diff --git a/test/app.js b/test/app.test.js
similarity index 100%
rename from test/app.js
rename to test/app.test.js
diff --git a/test/controllers/message.js b/test/controllers/message.test.js
similarity index 100%
rename from test/controllers/message.js
rename to test/controllers/message.test.js
diff --git a/test/controllers/status.js b/test/controllers/status.test.js
similarity index 100%
rename from test/controllers/status.js
rename to test/controllers/status.test.js
diff --git a/test/controllers/topic.js b/test/controllers/topic.test.js
similarity index 100%
rename from test/controllers/topic.js
rename to test/controllers/topic.test.js
diff --git a/test/controllers/upload.js b/test/controllers/upload.test.js
similarity index 100%
rename from test/controllers/upload.js
rename to test/controllers/upload.test.js
diff --git a/test/controllers/user.js b/test/controllers/user.test.js
similarity index 100%
rename from test/controllers/user.js
rename to test/controllers/user.test.js
diff --git a/test/libs/util.js b/test/libs/util.test.js
similarity index 100%
rename from test/libs/util.js
rename to test/libs/util.test.js
diff --git a/test/middlewares/conf.js b/test/middlewares/conf.test.js
similarity index 100%
rename from test/middlewares/conf.js
rename to test/middlewares/conf.test.js
diff --git a/test/proxy/message.js b/test/proxy/message.test.js
similarity index 100%
rename from test/proxy/message.js
rename to test/proxy/message.test.js
diff --git a/test/proxy/relation.js b/test/proxy/relation.test.js
similarity index 100%
rename from test/proxy/relation.js
rename to test/proxy/relation.test.js
diff --git a/test/proxy/reply.js b/test/proxy/reply.test.js
similarity index 100%
rename from test/proxy/reply.js
rename to test/proxy/reply.test.js
diff --git a/test/proxy/topic.js b/test/proxy/topic.test.js
similarity index 100%
rename from test/proxy/topic.js
rename to test/proxy/topic.test.js
diff --git a/test/proxy/user.js b/test/proxy/user.test.js
similarity index 100%
rename from test/proxy/user.js
rename to test/proxy/user.test.js
diff --git a/test/services/at.js b/test/services/at.test.js
similarity index 100%
rename from test/services/at.js
rename to test/services/at.test.js
diff --git a/test/services/mail.js b/test/services/mail.test.js
similarity index 92%
rename from test/services/mail.js
rename to test/services/mail.test.js
index ff12dbe..b4c09fc 100644
--- a/test/services/mail.js
+++ b/test/services/mail.test.js
@@ -13,7 +13,7 @@ describe('services/mail.js', function () {
     });
   });
 
-  xdescribe('sendAtMail', function () {
+  describe('sendAtMail', function () {
     it('should ok', function () {
       mail.sendAtMail();
     });