diff --git a/mbtk/libgsw_lib/gsw_data_interface.c b/mbtk/libgsw_lib/gsw_data_interface.c
index 96e893c..ea42013 100755
--- a/mbtk/libgsw_lib/gsw_data_interface.c
+++ b/mbtk/libgsw_lib/gsw_data_interface.c
@@ -670,9 +670,11 @@
     }
     else if(0 == strcmp(LinkInf->authType, "3"))
     {
-        //nonsupport
+     /*   //nonsupport
         LOGE(GSW_DATA,"[%s] LinkInf->authType(3) nonsupport", __func__);
-        return GSW_HAL_NORMAL_FAIL;
+        return GSW_HAL_NORMAL_FAIL;*/
+        memcpy(auth_type, "CHAP", strlen("CHAP"));/*in T106 if set chap and pap, chap and chap are used, all use chap here, hq modify for the timebing 25/07/24*/
+      
     }
     else
     {