diff --git a/src/index.js b/src/index.js
index 2778aae..9c14645 100644
--- a/src/index.js
+++ b/src/index.js
@@ -46,10 +46,13 @@ export default class MipCache {
      * @return {Promise}
      */
     clear(url) {
-        url = this._parseUrl(url);
+        const domain = this._parseUrl(url);
+        const api = url.indexOf('https://') === 0
+            ? 'http://c.mipcdn.com/update-ping/c/s'
+            : 'http://c.mipcdn.com/update-ping/c';
 
         return new Promise((resolve, reject) => {
-            request.post(`http://mipcache.bdstatic.com/update-ping/c/${url}`, {
+            request.post(`${api}/${domain}`, {
                 form: {
                     key: this.options.authkey
                 }
diff --git a/test/index.js b/test/index.js
index 472eabc..6146b4b 100644
--- a/test/index.js
+++ b/test/index.js
@@ -109,10 +109,19 @@ describe('mip-cache', () => {
                 });
             });
         });
+
+        it('https', () => {
+            return app.clear('https://mip.xuexb.com').catch(err => {
+                expect(err).to.deep.equal({
+                    status: 1,
+                    msg: 'auth check fail'
+                });
+            });
+        });
     });
 
     if (process.env.MIP_CACHE_AUTHKEY) {
-        it('post zhanzhang.baidu.com', () => {
+        it('https', () => {
             return new MipCache({
                 authkey: process.env.MIP_CACHE_AUTHKEY
             }).clear('https://mip.xuexb.com').then(data => {
@@ -123,10 +132,21 @@ describe('mip-cache', () => {
             });
         });
 
+        it('post zhanzhang.baidu.com', () => {
+            return new MipCache({
+                authkey: process.env.MIP_CACHE_AUTHKEY
+            }).clear('http://mip.xuexb.com').then(data => {
+                expect(data).to.deep.equal({
+                    status: 0,
+                    msg: 'cache clean success'
+                });
+            });
+        });
+
         it('post zhanzhang.baidu.com is error', () => {
             return new MipCache({
                 authkey: process.env.MIP_CACHE_AUTHKEY
-            }).clear('https://mip.xuexb.com/post/xiaowu.html').then(data => {
+            }).clear('http://mip.xuexb.com/post/xiaowu.html').then(data => {
                 expect(data).to.deep.equal({
                     status: 0,
                     msg: 'cache clean success'