diff --git a/.gitignore b/.gitignore
index 7f0586f420c1a3a5ef5fa15ce00c87eb45a81f2f..89543e7bff7b92f6da32005aa26439fb4a1be84b 100755
--- a/.gitignore
+++ b/.gitignore
@@ -28,11 +28,11 @@ jsconfig.json
 *.log
 
 functions/mock
-.temp/**
+.temp
 
 # umi
 .umi
 .umi-production
 
 # screenshot
-screenshot
\ No newline at end of file
+screenshot
diff --git a/config/config.js b/config/config.js
index 909a13a29990e6f34daa01376f9dfbbc1b2c3a0a..5fa04ed522ae6241f583320c8228f027cea7d5b6 100644
--- a/config/config.js
+++ b/config/config.js
@@ -17,7 +17,8 @@ export default {
           default: 'zh-CN', // default zh-CN
           baseNavigator: true, // default true, when it is true, will use `navigator.language` overwrite default
         },
-        polyfills: ['ie9'],
+        dynamicImport: true,
+        polyfills: ['ie11'],
         ...(!process.env.TEST && require('os').platform() === 'darwin'
           ? {
               dll: ['dva', 'dva/router', 'dva/saga', 'dva/fetch'],