diff --git a/build/webpack.base.conf.js b/build/webpack.base.conf.js
index 4be51b1..c9529f7 100644
--- a/build/webpack.base.conf.js
+++ b/build/webpack.base.conf.js
@@ -53,6 +53,7 @@ module.exports = {
         include: [
           resolve('src'),
           resolve('test'),
+          resolve('mock'),
           resolve('node_modules/webpack-dev-server/client')
         ]
       },