Adjust the order of slots in HotParamSlotChainBuilder (#1246)

sentinel-extension/sentinel-parameter-flow-control/src/main/java/com/alibaba/csp/sentinel/slots/HotParamSlotChainBuilder.java

@@ -41,9 +41,9 @@ public class HotParamSlotChainBuilder implements SlotChainBuilder {
         chain.addLast(new ClusterBuilderSlot());
         chain.addLast(new LogSlot());
         chain.addLast(new StatisticSlot());
-        chain.addLast(new ParamFlowSlot());
-        chain.addLast(new SystemSlot());
         chain.addLast(new AuthoritySlot());
+        chain.addLast(new SystemSlot());
+        chain.addLast(new ParamFlowSlot());
         chain.addLast(new FlowSlot());
         chain.addLast(new DegradeSlot());