog_assert_hook)(const char* expr, const char* func, size_t line);
+
 /**
  * EasyLogger initialize.
  *
@@ -393,3 +396,12 @@ static void output_unlock(void) {
         output_is_locked_before_enable = false;
     }
 }
+
+/**
+ * Set a hook function to EasyLogger assert. It will run when the expression is false.
+ *
+ * @param hook the hook function
+ */
+void elog_assert_set_hook(void (*hook)(const char* expr, const char* func, size_t line)) {
+    elog_assert_hook = hook;
+}