diff --git a/plugins/op_waf/t/ngx_debug.sh b/plugins/op_waf/t/ngx_debug.sh
index e29a97da3..6957697c5 100644
--- a/plugins/op_waf/t/ngx_debug.sh
+++ b/plugins/op_waf/t/ngx_debug.sh
@@ -19,12 +19,19 @@ name=$2
 
 # /opt/openresty-systemtap-toolkit/sample-bt -p 496435 -t 5 -k > a.bt
 
+# export PATH=$PATH:/opt/stapxx
+# /opt/stapxx/samples/lj-lua-stacks.sxx --arg time=5 --skip-badvars -x 562556 -DSTP_NO_OVERLOAD > tmp.bt
 
 
 if [ ! -d /opt/openresty-systemtap-toolkit ];then
     cd /opt && git clone https://github.com/openresty/openresty-systemtap-toolkit
 fi
 
+if [ ! -d stapxx ];then
+    cd /opt && git clone https://github.com/openresty/stapxx
+fi
+
+
 if [ ! -d /opt/FlameGraph ];then
     cd /opt && git clone https://github.com/brendangregg/FlameGraph
 fi
diff --git a/plugins/openresty/install.sh b/plugins/openresty/install.sh
index 214bffcaf..7a1fc76c2 100755
--- a/plugins/openresty/install.sh
+++ b/plugins/openresty/install.sh
@@ -65,6 +65,7 @@ Install_openresty()
 	--with-http_stub_status_module \
 	--with-http_realip_module
 	# --without-luajit-gc64
+	# --with-debug
 	# 用于调式
 
 	make -j${cpuCore} && make install && make clean