diff --git a/V1.5/STM32F103_App1/HardWare/USER_CMD/user_cmd.c b/V1.5/STM32F103_App1/HardWare/USER_CMD/user_cmd.c
index 38c7cf0..a1f9427 100644
--- a/V1.5/STM32F103_App1/HardWare/USER_CMD/user_cmd.c
+++ b/V1.5/STM32F103_App1/HardWare/USER_CMD/user_cmd.c
@@ -118,7 +118,10 @@ void process_usart1_command(void)
     else if (cmd_is(cmd, "LOG_WARN"))  { log_set_level(LOG_WARN);  log_info("> BT: 日志等级 WARN"); }
     else if (cmd_is(cmd, "LOG_ERROR")) { log_set_level(LOG_ERROR); log_info("> BT: 日志等级 ERROR"); }
     else if (cmd_is(cmd, "LOG_FATAL")) { log_set_level(LOG_FATAL); log_info("> BT: 日志等级 FATAL"); }
-    else if (cmd_is(cmd, "LOG"))       { log_info("> BT: 当前日志等级 %d", (int)log_get_level()); }
+    else if (cmd_is(cmd, "LOG"))       {
+        static const char *lvs[] = {"TRACE", "DEBUG", "INFO", "WARN", "ERROR", "FATAL"};
+        log_info("> BT: 当前日志等级 %s", lvs[(int)log_get_level()]);
+    }
     else if (cmd_is(cmd, "HELP")) {
         log_info("CMD: RESET, INFO, STATUS, R1ON/R1OFF~R4ON/R4OFF, ALLON, ALLOFF, OTA, RECOVERY, HELP");
     }