diff --git a/code/application/source/sf_app/code/source/4gMng/sf_eg91_sim.c b/code/application/source/sf_app/code/source/4gMng/sf_eg91_sim.c
index 42ea7be92..c0d677c84 100755
--- a/code/application/source/sf_app/code/source/4gMng/sf_eg91_sim.c
+++ b/code/application/source/sf_app/code/source/4gMng/sf_eg91_sim.c
@@ -2870,6 +2870,14 @@ SINT32 sf_module_complete_init(void)
                     SLOGE(logStr);
                     goto SF_MODULE_END;
                 }
+                else if(strstr((const char *)gsmPara, "ERROR"))
+                {
+                    ret = SF_SIM_ERROR_AT_TIMEOUT;
+                    SLOGE(gsmPara);
+                    sprintf((char *)logStr, "Error Code:0x%08X\n", ret);
+                    SLOGE(logStr);
+                    goto SF_MODULE_END;
+                }
                 else
                 {
                     if(time % 10 == 0)
@@ -3150,7 +3158,7 @@ SINT32 sf_net_regist_manual(void)
                             SF_LOG("operation info manual set,default success.\n");
                         }
 
-                        if(strstr((const char *)puiPara->Sim4gApn, APN_4G_VERIZON))
+                        if((strstr((const char *)puiPara->Sim4gApn, APN_4G_VERIZON)) && ((SF_STRNCMP(puiPara->ModuleVer, GPRS_MODULE_TYPE_EG915Q, 6) != 0)))
                         {
                             eNetRegLocation = QUECTEL_NETREG_QNVFW;
                             sprintf((char *)gsmPara, "%s", "at+qnvfr=\"/nv/item_files/modem/uim/gstk/feature_bmsk\"\r");