diff --git a/lua/apisix/admin/plugins.lua b/lua/apisix/admin/plugins.lua
index ba4bdcc26ce7..1ae7dfe5b909 100644
--- a/lua/apisix/admin/plugins.lua
+++ b/lua/apisix/admin/plugins.lua
@@ -42,7 +42,7 @@ function _M.check_schema(plugins_conf)
                       core.json.delay_encode(plugin_conf, true))
         local plugin_obj = local_plugins[name]
         if not plugin_obj then
-            return false, "unknow plugin [" .. name .. "]"
+            return false, "unknown plugin [" .. name .. "]"
         end
 
         if plugin_obj.check_schema then
@@ -67,7 +67,7 @@ function _M.stream_check_schema(plugins_conf)
                       ": ", core.json.delay_encode(plugin_conf, true))
         local plugin_obj = stream_local_plugins[name]
         if not plugin_obj then
-            return false, "unknow plugin [" .. name .. "]"
+            return false, "unknown plugin [" .. name .. "]"
         end
 
         if plugin_obj.check_schema then
diff --git a/lua/apisix/plugins/node-status.lua b/lua/apisix/plugins/node-status.lua
index d34d271c1d9b..112813a0e93e 100644
--- a/lua/apisix/plugins/node-status.lua
+++ b/lua/apisix/plugins/node-status.lua
@@ -17,6 +17,7 @@
 local core = require("apisix.core")
 local ngx = ngx
 local re_gmatch = ngx.re.gmatch
+local ngx_capture = ngx.location.capture
 local plugin_name = "node-status"
 local apisix_id = core.id.get()
 local ipairs = ipairs
@@ -37,13 +38,7 @@ local ngx_statu_items = {
 
 
 local function collect()
-    local res, err = core.http.request_self("/apisix/nginx_status", {
-                                                keepalive = false,
-                                            })
-    if not res then
-        return 500, "failed to fetch nginx status: " .. err
-    end
-
+    local res = ngx_capture("/apisix/nginx_status")
     if res.status ~= 200 then
         return res.status
     end