refactor: keep client online and optimiz code

Signed-off-by: MiaoWoo <admin@yumc.pw>

src/run-client.ts

@@ -72,6 +72,9 @@ async function CheckAlive() {
     if (ArrMiningWrk.length < thread) {
         AddPowProcess()
     }
+    for (var i = 0; i < ArrMiningWrk.length; i++) {
+        ArrMiningWrk[i].send({ cmd: "Alive" });
+    }
     setTimeout(CheckAlive, 1000)
 }