diff --git a/dolphinscheduler-ui/build/webpack.config.dev.js b/dolphinscheduler-ui/build/webpack.config.dev.js
index ec676c1bf5..1e95a91db6 100644
--- a/dolphinscheduler-ui/build/webpack.config.dev.js
+++ b/dolphinscheduler-ui/build/webpack.config.dev.js
@@ -89,6 +89,7 @@ const config = merge.smart(baseConfig, {
     disableHostCheck: true,
     proxy: {
       '/dolphinscheduler': {
+        timeout: 1800000,
         target: getEnv('API_BASE', 'http://local.dev:8080/backend'),
         changeOrigin: true
       }