diff --git a/packages/core/src/config/index.js b/packages/core/src/config/index.js
index be15150..e932fa0 100644
--- a/packages/core/src/config/index.js
+++ b/packages/core/src/config/index.js
@@ -212,7 +212,7 @@ module.exports = {
       },
       speedTest: {
         enabled: true,
-        interval: 60000,
+        interval: 160000,
         hostnameList: ['github.com'],
         dnsProviders: ['usa', 'quad9', 'rubyfish']
       }
diff --git a/packages/mitmproxy/src/options.js b/packages/mitmproxy/src/options.js
index 8721ab5..3a532f2 100644
--- a/packages/mitmproxy/src/options.js
+++ b/packages/mitmproxy/src/options.js
@@ -13,10 +13,14 @@ module.exports = (config) => {
   const serverConfig = config
   const setting = serverConfig.setting
 
-  setting.script.dirAbsolutePath = path.join(setting.rootDir, setting.script.defaultDir)
+  if (!setting.script.dirAbsolutePath) {
+    setting.script.dirAbsolutePath = path.join(setting.rootDir, setting.script.defaultDir)
+  }
 
   const overwallConfig = serverConfig.plugin.overwall
-  overwallConfig.pac.pacFileAbsolutePath = path.join(setting.rootDir, overwallConfig.pac.pacFilePath)
+  if (!overwallConfig.pac.pacFileAbsolutePath) {
+    overwallConfig.pac.pacFileAbsolutePath = path.join(setting.rootDir, overwallConfig.pac.pacFilePath)
+  }
   const overwallMiddleware = createOverwallMiddleware(overwallConfig)
   const middlewares = []
   if (overwallMiddleware) {