el NPE

xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/controller/ChargingController.java

@@ -295,11 +295,6 @@ public class ChargingController {
 
         ClientHandler handler = ChargingPileServer.getHandler(pileNo);
         if (handler == null) {
-            try {
-                handler.closeConnection();
-            } catch (Exception e) {
-                log.error("invalid conn [{}]", handler.getName());
-            }
             return R.fail("充电桩没有连接到上次注册的服务器,请稍后再试一次");
         }
         try {