diff --git a/code/application/source/sf_app/code/include/sf_system.h b/code/application/source/sf_app/code/include/sf_system.h
index 0bf923f90..e3fe05f9a 100755
--- a/code/application/source/sf_app/code/include/sf_system.h
+++ b/code/application/source/sf_app/code/include/sf_system.h
@@ -66,6 +66,7 @@ UINT8 sf_check_power_on_mode(void);
 void sf_power_off_msg_to_cardv(void);
 SINT32 sf_app_mcu_para_power_no_start(void);
 SINT32 sf_app_mcu_updata_start(void);
+UINT8 sf_app_get_mcu_init_flag(void);
 #ifdef __cplusplus
 #if __cplusplus
 }
diff --git a/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c b/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c
index d75194d76..1a0dd93f1 100755
--- a/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c
+++ b/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c
@@ -456,7 +456,18 @@ unsigned char sf_mcu_reg_set(MCUParam_t attrId, unsigned char val)
     	MLOGE("attrId ERROR!\n");
         return -1;
     }
-
+    
+    for (i = 0; i < 40; i++)
+    {
+        if (1 == sf_app_get_mcu_init_flag())
+        {
+            break;
+        }
+        else
+        {
+            sf_sleep_ms(100);
+        }
+    }
 
 	if(attrId == SF_MCU_POWEROFF)
 	{