diff --git a/mbtk/mbtk_rild_v2/src/atchannel.c b/mbtk/mbtk_rild_v2/src/atchannel.c
index 264ea2a..b2096da 100755
--- a/mbtk/mbtk_rild_v2/src/atchannel.c
+++ b/mbtk/mbtk_rild_v2/src/atchannel.c
@@ -978,7 +978,7 @@
 
 static long long at_timeout_get(const char *at_command, bool *timeout_close)
 {
-    long long timeout = 15000;
+    long long timeout = 0;
     int i;
     for(i = 0; i <  ARRAY_SIZE(at_timeout_list); i++)
     {