diff --git a/lib/RESTAPIMock.js b/lib/RESTAPIMock.js
index e20598b..1db48f7 100644
--- a/lib/RESTAPIMock.js
+++ b/lib/RESTAPIMock.js
@@ -1,7 +1,7 @@
 const getJSON = require('./getJSON')
 const createRes = require('./createRes')
 const startsWith = require('./startsWith')
-const removeProtocal = require('./removeProtocal')
+const removeProtocol = require('./removeProtocol')
 
 function RESTAPIMock(myURL, searchParams, callbackName) {
     let match, response;
@@ -15,10 +15,10 @@ function RESTAPIMock(myURL, searchParams, callbackName) {
     if (!matchConfig || matchConfig.choices === 0) {
         return;
     }
-    const matchURL = removeProtocal(matchConfig.URL);
+    const matchURL = removeProtocol(matchConfig.URL);
     const RESTAPIS = getJSON("./mock/RESTAPI.json");
     match = RESTAPIS.some(RESTAPI => {
-        if (matchURL === removeProtocal(RESTAPI.url)) {
+        if (matchURL === removeProtocol(RESTAPI.url)) {
             // console.log(RESTAPI);
             if (matchConfig.OPTIONS) {
                 const choice = matchConfig.choices.filter(choice => {
diff --git a/lib/anyproxy.config.js b/lib/anyproxy.config.js
index 51e4f35..19e94a8 100644
--- a/lib/anyproxy.config.js
+++ b/lib/anyproxy.config.js
@@ -3,7 +3,7 @@ const {
   URLSearchParams
 } = require('url');
 const R = require('ramda');
-const removeProtocal = require('./removeProtocal')
+const removeProtocol = require('./removeProtocol')
 const RESTAPIMock = require('./RESTAPIMock');
 const fileMock = require('./fileMock');
 
@@ -12,10 +12,10 @@ module.exports = function () {
     summary: "a rule to hack response",
     * beforeSendRequest(requestDetail) {
 
-      const URLO = new URL(requestDetail.url);
-      const myURL = removeProtocal(URLO.href);
-      // console.log(URLO.searchParams);
-      const searchParams = URLO.searchParams;
+      const url = new URL(requestDetail.url);
+      const myURL = removeProtocol(url.href);
+      // console.log(url.searchParams);
+      const searchParams = url.searchParams;
       const callback = searchParams.get('callback') || new URLSearchParams(requestDetail.requestData.toString()).get('callback');
 
       const chain = [RESTAPIMock, fileMock];
diff --git a/lib/fileMock.js b/lib/fileMock.js
index 935d2a3..359633f 100644
--- a/lib/fileMock.js
+++ b/lib/fileMock.js
@@ -21,12 +21,12 @@ function objectToMap(o) {
 
 function fileMock(myURL, searchParams, callback) {
     let match, response;
-    const filemap = objectToMap(getJSON("./mock/filemap.json"));
-    if (filemap.get('disabled')) {
+    const fileMap = objectToMap(getJSON("./mock/filemap.json"));
+    if (fileMap.get('disabled')) {
         return
     }
-    filemap.get('map').forEach((local, online) => {
-        // console.log(online, url.startsWith(removeProtocal(online)));
+    fileMap.get('map').forEach((local, online) => {
+        // console.log(online, url.startsWith(removeProtocol(online)));
         if (startsWith(myURL, online)) {
             if (fs.existsSync(local)) {
                 match = true;
diff --git a/lib/removeProtocal.js b/lib/removeProtocal.js
deleted file mode 100644
index e054adb..0000000
--- a/lib/removeProtocal.js
+++ /dev/null
@@ -1,5 +0,0 @@
-function removeProtocal(url) {
-    return url.replace(/(^\w+:|^)\/\//, '');
-}
-
-module.exports = removeProtocal
\ No newline at end of file
diff --git a/lib/removeProtocol.js b/lib/removeProtocol.js
new file mode 100644
index 0000000..d49e349
--- /dev/null
+++ b/lib/removeProtocol.js
@@ -0,0 +1,5 @@
+function removeProtocol(url) {
+    return url.replace(/(^\w+:|^)\/\//, '');
+}
+
+module.exports = removeProtocol
\ No newline at end of file
diff --git a/lib/startsWith.js b/lib/startsWith.js
index 322c60b..c96e27f 100644
--- a/lib/startsWith.js
+++ b/lib/startsWith.js
@@ -1,8 +1,8 @@
 const fs = require("fs");
-const removeProtocal = require('./removeProtocal')
+const removeProtocol = require('./removeProtocol')
 
 function startsWith(url, pattern) {
-    return removeProtocal(url).startsWith(removeProtocal(pattern));
+    return removeProtocol(url).startsWith(removeProtocol(pattern));
 }
 
 module.exports = startsWith
\ No newline at end of file
diff --git a/test/fileMock.unittest.js b/test/fileMock.unittest.js
index aa67ddd..c968318 100644
--- a/test/fileMock.unittest.js
+++ b/test/fileMock.unittest.js
@@ -4,20 +4,20 @@ const {
     URLSearchParams
 } = require('url');
 const fs = require("fs");
-const removeProtocal = require('../lib/removeProtocal')
+const removeProtocol = require('../lib/removeProtocol')
 const fileMock = require("../lib/fileMock");
 
 describe("fileMock", () => {
     it("js file", () => {
         const URLO = new URL('http://static.iqiyi.com/js/lib/sea1.2.js');
-        const myURL = removeProtocal(URLO.href);
+        const myURL = removeProtocol(URLO.href);
         const searchParams = URLO.searchParams;
         const callbackName = searchParams.get('callback');
         expect(fileMock(myURL, searchParams, callbackName)).toBeUndefined();
     });
     it("css file", () => {
         const URLO = new URL('http://static.qiyi.com/css/common/v3-vipCash/vip_cash1.0.css');
-        const myURL = removeProtocal(URLO.href);
+        const myURL = removeProtocol(URLO.href);
         const searchParams = URLO.searchParams;
         const callbackName = searchParams.get('callback');
         expect(fileMock(myURL, searchParams, callbackName)).toBeUndefined();
diff --git a/test/getParas.js b/test/getParas.js
index 4cece2a..691521f 100644
--- a/test/getParas.js
+++ b/test/getParas.js
@@ -1,4 +1,4 @@
-const removeProtocal = require('../lib/removeProtocal')
+const removeProtocol = require('../lib/removeProtocol')
 const URLS = {
     goldNotLogin: 'http://i.vip.iqiyi.com/client/store/pc/checkout.action?platform=b6c13e26323c537d&pid=a0226bd958843452&fs=&fsSign=&fc=a03a512fefb9eaf7&fv=&qc005=f1c1ee7ebee4b600f12d153351a38e48&vipType=1&aid=&P00001=&callback=window.jsonp_07077807149559778',
     goldLogin: 'http://i.vip.iqiyi.com/client/store/pc/checkout.action?platform=b6c13e26323c537d&pid=a0226bd958843452&fs=&fsSign=&fc=a03a512fefb9eaf7&fv=&qc005=f1c1ee7ebee4b600f12d153351a38e48&vipType=1&aid=&P00001=1el6tTVC2n4q6CVz3zbaLTBr7l0fnDm10IjRLWyNOQGSIT89QqcC1tbYnNlqeXlb5m2gd9&callback=window.jsonp_06267915858114745',
@@ -9,7 +9,7 @@ const URLS = {
 
 module.exports = (type) => {
     const URLO = new URL(URLS[type]);
-    const myURL = removeProtocal(URLO.href);
+    const myURL = removeProtocol(URLO.href);
     const searchParams = URLO.searchParams;
     const callbackName = searchParams.get('callback');
     return [
diff --git a/test/removeProtocal.unittest.js b/test/removeProtocal.unittest.js
index b7ceb92..b7dd0f0 100644
--- a/test/removeProtocal.unittest.js
+++ b/test/removeProtocal.unittest.js
@@ -1,18 +1,18 @@
 "use strict";
 
-const removeProtocal = require("../lib/removeProtocal");
+const removeProtocol = require("../lib/removeProtocol");
 
-describe("removeProtocal", () => {
+describe("removeProtocol", () => {
     it("remove http url", () => {
-        expect(removeProtocal('http://www.abc.com/')).toMatch("www.abc.com");
+        expect(removeProtocol('http://www.abc.com/')).toMatch("www.abc.com");
     });
     it("remove https url", () => {
-        expect(removeProtocal('https://www.abc.com/def')).toMatch("www.abc.com/def");
+        expect(removeProtocol('https://www.abc.com/def')).toMatch("www.abc.com/def");
     });
     it("remove removed url", () => {
-        expect(removeProtocal('//www.abc.com/def?query=string')).toMatch("www.abc.com/def?query=string");
+        expect(removeProtocol('//www.abc.com/def?query=string')).toMatch("www.abc.com/def?query=string");
     });
     it("invalid url", () => {
-        expect(removeProtocal('abc')).toMatch("");
+        expect(removeProtocol('abc')).toMatch("");
     });
 });
\ No newline at end of file