diff --git a/code/application/source/sf_app/code/source/4gMng/sf_sms.c b/code/application/source/sf_app/code/source/4gMng/sf_sms.c
index 66929bf47..63beb7337 100755
--- a/code/application/source/sf_app/code/source/4gMng/sf_sms.c
+++ b/code/application/source/sf_app/code/source/4gMng/sf_sms.c
@@ -1298,7 +1298,8 @@ SINT32 sf_sms_read_message(void)
 	int msmflag = 0;
 	int msmtmp[255] = { 0 };
 	int msmmb = 0;
-    //static testflag = 0;
+    //static int testflag = 0;
+	SF_TTY_DATA_TYPE_S ttyData = { .waitMs = 2000, .len = 3, .lenMax = (GPRS_INFO_LINE_MAX-1), .cmp = "OK", .cmperr = "ERROR", .data = gsmPara};
 
 	UIMenuStoreInfo *pPara = sf_app_ui_para_get();
 	SF_PDT_PARAM_STATISTICS_S *pSifarPara = sf_statistics_param_get();
@@ -1318,7 +1319,8 @@ SINT32 sf_sms_read_message(void)
 				ttyRet = sf_hal_ttyusb2_write(gsmPara, strlen((const char *)gsmPara));
 				printf("%s:%d s\n", __FUNCTION__, __LINE__);
 				SF_CHECK_RETURN(ttyRet, SF_GPRS_MODULE_ERROR_WRITE);
-
+                ttyData.cmp = "OK";
+                ttyData.len = strlen(gsmPara) + 2;
 				break;
 
 			case SMS_SIM_IRA:
@@ -1328,7 +1330,8 @@ SINT32 sf_sms_read_message(void)
 				printf("%s:%d s\n", __FUNCTION__, __LINE__);
 				ttyRet = sf_hal_ttyusb2_write(gsmPara, strlen((const char *)gsmPara));
 				SF_CHECK_RETURN(ttyRet, SF_GPRS_MODULE_ERROR_WRITE);
-
+                ttyData.cmp = "OK";
+                ttyData.len = strlen(gsmPara) + 2;
 				break;
 
 			case SMS_SIM_CMGR:
@@ -1412,7 +1415,8 @@ SINT32 sf_sms_read_message(void)
 				sprintf((char *)gsmPara, "AT+CMGR=%d\r", number); //read message
 				ttyRet = sf_hal_ttyusb2_write(gsmPara, strlen((const char *)gsmPara));
 				SF_CHECK_RETURN(ttyRet, SF_GPRS_MODULE_ERROR_WRITE);
-
+                ttyData.cmp = "+CMGR:";
+                ttyData.len = strlen(gsmPara) + 2;
 				//number++;
 				if((pSifarPara->SmsFlag == 1) && (msmll))
 				{
@@ -1431,7 +1435,7 @@ SINT32 sf_sms_read_message(void)
 				printf("\n[%s:%d] pSifarPara->SmsFlag:%d\n", __FUNCTION__, __LINE__, pSifarPara->SmsFlag);
                 /*if(0 == testflag)
                 {
-                    snprintf((char *)gsmPara, sizeof(gsmPara), "AT+CMGR=0+CMGR: \"REC UNREAD\",\"8619925440232\",,\"22/10/25,14:29:23+32\"$R09*10#W1000001#W1000003#W1000005#W1000007#W1000009#W1000011#W1000013#W1000015#W1000017#W1000019$");
+                    snprintf((char *)gsmPara, sizeof(gsmPara), "AT+CMGR=0+CMGR: \"REC UNREAD\",\"8619925440232\",,\"22/10/25,14:29:23+32\"$R06*1$");
                     testflag = 1;
                 }*/
 
@@ -1546,6 +1550,8 @@ SINT32 sf_sms_read_message(void)
 				ttyRet = sf_hal_ttyusb2_write(gsmPara, strlen((const char *)gsmPara));
 				SF_CHECK_RETURN(ttyRet, SF_GPRS_MODULE_ERROR_WRITE);
 				eSmsLocation = SMS_SIM_EXIT;
+                ttyData.cmp = "OK";
+                ttyData.len = strlen(gsmPara) + 2;
 				break;
 
 			case SMS_SIM_EXIT:
@@ -1563,8 +1569,8 @@ SINT32 sf_sms_read_message(void)
 		}
 
         sf_gsm_para_buff_clear();
-
-		sf_hal_ttyusb2_read(gsmPara, 200);
+		//sf_hal_ttyusb2_read(gsmPara, 200);
+        sf_hal_ttyusb2_read_buf(&ttyData);
 		printf("-----eSmsLocation:%d-----time:%d-----\n", eSmsLocation, time);
 
 		if((gsmPara[0] != '\0') && (eSmsLocation != SMS_SIM_PARA))
@@ -1611,6 +1617,8 @@ SINT32 sf_check_message(void)
 	SINT32 ttyRet = 0;
     char strtmp[20] = {0};
     UIMenuStoreInfo *puiPara = sf_app_ui_para_get();
+    SF_TTY_DATA_TYPE_S ttyData = { .waitMs = 2000, .len = 3, .lenMax = (GPRS_INFO_LINE_MAX-1), .cmp = "OK", .cmperr = "ERROR", .data = gsmPara};
+
 	printf("%s:%d s\n", __FUNCTION__, __LINE__);
 
 	if(SUCCESS != app_ttyusb_IsOpen())
@@ -1651,8 +1659,8 @@ SINT32 sf_check_message(void)
 		}
 
         sf_gsm_para_buff_clear();
-
-		sf_hal_ttyusb2_read(gsmPara, 200);
+		//sf_hal_ttyusb2_read(gsmPara, 200);
+        sf_hal_ttyusb2_read_buf(&ttyData);
 
 		if(gsmPara[0] != '\0')
 		{
@@ -1674,6 +1682,8 @@ SINT32 sf_check_message(void)
 				strcpy((char *)gsmPara, "AT+QCFG=\"sms/listmsgmap\",\"REC UNREAD\"\r");
 				ttyRet = sf_hal_ttyusb2_write(gsmPara, strlen((const char *)gsmPara));
 				SF_CHECK_RETURN(ttyRet, SF_GPRS_MODULE_ERROR_WRITE);
+                ttyData.cmp = "+QCFG:";
+                ttyData.len = strlen(gsmPara) + 2;
 				continue;
 			}
 			else
@@ -1694,9 +1704,11 @@ SINT32 sf_check_message(void)
 					location = MMS_ATCMGL1;
 					//strcpy((char *)gsmPara, "AT+CMGL=\"ALL\"\r");
 					strcpy((char *)gsmPara, "AT+QCFG=\"sms/listmsgmap\",\"REC UNREAD\"\r");
-				ttyRet = sf_hal_ttyusb2_write(gsmPara, strlen((const char *)gsmPara));
+				    ttyRet = sf_hal_ttyusb2_write(gsmPara, strlen((const char *)gsmPara));
 					SF_CHECK_RETURN(ttyRet, SF_GPRS_MODULE_ERROR_WRITE);
 					sf_sleep_ms(500);
+                    ttyData.cmp = "+QCFG:";
+                    ttyData.len = strlen(gsmPara) + 2;
 				}
 
 				break;
@@ -1810,6 +1822,8 @@ SINT32 sf_check_message(void)
 						strcpy((char *)gsmPara, "AT+QCFG=\"sms/listmsgmap\",\"REC READ\"\r");
 						ttyRet = sf_hal_ttyusb2_write(gsmPara, strlen((const char *)gsmPara));
 						SF_CHECK_RETURN(ttyRet, SF_GPRS_MODULE_ERROR_WRITE);
+                        ttyData.cmp = "+QCFG:";
+                        ttyData.len = strlen(gsmPara) + 2;
 					}
 					else
 					{
@@ -1827,6 +1841,8 @@ SINT32 sf_check_message(void)
 					ttyRet = sf_hal_ttyusb2_write(gsmPara, strlen((const char *)gsmPara));
 					SF_CHECK_RETURN(ttyRet, SF_GPRS_MODULE_ERROR_WRITE);
 					sf_sleep_ms(500);
+                    ttyData.cmp = "+QCFG:";
+                    ttyData.len = strlen(gsmPara) + 2;
 				}
 
 				break;
@@ -2148,6 +2164,8 @@ SINT32 sf_power_off_check_sms(void)
     UINT8 PowerOnMode = sf_poweron_type_get();
     SINT32 sendFlag = SF_FAILURE;
     UIMenuStoreInfo *puiPara = sf_app_ui_para_get();
+    SLOGD(" s %d %d\n",sf_get_sim_insert(), sf_app_while_flag());
+
     	/*instant, hybrid mode*/
 	if((!sf_get_signal_ready_flag()) && (sf_get_sim_insert()) && (sf_app_while_flag()))
 	{