diff --git a/apps/earphone/board/br28/board_jl701n_demo_cfg.h b/apps/earphone/board/br28/board_jl701n_demo_cfg.h
index cd61cdf..b920d12 100644
--- a/apps/earphone/board/br28/board_jl701n_demo_cfg.h
+++ b/apps/earphone/board/br28/board_jl701n_demo_cfg.h
@@ -21,7 +21,7 @@
 //*********************************************************************************//
 //                                 UART閰嶇疆                                        //
 //*********************************************************************************//
-#define TCFG_UART0_ENABLE                  ENABLE_THIS_MOUDLE  // 开启 PG6 串口诊断，PC5 保持充电检测用途
+#define TCFG_UART0_ENABLE                  DISABLE_THIS_MOUDLE  // 开启 PG6 串口诊断，PC5 保持充电检测用途
 #define TCFG_UART0_RX_PORT                 NO_CONFIG_PORT     // 只打印，不接收
 #define TCFG_UART0_TX_PORT                 IO_PORTG_06        // PG6 串口发送
 #define TCFG_UART0_BAUDRATE                1000000            // 与 FK_CAR_FW 一致
diff --git a/apps/usr_app/app_function.c b/apps/usr_app/app_function.c
index e998936..74b4daf 100644
--- a/apps/usr_app/app_function.c
+++ b/apps/usr_app/app_function.c
@@ -406,7 +406,7 @@ static void function_hand_poll(void)
         if (s_func.hand_busy) {
             function_hand_stop();
         }
-        log_info("ignore unsupported hand cmd=%d\n", cmd);
+        
     }
     s_func.hand_cmd_last = cmd;
 }