diff --git a/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIInfo/UICfgDefault.h b/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIInfo/UICfgDefault.h
index 400b0f54b..2e30fd94f 100755
--- a/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIInfo/UICfgDefault.h
+++ b/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIInfo/UICfgDefault.h
@@ -197,7 +197,7 @@
 #else
 #define DEFAULT_BOOT_WORK_MODE    SF_CAM_MODE_PHOTO//
 #define DEFAULT_NET_WORK_NEED_SEARCH    SF_ON
-#define DEFAULT_AUTO_OFF_SWITCH   SF_OFF
+#define DEFAULT_AUTO_OFF_SWITCH   SF_ON
 #define DEFAULT_PIR_SWITCH    SF_ON
 #define DEFAULT_PIR_SENSITIVITY    SF_PIR_SENSITIVITY_7
 #define DEFAULT_TIMELAPSE_SWITCH    SF_OFF
diff --git a/code/application/source/sf_app/code/include/sf_eg91_sim.h b/code/application/source/sf_app/code/include/sf_eg91_sim.h
index 80abb7280..f90497a10 100755
--- a/code/application/source/sf_app/code/include/sf_eg91_sim.h
+++ b/code/application/source/sf_app/code/include/sf_eg91_sim.h
@@ -23,7 +23,7 @@ extern "C" {
 #define SF_NTP_SITE2 			"time.nist.gov"
 
 #define APN_4G_USCC                    "uscc"
-#define APN_4G_ATT                     "nxtgenphone"
+#define APN_4G_ATT                     "iot0120.com.attz"
 #define APN_4G_VERIZON                 "vzwinternet"
 #define APN_4G_TMOBBILE				   "fast.t-mobile.com"
 
diff --git a/code/application/source/sf_app/code/include/sf_hal_ttyusb.h b/code/application/source/sf_app/code/include/sf_hal_ttyusb.h
index 5d22cfa66..ceca11920 100755
--- a/code/application/source/sf_app/code/include/sf_hal_ttyusb.h
+++ b/code/application/source/sf_app/code/include/sf_hal_ttyusb.h
@@ -42,7 +42,7 @@ extern "C" {
 #define  GPRS_MODULE_TYPE_EG915Q "EG915Q"
 
 
-#define  A_MODULE_APN     "nxtgenphone"
+#define  A_MODULE_APN     "iot0120.com.attz"
 #define  V_MODULE_APN	  "vzwinternet"
 
 
diff --git a/code/application/source/sf_app/code/source/4gMng/sf_4G_auto_operation.c b/code/application/source/sf_app/code/source/4gMng/sf_4G_auto_operation.c
index b95e4342d..b8a1b49ea 100755
--- a/code/application/source/sf_app/code/source/4gMng/sf_4G_auto_operation.c
+++ b/code/application/source/sf_app/code/source/4gMng/sf_4G_auto_operation.c
@@ -66,7 +66,8 @@ UINT32 sf_auto_operation_adjust(void)
 	}
 	else if((SF_STRNCMP(puiPara->OperatorCode, "46003", 5) == 0) || (SF_STRNCMP(puiPara->OperatorCode, "46005", 5) == 0) || (SF_STRNCMP(puiPara->OperatorCode, "46011", 5) == 0))//china Telecom
 	{
-		SF_STRCPY(puiPara->Sim4gApn, "vzwinternet");
+		SF_STRCPY(puiPara->Sim4gApn, "CTNET");
+		//SF_STRCPY(puiPara->Sim4gApn, "iot0120.com.attz");
 		SF_STRCPY(puiPara->Sim4gUsr, "\0");
 		SF_STRCPY(puiPara->Sim4gPwd, "\0");
 
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 bdd607a2c..e67a7fed9 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
@@ -3423,7 +3423,6 @@ SINT32 sf_net_regist_manual(void)
 							//callTime = SF_QUECTEL_NET_REG_CALLTIME_MAX; /*4 min*/
 							sprintf((char *)gsmPara, "%s", "AT+CGDCONT=1,\"IPV4V6\",\"\"\r");
 							eNetRegLocation = QUECTEL_NETREG_CGDCONT;
-                        	
 						}
                     }
                     else
@@ -4950,7 +4949,16 @@ SINT32 sf_get_ntp(SINT32 value, SF_PARA_TIME_S *current_time)
 
             case SMS_SIM_INIT_QIDEACT:
  SF_GEN_NTP_QIDEACT:
-                sprintf((char *)gsmPara, "AT+QIDEACT=%d\r", pdpIndex);
+                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);
+				}
                 ttyRet = sf_hal_ttyusb2_write(gsmPara, strlen(gsmPara));
                 SF_CHECK_RETURN(ttyRet, SF_GPRS_MODULE_ERROR_WRITE);
                 eSmsLocation = SMS_SIM_INIT_EXIT;
diff --git a/code/application/source/sf_app/code/source/4gMng/sf_opera_adapt.c b/code/application/source/sf_app/code/source/4gMng/sf_opera_adapt.c
index fdf70f324..a257f3b2a 100755
--- a/code/application/source/sf_app/code/source/4gMng/sf_opera_adapt.c
+++ b/code/application/source/sf_app/code/source/4gMng/sf_opera_adapt.c
@@ -75,7 +75,8 @@ SINT32 sf_auto_operation_adaptation(SF_CHAR *operatorName, UIMenuStoreInfo *sim_
 	}
 	else if((strncmp(operatorName, "46003", 5) == 0) || (strncmp(operatorName, "46005", 5) == 0) || (strncmp(operatorName, "46011", 5) == 0))//china telcom
 	{
-		strcpy(sim_info_t->Sim4gApn, "vzwinternet"); 
+		//strcpy(sim_info_t->Sim4gApn, "vzwinternet"); 
+		strcpy(sim_info_t->Sim4gApn, "CTNET"); 
 		strcpy(sim_info_t->Sim4gUsr, "\0");
 		strcpy(sim_info_t->Sim4gPwd, "\0");