fix minor bug when resource.args is null

Author: WuPenghe

asyncMonitor.js

@@ -81,7 +81,8 @@ function asyncMonitor(portNumber) {
  return;
  }
 
- if(resource.args && resource.args[0].url){
+ if(resource.args && resource.args[0] && resource.args[0].url) {
+ process._rawDebug(asyncId, type, triggerAsyncId, resource);
  if(resource.args[0].url.includes('socket.io') && resource.args[0].socket.server._connectionKey === `6::::${portNumber}`) {
  deleteEntireBranch(triggerAsyncId);
  return;

client/src/main.js

@@ -1 +1 @@
-const socket = io.connect('http://localhost:3000');
+const socket = io.connect('http://localhost:8100');