diff --git a/apps/earphone/app_main.c b/apps/earphone/app_main.c
index 10331da..fd9ffae 100644
--- a/apps/earphone/app_main.c
+++ b/apps/earphone/app_main.c
@@ -81,7 +81,7 @@ const struct task_info task_info_table[] = {
 #if AUDIO_ENC_MPT_SELF_ENABLE
     {"enc_mpt_self",		3,	   0,   512,   128 },
 #endif/*AUDIO_ENC_MPT_SELF_ENABLE*/
-    {"update",				1,	   0,   256,   0   },
+    // {"update",				1,	   0,   256,   0   },
     // {"tws_ota",				2,	   0,   256,   0   },
     // {"tws_ota_msg",			2,	   0,   256,   128 },
     // {"dw_update",		 	2,	   0,   256,   128 },
diff --git a/apps/earphone/board/br28/board_jl701n_demo_cfg.h b/apps/earphone/board/br28/board_jl701n_demo_cfg.h
index 0d9b599..b30cb33 100644
--- a/apps/earphone/board/br28/board_jl701n_demo_cfg.h
+++ b/apps/earphone/board/br28/board_jl701n_demo_cfg.h
@@ -47,7 +47,7 @@
 
  */
 #define TCFG_HW_I2C0_PORTS                  'B'
-#define TCFG_HW_I2C0_CLK                    4000000                                  //硬件IIC波特率:100k
+#define TCFG_HW_I2C0_CLK                    1000000                                  //硬件IIC波特率:100k
 
 //*********************************************************************************//
 //                                 硬件SPI 配置                                        //