diff --git a/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/server/ChargingPileServer.java b/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/server/ChargingPileServer.java
index 0396b6a9..144dbd95 100644
--- a/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/server/ChargingPileServer.java
+++ b/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/server/ChargingPileServer.java
@@ -78,9 +78,10 @@ public class ChargingPileServer {
     public static void disconnPileNGuns(String pileNo) {
 
         ClientHandler handler = handlerMap.remove(pileNo);
-        if(handler!=null)
+        if(handler!=null) {
             handler.closeConnection();
-        log.debug("handler [{}] for ({}) close connection", handler.getName(), pileNo);
+            log.debug("handler [{}] for ({}) close connection", handler.getName(), pileNo);
+        }
         String pkey = "pile:".concat(pileNo);
         Map<String, Object> cachePile = REDIS.getCacheMap(pkey);
         putemDisconn(pileNo, cachePile);