diff --git a/app/electron/main.js b/app/electron/main.js
index afac87281..98c5e7e65 100644
--- a/app/electron/main.js
+++ b/app/electron/main.js
@@ -607,7 +607,7 @@ const initKernel = (workspace, port, lang) => {
                     resolve(false);
                     return;
                 }
-                await sleep(200);
+                await sleep(500);
             }
         }