diff --git a/doric-js/bundle/doric-vm.js b/doric-js/bundle/doric-vm.js
index f188286c..73f8301e 100644
--- a/doric-js/bundle/doric-vm.js
+++ b/doric-js/bundle/doric-vm.js
@@ -3749,6 +3749,10 @@ let context = process.cwd() + '/build/context';
 const contextId = fs.readFileSync(context, { encoding: 'utf8' });
 console.log("debugging context id: " + contextId);
 let global$2 = new Function('return this')();
+global$2.setTimeout = global$2.doricSetTimeout;
+global$2.setInterval = global$2.doricSetInterval;
+global$2.clearTimeout = global$2.doricClearTimeout;
+global$2.clearInterval = global$2.doricClearInterval;
 global$2.doric = doric;
 global$2.context = jsObtainContext(contextId);
 global$2.Entry = jsObtainEntry(contextId);
diff --git a/doric-js/index.debug.ts b/doric-js/index.debug.ts
index 47711f4e..5583b296 100644
--- a/doric-js/index.debug.ts
+++ b/doric-js/index.debug.ts
@@ -15,12 +15,19 @@
  */
 import * as doric from './src/runtime/sandbox'
 import * as WebSocket from 'ws'
+
 const WebSocketClient = require('ws')
 const fs = require('fs')
 let context = process.cwd()  + '/build/context'
 const contextId = fs.readFileSync(context, { encoding: 'utf8' })
 console.log("debugging context id: " + contextId)
+
 let global = new Function('return this')()
+global.setTimeout = global.doricSetTimeout
+global.setInterval = global.doricSetInterval
+global.clearTimeout = global.doricClearTimeout
+global.clearInterval = global.doricClearInterval
+
 global.doric = doric
 global.context = doric.jsObtainContext(contextId)
 global.Entry = doric.jsObtainEntry(contextId)
diff --git a/doric-js/lib/index.debug.js b/doric-js/lib/index.debug.js
index 5abb7633..877cf512 100644
--- a/doric-js/lib/index.debug.js
+++ b/doric-js/lib/index.debug.js
@@ -21,6 +21,10 @@ let context = process.cwd() + '/build/context';
 const contextId = fs.readFileSync(context, { encoding: 'utf8' });
 console.log("debugging context id: " + contextId);
 let global = new Function('return this')();
+global.setTimeout = global.doricSetTimeout;
+global.setInterval = global.doricSetInterval;
+global.clearTimeout = global.doricClearTimeout;
+global.clearInterval = global.doricClearInterval;
 global.doric = doric;
 global.context = doric.jsObtainContext(contextId);
 global.Entry = doric.jsObtainEntry(contextId);