diff --git a/extlibs/libespfs b/extlibs/libespfs
index a646e3e..03ff681 160000
--- a/extlibs/libespfs
+++ b/extlibs/libespfs
@@ -1 +1 @@
-Subproject commit a646e3ee0594ec2301e9b3fe6373ea274eb39e39
+Subproject commit 03ff681a61cb03a43c6f008601a6e6090e9df2bd
diff --git a/src/HTTPPostSystem.c b/src/HTTPPostSystem.c
index 3497b4c..cbfba18 100644
--- a/src/HTTPPostSystem.c
+++ b/src/HTTPPostSystem.c
@@ -516,9 +516,9 @@ static HTTP_IO_RESULT HTTPPostSystemSettings(httpd_req_t *req, char *PostData)
     {
         if (!strcmp(tmp, (const char*) "1"))
         {
-            ModemSendAT("AT\r");
             return HTTP_IO_DONE_NOREFRESH;
         }
+#if CONFIG_WEBGUIAPP_GPRS_ENABLE
         else if (!strcmp(tmp, (const char*) "2"))
         {
             ModemSendAT("AT+CCLK?\r");
@@ -534,6 +534,7 @@ static HTTP_IO_RESULT HTTPPostSystemSettings(httpd_req_t *req, char *PostData)
             ModemSendAT("ATH\r");
             return HTTP_IO_DONE_NOREFRESH;
         }
+#endif
         else if (!strcmp(tmp, (const char*) "5"))
         {
             return HTTP_IO_DONE_NOREFRESH;
diff --git a/src/HTTPPrintSystem.c b/src/HTTPPrintSystem.c
index d62da8f..4591edc 100644
--- a/src/HTTPPrintSystem.c
+++ b/src/HTTPPrintSystem.c
@@ -27,7 +27,7 @@
 #include "esp_wifi.h"
 #include "NetTransport.h"
 #include "esp_ota_ops.h"
-#include "ROMFS.h"
+#include "romfs.h"
 #include "esp_idf_version.h"
 #include "jWrite.h"