update worker registry info

server/workerManager.go

@@ -140,6 +140,7 @@ func (wm *WorkerManager) StopRegistry(uuid int64) {
 	wm.wkRwLock.Lock()
 	defer wm.wkRwLock.Unlock()
 	if reg, exist := wm.workerReg[uuid]; exist {
+		reg.Clear()
 		reg.Stop()
 		delete(wm.workerReg, uuid)
 	}