diff --git a/.travis/check-nginxconf.sh b/.travis/check-nginxconf.sh
index ba8e4b78..938325a1 100644
--- a/.travis/check-nginxconf.sh
+++ b/.travis/check-nginxconf.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
 #
 # Licensed to the Apache Software Foundation (ASF) under one or more
diff --git a/bin/apisix b/bin/apisix
index eea31ef2..db8e97bc 100755
--- a/bin/apisix
+++ b/bin/apisix
@@ -103,6 +103,7 @@ worker_shutdown_timeout 3;
 {% if stream_proxy then %}
 stream {
     lua_package_path  "$prefix/deps/share/lua/5.1/?.lua;/usr/share/lua/5.1/apisix/lua/?.lua;]=]
+                      .. [=[/usr/local/share/lua/5.1/apisix/lua/?.lua;]=]
                       .. [=[$prefix/deps/share/lua/5.1/apisix/lua/?.lua;]=]
                       .. [=[{*apisix_lua_home*}/lua/?.lua;;{*lua_path*};";
     lua_package_cpath "$prefix/deps/lib64/lua/5.1/?.so;]=]
@@ -150,6 +151,7 @@ stream {
 
 http {
     lua_package_path  "$prefix/deps/share/lua/5.1/?.lua;/usr/share/lua/5.1/apisix/lua/?.lua;]=]
+                      .. [=[/usr/local/share/lua/5.1/apisix/lua/?.lua;]=]
                       .. [=[$prefix/deps/share/lua/5.1/apisix/lua/?.lua;]=]
                       .. [=[{*apisix_lua_home*}/lua/?.lua;;{*lua_path*};";
     lua_package_cpath "$prefix/deps/lib64/lua/5.1/?.so;]=]