diff --git a/webapp/packages/main/src/coreService.ts b/webapp/packages/main/src/coreService.ts
index 645a7a19a..c9fb70d02 100644
--- a/webapp/packages/main/src/coreService.ts
+++ b/webapp/packages/main/src/coreService.ts
@@ -65,6 +65,10 @@ export class CoreService {
     return this.currentService;
   }
 
+  onError(e: Error | any) {
+    logger.error(`currentServiceIndex:${this.stepIndex}` + (e as unknown as any).toString());
+  }
+
   reset() {
     this.stepIndex = 0;
   }
diff --git a/webapp/packages/main/src/createMainWindow.ts b/webapp/packages/main/src/createMainWindow.ts
index b1f65ddce..a438c5643 100644
--- a/webapp/packages/main/src/createMainWindow.ts
+++ b/webapp/packages/main/src/createMainWindow.ts
@@ -25,7 +25,6 @@ export const createMainWindow = async () => {
 
   browserWindow.webContents.on('preload-error', (event, preloadPath, error) => {
     logger.error('------------preload-error------------');
-    logger.error(`event:${JSON.stringify(event)}`);
     logger.error(`preloadPath:${preloadPath}`);
     logger.error(`error:${error}`);
   });
@@ -37,8 +36,7 @@ export const createMainWindow = async () => {
     }
     if (level === 3) {
       logger.info('------------console-message------------');
-      logger.error(`event:${JSON.stringify(event)}`);
-      logger.error(`console-message:${message} line:${line} sourceId:${sourceId}`);
+      logger.error(`console-message:${message} \n line:${line} \n sourceId:${sourceId}`);
       return;
     }
   });
diff --git a/webapp/packages/main/src/serviceLogic/createAlas.ts b/webapp/packages/main/src/serviceLogic/createAlas.ts
index ecaa3f1b3..a864acb6a 100644
--- a/webapp/packages/main/src/serviceLogic/createAlas.ts
+++ b/webapp/packages/main/src/serviceLogic/createAlas.ts
@@ -4,26 +4,32 @@ import type {CallbackFun} from '/@/coreService';
 import logger from '/@/logger';
 
 export const createAlas: CallbackFun = async ctx => {
-  const alas = new PyShell(webuiPath, webuiArgs);
-  alas.on('error', function (err: string) {
-    if(!err) return;
+  let alas: PyShell | null = null;
+  try {
+    alas = new PyShell(webuiPath, webuiArgs);
+  } catch (e) {
+    ctx.onError(e);
+  }
+
+  alas?.on('error', function (err: string) {
+    if (!err) return;
     logger.error('alas.error:' + err);
     ctx.sendLaunchLog(err);
   });
-  alas.end(function (err: string) {
-     if(!err) return;
+  alas?.end(function (err: string) {
+    if (!err) return;
     logger.info('alas.end:' + err);
     ctx.sendLaunchLog(err);
     throw err;
   });
-  alas.on('stdout', function (message) {
+  alas?.on('stdout', function (message) {
     ctx.sendLaunchLog(message);
   });
 
-  alas.on('message', function (message) {
+  alas?.on('message', function (message) {
     ctx.sendLaunchLog(message);
   });
-  alas.on('stderr', function (message: string) {
+  alas?.on('stderr', function (message: string) {
     ctx.sendLaunchLog(message);
     /**
      * Receive logs, judge if Alas is ready
@@ -33,10 +39,14 @@ export const createAlas: CallbackFun = async ctx => {
      * `[Errno 10048] error while attempting to bind on address ('0.0.0.0', 22267): `
      */
     if (message.includes('Application startup complete') || message.includes('bind on address')) {
-      alas.removeAllListeners('stderr');
-      alas.removeAllListeners('message');
-      alas.removeAllListeners('stdout');
+      alas?.removeAllListeners('stderr');
+      alas?.removeAllListeners('message');
+      alas?.removeAllListeners('stdout');
     }
   });
+
+  alas?.on('pythonError', err => {
+    ctx.onError('alas pythonError:' + err);
+  });
   return alas;
 };
diff --git a/webapp/packages/main/src/serviceLogic/createInstaller.ts b/webapp/packages/main/src/serviceLogic/createInstaller.ts
index f43913a00..845242a51 100644
--- a/webapp/packages/main/src/serviceLogic/createInstaller.ts
+++ b/webapp/packages/main/src/serviceLogic/createInstaller.ts
@@ -7,17 +7,23 @@ export const createInstaller: CallbackFun = async (ctx, next) => {
   if (process.argv.includes(ALAS_RELAUNCH_ARGV)) {
     return next();
   }
-  const installer = new PyShell(installerPath, installerArgs);
-  installer.on('error', function (err: string) {
-     if(!err) return;
+  let installer: PyShell | null = null;
+  try {
+    installer = new PyShell(installerPath, installerArgs);
+  } catch (err) {
+    ctx.onError(err);
+  }
+
+  installer?.on('error', function (err: string) {
+    if (!err) return;
     logger.error('installer.error:' + err);
     ctx.sendLaunchLog(err);
   });
   installer?.end(function (err: string) {
-     if(!err) return;
+    if (!err) return;
     logger.info('installer.end:' + err);
     ctx.sendLaunchLog(err);
-    throw err;
+    // throw err;
   });
   installer?.on('stdout', function (message) {
     ctx.sendLaunchLog(message);
@@ -28,5 +34,10 @@ export const createInstaller: CallbackFun = async (ctx, next) => {
   installer?.on('stderr', function (message: string) {
     ctx.sendLaunchLog(message);
   });
+
+  installer?.on('pythonError', err => {
+    ctx.onError('alas pythonError :' + err);
+  });
+
   return installer;
 };