fix(run.go): Bug fixes

Author: qi4L

run/run.go

@@ -31,7 +31,7 @@ func Start() {
 	go watchDog()
 	//下发扫描任务
 	var wg = &sync.WaitGroup{}
-	wg.Add(5)
+	wg.Add(4)
 	IPScanner = generateIPScanner(wg)
 	PortScanner = generatePortScanner(wg)
 	URLScanner = generateURLScanner(wg)