diff --git a/lib/installer.js b/lib/installer.js
index 6c49eda..928e6b2 100644
--- a/lib/installer.js
+++ b/lib/installer.js
@@ -53,23 +53,23 @@ if (!tempDirectory) {
     }
     tempDirectory = path.join(baseLocation, 'actions', 'temp');
 }
-function getMaven(version, url) {
+function getMaven(version, mirror) {
     return __awaiter(this, void 0, void 0, function* () {
         let toolPath;
         toolPath = tc.find('maven', version);
         if (!toolPath) {
-            toolPath = yield downloadMaven(version, url);
+            toolPath = yield downloadMaven(version, mirror);
         }
         toolPath = path.join(toolPath, 'bin');
         core.addPath(toolPath);
     });
 }
 exports.getMaven = getMaven;
-function get_server_url(url) {
-    if (url && url.indexOf("http") == 0) {
-        return url;
+function get_server_url(mirror) {
+    if (mirror && mirror.indexOf("http") == 0) {
+        return mirror;
     }
-    switch (url) {
+    switch (mirror) {
         case "aliyun":
             return "https://maven.aliyun.com/repository/public";
         default:
@@ -77,10 +77,10 @@ function get_server_url(url) {
     }
     return "https://repo.maven.apache.org/maven2";
 }
-function downloadMaven(version, url) {
+function downloadMaven(version, mirror) {
     return __awaiter(this, void 0, void 0, function* () {
         const toolDirectoryName = `apache-maven-${version}`;
-        const downloadUrl = `${get_server_url(url)}/org/apache/maven/apache-maven/${version}/apache-maven-${version}-bin.tar.gz`;
+        const downloadUrl = `${get_server_url(mirror)}/org/apache/maven/apache-maven/${version}/apache-maven-${version}-bin.tar.gz`;
         console.log(`downloading ${downloadUrl}`);
         try {
             const downloadPath = yield tc.downloadTool(downloadUrl);
diff --git a/src/installer.ts b/src/installer.ts
index e4a6a06..955c444 100644
--- a/src/installer.ts
+++ b/src/installer.ts
@@ -19,23 +19,23 @@ if (!tempDirectory) {
   tempDirectory = path.join(baseLocation, 'actions', 'temp');
 }
 
-export async function getMaven(version: string, url: string) {
+export async function getMaven(version: string, mirror: string) {
   let toolPath: string;
   toolPath = tc.find('maven', version);
 
   if (!toolPath) {
-    toolPath = await downloadMaven(version, url);
+    toolPath = await downloadMaven(version, mirror);
   }
 
   toolPath = path.join(toolPath, 'bin');
   core.addPath(toolPath);
 }
 
-function get_server_url(url: string) {
-  if (url && url.indexOf("http") == 0) {
-    return url;
+function get_server_url(mirror: string) {
+  if (mirror && mirror.indexOf("http") == 0) {
+    return mirror;
   }
-  switch (url) {
+  switch (mirror) {
     case "aliyun":
       return "https://maven.aliyun.com/repository/public";
     default:
@@ -44,9 +44,9 @@ function get_server_url(url: string) {
   return "https://repo.maven.apache.org/maven2";
 }
 
-async function downloadMaven(version: string, url: string): Promise<string> {
+async function downloadMaven(version: string, mirror: string): Promise<string> {
   const toolDirectoryName = `apache-maven-${version}`;
-  const downloadUrl = `${get_server_url(url)}/org/apache/maven/apache-maven/${version}/apache-maven-${version}-bin.tar.gz`;
+  const downloadUrl = `${get_server_url(mirror)}/org/apache/maven/apache-maven/${version}/apache-maven-${version}-bin.tar.gz`;
   console.log(`downloading ${downloadUrl}`);
 
   try {