diff --git a/README.md b/README.md
index 5aec734..a78182a 100644
--- a/README.md
+++ b/README.md
@@ -207,6 +207,7 @@ Using https features
 
 #### about certs
 * root certs and temperary certs are stored at ``path.join(util.getUserHome(),"/.anyproxy_certs/")``
+* to get the rootCA.crt file , you may either find it in local dir or download it via anyproxy web interface
 * to clear all the temperary certificates ``anyproxy --clear``
 
 Others
diff --git a/lib/certMgr.js b/lib/certMgr.js
index 1151fa7..1c2b159 100644
--- a/lib/certMgr.js
+++ b/lib/certMgr.js
@@ -72,7 +72,7 @@ function checkRootCA(){
     if(!isRootCAFileExists()){
         console.log(color.red("can not find rootCA.crt or rootCA.key"));
         console.log(color.red("you may generate one by the following methods"));
-        console.log(color.red("\twhen using globally : sudo anyproxy --root"));
+        console.log(color.red("\twhen using globally : anyproxy --root"));
         console.log(color.red("\twhen using as a module : require(\"anyproxy\").generateRootCA();"));
         process.exit(0);        
     }
@@ -110,6 +110,7 @@ function generateRootCA(){
                 if(code == 0){
                     console.log(color.green("rootCA generated"));
                     console.log(color.green(color.bold("please trust the rootCA.crt in " + certDir)));
+                    console.log(color.green(color.bold("or you may get it via anyproxy webinterface")));
                     process.exit(0);
                 }else{
                     console.log(color.red("fail to generate root CA"));
@@ -120,6 +121,16 @@ function generateRootCA(){
     }
 }
 
+
+function getRootCAFilePath(){
+    if(isRootCAFileExists()){
+        return path.join(certDir,"rootCA.crt");
+    }else{
+        return "";
+    }
+}
+
+module.exports.getRootCAFilePath  = getRootCAFilePath;
 module.exports.generateRootCA     = generateRootCA;
 module.exports.getCertificate     = getCertificate;
 module.exports.createCert         = createCert;
diff --git a/package.json b/package.json
index 8275741..f856e55 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "anyproxy",
-  "version": "2.7.6",
+  "version": "2.8.0",
   "description": "A fully configurable proxy in NodeJS, which can handle HTTPS requests perfectly.",
   "main": "proxy.js",
   "bin": {
diff --git a/proxy.js b/proxy.js
index 8cdf2a3..d130db7 100644
--- a/proxy.js
+++ b/proxy.js
@@ -146,10 +146,12 @@ function proxyServer(option){
 
                     //TODO : uncaught exception
                     //kill web server when father process exits
-                    process.on("exit",function(){
+                    process.on("exit uncaughtException",function(){
                         child_webServer.kill();
+                        process.exit();
                     });
 
+
                     GLOBAL.recorder.on("update",function(data){
                         child_webServer.send({
                             type: "update",
diff --git a/web/index.html b/web/index.html
index 68232fb..bb97e28 100644
--- a/web/index.html
+++ b/web/index.html
@@ -15,6 +15,7 @@
 		<a href="#" class="J_clearBtn"><span class="topBtn">Clear Logs(Ctrl+X)</span></a>
 		<a href="#" class="J_statusBtn"><span class="topBtn">Stop</span></a>
 		<a href="#" class="J_statusBtn btn_disable"><span class="topBtn">Resume</span></a>
+		<a href="/fetchCrtFile" target="_blank"><span class="topBtn">Fetch rootCA.crt</span></a>
 		<a href="http://localhost:{{proxyConfigPort}}"><span class="topBtn">Config Local Response(beta)</span></a>
 	</div>
 	<div class="ruleDesc">
diff --git a/webServer.js b/webServer.js
index 4fd2209..de50889 100644
--- a/webServer.js
+++ b/webServer.js
@@ -3,6 +3,7 @@ var express         = require("express"),
     url             = require('url'),
     fs              = require("fs"),
     util            = require("./lib/util"),
+    certMgr         = require("./lib/certMgr"),
     events          = require("events"),
     inherits        = require("util").inherits,
     entities        = require("entities"),
@@ -10,8 +11,10 @@ var express         = require("express"),
     WebSocketServer = require('ws').Server;
 
 function proxyWebServer(port,webSocketPort,proxyConfigPort,ruleSummary,ipAddress){
-    var self = this,
-        myAbsAddress = "http://" + ipAddress + ":" + port +"/";
+
+    var self         = this,
+        myAbsAddress = "http://" + ipAddress + ":" + port +"/",
+        crtFilePath  = certMgr.getRootCAFilePath();
 
     if(arguments.length < 3){
     	throw new Error("please assign ports");
@@ -46,6 +49,17 @@ function proxyWebServer(port,webSocketPort,proxyConfigPort,ruleSummary,ipAddress
         });
     });
 
+    app.get("/fetchCrtFile",function(req,res){
+        if(crtFilePath){
+            res.setHeader("Content-Type","application/x-x509-ca-cert");
+            res.setHeader("Content-Disposition",'attachment; filename="rootCA.crt"');
+            res.end(fs.readFileSync(crtFilePath,{encoding:null}));
+        }else{
+            res.setHeader("Content-Type","text/html");
+            res.end("can not file rootCA ,plase use <strong>anyproxy --root</strong> to generate one");
+        }
+    });
+
     //make qr code
     app.get("/qr",function(req,res){
         var qr        = qrCode.qrcode(4, 'M'),