diff --git a/lib/http.js b/lib/http.js
index 8383cd8..f78a750 100644
--- a/lib/http.js
+++ b/lib/http.js
@@ -13,8 +13,71 @@ var OS_NAME = SYS.getOS();
 var OS_ARCH = SYS.getArch();
 var DEVICE_UUID = SYS.getUUID();
 var PROCESS_VERSION = SYS.getProcessVersion();
-var DEFAULT_USER_AGENT;
-var AVAILABLE_PROXIES;
+var DEFAULT_USER_AGENT = "WelsonJS/0.2.7 (" + OS_NAME + "; " + OS_ARCH + "; " + PROCESS_VERSION + "; " + DEVICE_UUID + "; abuse@catswords.net)";
+
+// If you have any suggestions for collaboration (e.g., Affiliate), please contact us: abuse@catswords.net
+var AVAILABLE_PROXIES = [
+    {
+        "type": "stateless",
+        "provider": "scrapeops",
+        "url": "https://proxy.scrapeops.io/v1/?api_key={api_key}&url={url}&render_js={render_js}&residential={residential}&country={country}&keep_headers={keep_headers}",
+        "documentation": "https://scrapeops.io?fpr=namhyeon75"
+    },
+    {
+        "type": "stateful",
+        "provider": "scrapeops",
+        "url": "http://scrapeops:{api_key}@residential-proxy.scrapeops.io:8181",
+        "documentation": "https://scrapeops.io?fpr=namhyeon75"
+    },
+    {
+        "type": "stateless-jsonrpc2",
+        "provider": "gnh1201/caterpillar",
+        "url": "http://localhost:5555",
+        "documentation": "https://github.com/gnh1201/caterpillar"
+    },
+    {
+        "type": "stateful",
+        "provider": "gnh1201/caterpillar",
+        "url": "http://localhost:5555",
+        "documentation": "https://github.com/gnh1201/caterpillar"
+    },
+    {
+        "type": "stateful",
+        "provider": "cloudflare",
+        "url": "http://localhost:40000",
+        "documentation": "https://developers.cloudflare.com/warp-client/warp-modes/"
+    },
+    {
+        "type": "stateful",
+        "provider": "fiddler",
+        "url": "http://localhost:8888",
+        "documentation": "https://www.telerik.com/fiddler/fiddler-classic"
+    },
+    {
+        "type": "stateful",
+        "provider": "fiddler2",
+        "url": "http://localhost:8866",
+        "documentation": "https://www.telerik.com/fiddler/fiddler-everywhere"
+    },
+    {
+        "type": "stateful",
+        "provider": "mitmproxy",
+        "url": "http://localhost:8080",
+        "documetation": "https://mitmproxy.org/"
+    },
+    {
+        "type": "stateful",
+        "provider": "burpsuite",
+        "url": "http://localhost:8080",
+        "documetation": "https://portswigger.net/burp"
+    },
+    {
+        "type": "stateful",
+        "provider": "zaproxy",
+        "url": "http://localhost:8080",
+        "documetation": "https://www.zaproxy.org/"
+    }
+];
 
 var HTTPObject = function(engine) {
     this._interface = null;
@@ -963,56 +1026,12 @@ var HTTPObject = function(engine) {
     };
 
     this.attachDebugger = function(_debugger) {
-        var _debugger = _debugger.toUpperCase();
+        this.setProxy({
+            "provider": _debugger.toLowerCase()
+        });
+        this.isVerifySSL = false;
 
-        console.warn("Existing proxy settings will be reset.");
-
-        switch (_debugger) {
-            case "FIDDLER": // Fiddler Classic
-                this.proxy = {
-                    "enabled": true,
-                    "protocol": "http",
-                    "host": "127.0.0.1",
-                    "port": 8888,
-                    "credential": null
-                };
-                this.isVerifySSL = false;
-                break;
-
-            case "FIDDLER2":  // Fiddler Everywhere
-                this.proxy = {
-                    "enabled": true,
-                    "protocol": "http",
-                    "host": "127.0.0.1",
-                    "port": 8866,
-                    "credential": null
-                };
-                this.isVerifySSL = false;
-                break;
-
-            case "MITMPROXY": // mitmproxy
-            case "BURPSUITE": // Burp Suite
-            case "ZAP": // OWASP ZAP Zed Attack Proxy
-                this.proxy = {
-                    "enabled": true,
-                    "protocol": "http",
-                    "host": "127.0.0.1",
-                    "port": 8080,
-                    "credential": null
-                };
-                this.isVerifySSL = false;
-                break;
-
-            default:
-                this.proxy = {
-                    "enabled": false,
-                    "protocol": "http",
-                    "host": "127.0.0.1",
-                    "port": 80,
-                    "credential": null
-                };
-                console.error("Not specified debugger");
-        }
+        console.warn("The existing proxy settings have been reset.");
 
         return this;
     };
@@ -1124,40 +1143,6 @@ function parseURL(url) {
     };
 }
 
-DEFAULT_USER_AGENT = "WelsonJS/0.2.7 (" + OS_NAME + "; " + OS_ARCH + "; " + PROCESS_VERSION + "; " + DEVICE_UUID + "; abuse@catswords.net)";
-AVAILABLE_PROXIES = [
-    {
-        "type": "stateless",
-        "provider": "scrapeops",
-        "url": "https://proxy.scrapeops.io/v1/?api_key={api_key}&url={url}&render_js={render_js}&residential={residential}&country={country}&keep_headers={keep_headers}",
-        "documentation": "https://scrapeops.io?fpr=namhyeon75"
-    },
-    {
-        "type": "stateful",
-        "provider": "scrapeops",
-        "url": "http://scrapeops:{api_key}@residential-proxy.scrapeops.io:8181",
-        "documentation": "https://scrapeops.io?fpr=namhyeon75"
-    },
-    {
-        "type": "stateless-jsonrpc2",
-        "provider": "gnh1201/caterpillar",
-        "url": "http://localhost:5555",
-        "documentation": "https://github.com/gnh1201/caterpillar"
-    },
-    {
-        "type": "stateful",
-        "provider": "gnh1201/caterpillar",
-        "url": "http://localhost:5555",
-        "documentation": "https://github.com/gnh1201/caterpillar"
-    },
-    {
-        "type": "stateful",
-        "provider": "cloudflare",
-        "url": "http://localhost:40000",
-        "documentation": "https://developers.cloudflare.com/warp-client/warp-modes/"
-    }
-];
-
 exports.create = create;
 exports.get = get;
 exports.post = post;
@@ -1169,7 +1154,7 @@ exports.parseURL = parseURL;
 exports.DEFAULT_USER_AGENT = DEFAULT_USER_AGENT;
 exports.defaultUserAgent = DEFAULT_USER_AGENT;    // compatible with the specific case
 
-exports.VERSIONINFO = "HTTP client module (http.js) version 0.7.28";
+exports.VERSIONINFO = "HTTP client module (http.js) version 0.7.29";
 exports.AUTHOR = "abuse@catswords.net";
 exports.global = global;
 exports.require = global.require;