diff --git a/code/application/source/sf_app/code/include/sf_eg91_gps.h b/code/application/source/sf_app/code/include/sf_eg91_gps.h
index d0a1eb2e1..f4de4579f 100755
--- a/code/application/source/sf_app/code/include/sf_eg91_gps.h
+++ b/code/application/source/sf_app/code/include/sf_eg91_gps.h
@@ -62,6 +62,8 @@ SINT32 eg91_gps_search(SF_FN_PARAM_S *pfnParam,SF_PARA_TIME_S *pNowTime,UINT8 au
 
 SINT32 eg91_gps_Isupdate(SF_FN_PARAM_S *pfnParam,UINT8 *pIsupdate,SF_PARA_TIME_S *pNowTime,UINT8 u8day);
 
+UINT32 sf_gps_close(void);
+
 #ifdef __cplusplus
 #if __cplusplus
 }
diff --git a/code/application/source/sf_app/code/source/4gMng/sf_eg91_gps.c b/code/application/source/sf_app/code/source/4gMng/sf_eg91_gps.c
index 87a8ad30c..1a04f631b 100755
--- a/code/application/source/sf_app/code/source/4gMng/sf_eg91_gps.c
+++ b/code/application/source/sf_app/code/source/4gMng/sf_eg91_gps.c
@@ -17,12 +17,15 @@
 #include "sf_eg91_sim.h"
 #include "sf_param_common.h"
 #include "sf_module.h"
-
+#include "sf_commu_mcu_reg.h"
+#include "sf_common.h"
 #ifdef __cplusplus
 #if __cplusplus
 extern "C" {
 #endif
 #endif
+extern char logStr[128];
+extern char gsmPara[GPRS_INFO_LINE_MAX];
 
 static unsigned long int gps_get_seconds(SF_PARA_TIME_S *pTime)
 {
@@ -1011,7 +1014,119 @@ SINT32 eg91_gps_search_result(SF_FN_PARAM_S *pfnParam)
     }
     return ret;
 }
+/*************************************************
+   Function: sf_gps_close
+   Description: gps close
+   Input:  N/A
+   Output: N/A
+   Return: N/A
+   Others: N/A
+*************************************************/
+UINT32 sf_gps_close(void)
+{
+	SINT32 ret = 0;         //0:start; 1:success; 2:timeout; 3:fail;
+	UINT8 time = 0;
+	UINT8 calltime = 0;
+	SIM_SEARCH_GPS_e eSmsLocation = SIM_SEARCH_GPS_END;
+	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};
 
+	printf("[%s:%d] s\n", __FUNCTION__, __LINE__);
+
+    sf_gsm_para_buff_clear();
+	while(sf_app_while_flag())
+	{
+		switch(eSmsLocation)
+		{
+			case SIM_SEARCH_GPS_END:
+
+				if(strstr((const char *)gsmPara, "OK"))
+				{
+                    if(strstr(puiPara->ModuleVer, GPRS_MODULE_TYPE_EG915Q))
+                    {
+                        strcpy((char *)gsmPara, "AT+QGPSXTRA=0\r");
+                        ttyRet = sf_hal_ttyusb2_write(gsmPara, strlen(gsmPara));
+                        SF_CHECK_RETURN(ttyRet, SF_SIM_ERROR_AT_TIMEOUT);
+                        eSmsLocation = SIM_SEARCH_GPS_EXIT;
+                    }
+                    else {
+                        goto SF_GPS_RETURN;
+                    }
+
+				}
+				else
+				{
+                    if(strstr(puiPara->ModuleVer, GPRS_MODULE_TYPE_EG915Q))
+                    {
+                        strcpy((char *)gsmPara, "AT+QGPS=0\r");
+                    }
+                    else {
+                        strcpy((char *)gsmPara, "AT+QGPSEND\r");
+                    }
+
+                    ttyRet = sf_hal_ttyusb2_write(gsmPara, strlen(gsmPara));
+                    SF_CHECK_RETURN(ttyRet, SF_SIM_ERROR_AT_TIMEOUT);
+					if(!puiPara->GprsMode)
+					{
+						sf_sleep_ms(800);
+					}
+				}
+				break;
+
+			case SIM_SEARCH_GPS_EXIT:
+
+                if(strstr((const char *)gsmPara, "OK"))
+                {
+                    goto SF_GPS_RETURN;
+                }
+                else if(strstr((const char *)gsmPara, "ERROR"))
+                {
+                    strcpy((char *)gsmPara, "AT+QGPSXTRA=0\r");
+                    ttyRet = sf_hal_ttyusb2_write(gsmPara, strlen(gsmPara));
+                    SF_CHECK_RETURN(ttyRet, SF_SIM_ERROR_AT_TIMEOUT);
+                }
+                else
+                {
+                    calltime++;
+
+                    if(calltime > 20)
+                    {
+                        ret = SF_SIM_ERROR_AT_TIMEOUT;
+                        sprintf((char *)logStr, "[%s:%d]ErrorCode=0x%08x,AT+QGPSXTRA Timeout.", __FUNCTION__, __LINE__, ret);
+                        SLOGE(logStr);
+                        goto SF_GPS_RETURN;
+                    }
+                }
+
+				break;
+			default:
+				break;
+		}
+        sf_gsm_para_buff_clear();
+        sf_hal_ttyusb2_read_buf(&ttyData);
+		printf("-----eSmsLocation:%d-----time:%d-----\n", eSmsLocation, time);
+        if(gsmPara[0] != '\0')
+        {
+            printf("[%s:%d]gsmPara===>%s<================end\n", __FUNCTION__, __LINE__, gsmPara);
+        }
+
+		time++;
+		if(time >= 100)
+		{
+			ret = SF_SIM_ERROR_AT_TIMEOUT;
+			sprintf((char *)logStr, "ReadMsg Wait Init Timeout.\n[ERROR]eSmsLocation=%d", eSmsLocation);
+			SLOGE(logStr);
+			time = 0;
+			goto SF_GPS_RETURN;
+		}
+	}
+
+ SF_GPS_RETURN:
+
+	printf("[%s:%d] ret:%d\n", __FUNCTION__, __LINE__, ret);
+	return ret;
+}
 
 #ifdef __cplusplus
 #if __cplusplus
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 9e5a8259b..cb678c0de 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
@@ -19,7 +19,6 @@ extern "C" {
 #include "sf_eg91_sim.h"
 #include "sf_param_common.h"
 #include "sf_common.h"
-#include "sf_commu_mcu_reg.h"
 #include "sf_datahttp.h"
 #include "sf_service.h"
 #include "sf_ftp.h"
diff --git a/code/application/source/sf_app/code/source/app/sf_service.c b/code/application/source/sf_app/code/source/app/sf_service.c
index 73b6dfd0b..45b1401a8 100755
--- a/code/application/source/sf_app/code/source/app/sf_service.c
+++ b/code/application/source/sf_app/code/source/app/sf_service.c
@@ -58,7 +58,7 @@
 #include "at_manager.h"
 #include "Log.h"
 #include "sf_4g_lpa.h"
-
+#include "sf_eg91_gps.h"
 #ifdef __cplusplus
 #if __cplusplus
 extern "C" {
@@ -1880,7 +1880,8 @@ static SINT32 app_Register_Net_startup_mode(SF_FN_PARAM_S *pfnParam)
             .period_ms = KEEP_SERACHING_PERIOD_MS,
         };
         keep_get_gps_location(gps_param);
-        gps_close();
+        //gps_close();
+        sf_gps_close();
     }
 
         s32ret = sf_read_message();