diff --git a/os/zoslogger.cpp b/os/zoslogger.cpp
index 4fd6006..551051e 100644
--- a/os/zoslogger.cpp
+++ b/os/zoslogger.cpp
@@ -18,4 +18,9 @@ void zos_log(const char* fmt, ...) {
     va_end(args);
   }
 }
+void zlog_raw(const char* info) {
+  if (g_enable_log) {
+    printf(info);
+  }
+}
 }
diff --git a/os/zoslogger.hpp b/os/zoslogger.hpp
index 55027e0..64e3897 100644
--- a/os/zoslogger.hpp
+++ b/os/zoslogger.hpp
@@ -13,26 +13,26 @@ extern bool g_enable_log;
   if (g_enable_log) {                        \
     zos_log(TAG "" fmt "\n", ##__VA_ARGS__); \
   }
-#define ZLOGI(TAG, fmt, ...)                                                              \
-  if (g_enable_log) {                                                                     \
+#define ZLOGI(TAG, fmt, ...)                                                               \
+  if (g_enable_log) {                                                                      \
     zos_log("%08lu INFO [%-10s] " fmt "\n", zchip_clock_get_ticket(), TAG, ##__VA_ARGS__); \
   }
-#define ZLOGI_NOT_END_LINE(TAG, fmt, ...)                                                 \
-  if (g_enable_log) {                                                                     \
+#define ZLOGI_NOT_END_LINE(TAG, fmt, ...)                                                \
+  if (g_enable_log) {                                                                    \
     zos_log("%08lu INFO [%-10s] " fmt "", zchip_clock_get_ticket(), TAG, ##__VA_ARGS__); \
   }
 
-#define ZLOGD(TAG, fmt, ...)                                                              \
-  if (g_enable_log) {                                                                     \
+#define ZLOGD(TAG, fmt, ...)                                                               \
+  if (g_enable_log) {                                                                      \
     zos_log("%08lu DEBU [%-10s] " fmt "\n", zchip_clock_get_ticket(), TAG, ##__VA_ARGS__); \
   }
-#define ZLOGE(TAG, fmt, ...)                                                              \
-  if (g_enable_log) {                                                                     \
+#define ZLOGE(TAG, fmt, ...)                                                               \
+  if (g_enable_log) {                                                                      \
     zos_log("%08lu ERRO [%-10s] " fmt "\n", zchip_clock_get_ticket(), TAG, ##__VA_ARGS__); \
   }
 
-#define ZLOGW(TAG, fmt, ...)                                                              \
-  if (g_enable_log) {                                                                     \
+#define ZLOGW(TAG, fmt, ...)                                                               \
+  if (g_enable_log) {                                                                      \
     zos_log("%08lu WARN [%-10s] " fmt "\n", zchip_clock_get_ticket(), TAG, ##__VA_ARGS__); \
   }
 
@@ -43,6 +43,16 @@ extern bool g_enable_log;
       zchip_clock_early_delayus(1000 * 1000);                      \
     }                                                              \
   }
+#define ZASSERT_INFO(cond, info)                                            \
+  if (!(cond)) {                                                            \
+    while (1) {                                                             \
+      zos_log("ASSERT: %s  [%s:%d] %s\n", #cond, __FILE__, __LINE__, info); \
+      zchip_clock_early_delayus(1000);                                      \
+    }                                                                       \
+  }
+
+void zlog_raw(const char* info);
+
 void zos_log(const char* fmt, ...);
 void zos_loggger_init();
 }