diff --git a/mbtk/libgsw_lib/gsw_data_interface.c b/mbtk/libgsw_lib/gsw_data_interface.c
index 9d2af55..b12841e 100755
--- a/mbtk/libgsw_lib/gsw_data_interface.c
+++ b/mbtk/libgsw_lib/gsw_data_interface.c
@@ -660,7 +660,7 @@
         LOGE("mbtk_pdp_state_change_cb_reg fail\n");
         return GSW_HAL_NORMAL_FAIL;
     }
-    
+
     gsw_data_call_evt_cb = evt_cb;
     data_init_flag = 1;
     return GSW_HAL_SUCCESS;