diff --git a/openwrt/files/ua3f.init b/openwrt/files/ua3f.init
index 114cf54..4ba7556 100755
--- a/openwrt/files/ua3f.init
+++ b/openwrt/files/ua3f.init
@@ -25,7 +25,7 @@ start_service() {
     config_get port "main" "port" "1080"
     config_get bind "main" "bind" "127.0.0.1"
     config_get ua "main" "ua" "FFF"
-    config_get ua_regex "main" "ua_regex" "(iPhone|iPad|Android|Macintosh|Windows|Linux)"
+    config_get ua_regex "main" "ua_regex" ""
     config_get_bool partial_replace "main" "partial_replace" 0
     config_get log_level "main" "log_level" "info"
 
@@ -52,7 +52,7 @@ start_service() {
         procd_set_param user shellcrash
     fi
     procd_set_param group nogroup
-    
+
     procd_close_instance
 }