add chan cache for async

zhangmeng

2020-01-14 c804940ec5bcdcfa0ffe90e03c6866d3bb651416

 run.go

@@ -60,7 +60,6 @@
            f.fnLogger("Face No Running: ", f.rebootUntil)
            if f.rebootUntil > maxTryBeforeReboot {
               f.fnLogger("Face Too Long Running, Reboot")
               f.release()
               os.Exit(0)
            }
         }