修改bug

@@ -374,7 +374,7 @@ public class Pch5SwitchCtrl {
             //TODO  修改host
             String arg="";
             arg += " --env prod ";
-            arg += " --h ";
+            arg += " --host ";
             arg +=getPch5NodeHostIPsWithComm();
             exe(arg);
             qcloudLoadBalance.registerInstancesAndWeightWithLoadBalancer(ELB_PCH5_ID,az2HostIds,weights);
@@ -407,7 +407,7 @@ public class Pch5SwitchCtrl {
                 //TODO  修改host
                 String arg="";
                 arg += " --env gray ";
-                arg += " --h ";
+                arg += " --host ";
                 arg +=getPch5NodeHostIPsWithComm();
                 exe(arg);