diff --git a/code/application/source/sf_app/code/source/4gMng/sf_eg91_sim.c b/code/application/source/sf_app/code/source/4gMng/sf_eg91_sim.c
index f424f24ff..f40410766 100755
--- a/code/application/source/sf_app/code/source/4gMng/sf_eg91_sim.c
+++ b/code/application/source/sf_app/code/source/4gMng/sf_eg91_sim.c
@@ -3296,7 +3296,7 @@ SINT32 sf_net_regist_manual(void)
     char *pTemp = NULL;
     char *delim = NULL;
 	UIMenuStoreInfo *puiPara = sf_app_ui_para_get();
-	SF_TTY_DATA_TYPE_S ttyData = { .waitMs = 500, .len = 3, .lenMax = (GPRS_INFO_LINE_MAX-1), .cmp = "OK", .cmperr = "ERROR", .data = gsmPara};
+	SF_TTY_DATA_TYPE_S ttyData = { .waitMs = 500, .len = 255, .lenMax = (GPRS_INFO_LINE_MAX-1), .cmp = "OK", .cmperr = "ERROR", .data = gsmPara};
 
     SF_LOG(" s\n");
 
@@ -4998,7 +4998,7 @@ SINT32 sf_get_utc(VOID)
     printf("[%s:%d] s\n", __FUNCTION__, __LINE__);
 
 	UIMenuStoreInfo *pPara = sf_app_ui_para_get();
-	SF_TTY_DATA_TYPE_S ttyData = { .waitMs = 1000, .len = 3, .lenMax = (GPRS_INFO_LINE_MAX-1), .cmp = "OK", .cmperr = "ERROR", .data = gsmPara};
+	SF_TTY_DATA_TYPE_S ttyData = { .waitMs = 1000, .len = 255, .lenMax = (GPRS_INFO_LINE_MAX-1), .cmp = "OK", .cmperr = "ERROR", .data = gsmPara};
 
 
 	sf_gsm_para_buff_clear();
@@ -5135,7 +5135,7 @@ SINT32 sf_get_ntp(SINT32 value, SF_PARA_TIME_S *current_time)
     printf("[%s:%d] s\n", __FUNCTION__, __LINE__);
 
 	UIMenuStoreInfo *pPara = sf_app_ui_para_get();
-	SF_TTY_DATA_TYPE_S ttyData = { .waitMs = 1000, .len = 3, .lenMax = (GPRS_INFO_LINE_MAX-1), .cmp = "OK", .cmperr = "ERROR", .data = gsmPara};
+	SF_TTY_DATA_TYPE_S ttyData = { .waitMs = 1000, .len = 255, .lenMax = (GPRS_INFO_LINE_MAX-1), .cmp = "OK", .cmperr = "ERROR", .data = gsmPara};
 
 	// SF_DEBUG("Sim4gApn=%s", pPara->Sim4gApn);
 
@@ -5292,15 +5292,16 @@ SINT32 sf_get_ntp(SINT32 value, SF_PARA_TIME_S *current_time)
             case SMS_SIM_INIT_QIDEACT:
  SF_GEN_NTP_QIDEACT:
                 // SF_DEBUG("modeule ver:%s", pPara->ModuleVer);
- 				if(SF_STRNCMP(pPara->ModuleVer, GPRS_MODULE_TYPE_EG915Q, 6) == 0)
- 				{
- 				   //eg915q not eact pdp
- 				    sprintf((char *)gsmPara, "AT\r");
- 				}
-				else
-				{
-					 sprintf((char *)gsmPara, "AT+QIDEACT=%d\r", pdpIndex);
-				}
+ 				// if(SF_STRNCMP(pPara->ModuleVer, GPRS_MODULE_TYPE_EG915Q, 6) == 0)
+ 				// {
+ 				//    //eg915q not eact pdp
+ 				//     sprintf((char *)gsmPara, "AT\r");
+ 				// }
+				// else
+				// {
+				// 	 sprintf((char *)gsmPara, "AT+QIDEACT=%d\r", pdpIndex);
+				// }
+                sprintf((char *)gsmPara, "AT\r");
                 ttyRet = sf_hal_ttyusb2_write(gsmPara, strlen(gsmPara));
                 SF_CHECK_RETURN(ttyRet, SF_GPRS_MODULE_ERROR_WRITE);
                 eSmsLocation = SMS_SIM_INIT_EXIT;
@@ -5473,7 +5474,7 @@ UINT32 sf_sim_qsclk(UINT8 mode) //mode = 2, gprsmode = 1
 	SF_SIM_E eSmsLocation = SMS_SIM_INIT_DTRUP;
 	int ttyRet = 0;
     UIMenuStoreInfo *puiPara = sf_app_ui_para_get();
-	SF_TTY_DATA_TYPE_S ttyData = { .waitMs = 1000, .len = 3, .lenMax = (GPRS_INFO_LINE_MAX-1), .cmp = "OK", .cmperr = "ERROR", .data = gsmPara};
+	SF_TTY_DATA_TYPE_S ttyData = { .waitMs = 1000, .len = 255, .lenMax = (GPRS_INFO_LINE_MAX-1), .cmp = "OK", .cmperr = "ERROR", .data = gsmPara};
 
 	printf("[%s:%d] s\n", __FUNCTION__, __LINE__);
 
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 27a12d9fb..f69418aca 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
@@ -43,7 +43,7 @@
 #include "sf_battery.h"
 #include "sf_system.h"
 #include "sf_4G_sms_lpa_cmd.h"
-
+#include "sf_otamng.h"
 /**************************************************************************
 *                           C O N S T A N T S                            *
 **************************************************************************/
@@ -1473,7 +1473,7 @@ SINT32 sf_sms_read_message(void)
 	int msmtmp[255] = { 0 };
 	int msmmb = 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};
+	SF_TTY_DATA_TYPE_S ttyData = { .waitMs = 2000, .len = 255, .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();
@@ -2505,7 +2505,7 @@ SINT32 sf_power_off_module_ota(void)
             else
             {
                 ret = sf_4g_module_ota_ftp();//need restart module
-                
+                // ret = sf_module_ota_ftp();
                 //if(ret == OTA_UPDATED_ERROR || ret == OTA_SUCCESS || ret == OTA_VERTION_ERROR || ret == OTA_TIME_OUT)
                 {
                     if(CameraCmd.setPara)