diff --git a/README.md b/README.md
index 607849f..166e6d0 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,8 @@
 dns proxy server
 
 dns server depend `os` , `dns` , `dgram` module on  Node.js environment。use `dgram` module create proxy server , 
-`lookup()` function  and `resolve4()` funtion will be resolve domain to ipv4.
+`lookup()` function  and `resolve4()` funtion will be resolve domain to ipv4. 
+dns proxy server depend on operation system configuration files (e.g. `/etc/hosts` or `hosts`).
 
 ### why
 you to develop a program on your computer. want to test on mobile phones. 
diff --git a/package.json b/package.json
index 9fa5c20..975fede 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "dns-proxy-server",
-  "version": "1.1.2",
-  "description": "dns proxy server",
+  "version": "1.1.3",
+  "description": "dns proxy server & use dnsproxy on cmd online",
   "main": "index.js",
   "bin": {
     "dnsproxy": "./bin/start.js"
@@ -14,7 +14,13 @@
     "url": "git+https://github.com/Yi-love/dns-proxy-server.git"
   },
   "keywords": [
-    "dns"
+    "dns",
+    "proxy",
+    "dns proxy",
+    "resolve",
+    "domain",
+    "http",
+    "http proxy"
   ],
   "author": "Jin",
   "license": "MIT",