tcpip: fix tcpip code

Change-Id: I6daf58f918b1568f712c6e2b56a56d22c9678c43
diff --git a/mbtk/mbtk_lib/src/mbtk_tcpip_at.c b/mbtk/mbtk_lib/src/mbtk_tcpip_at.c
index ccfe1ad..8490ede 100755
--- a/mbtk/mbtk_lib/src/mbtk_tcpip_at.c
+++ b/mbtk/mbtk_lib/src/mbtk_tcpip_at.c
@@ -187,7 +187,14 @@
 
             if(sock_error) {
                 LOGW("errno = %d", errno);
-                return;
+                if(sock_error == ECONNRESET|| errno == EAGAIN)
+                {
+                    //
+                }
+                else
+                {
+                    return;
+                }
             }
 
             if(sock_info->sock_type == MBTK_SOCK_TCP) {