fix https://github.com/Neilpang/acme.sh/issues/1539

dnsapi/dns_gd.sh

@@ -59,19 +59,13 @@ dns_gd_add() {
 
   _info "Adding record"
   if _gd_rest PUT "domains/$_domain/records/TXT/$_sub_domain" "[$_add_data]"; then
-    if [ "$response" = "{}" ] || [ "$response" = "null" ]; then
     _info "Added, sleeping 10 seconds"
     _sleep 10
     #todo: check if the record takes effect
     return 0
-    else
-      _err "Add txt record error."
-      _err "$response"
-      return 1
-    fi
   fi
   _err "Add txt record error."
-
+  return 1
 }
 
 #fulldomain