diff --git a/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/server/ChargingPileBinaryHandler.java b/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/server/ChargingPileBinaryHandler.java
index 49da5c1e..8961cdd1 100644
--- a/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/server/ChargingPileBinaryHandler.java
+++ b/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/server/ChargingPileBinaryHandler.java
@@ -173,7 +173,7 @@ public class ChargingPileBinaryHandler implements ClientBinaryHandler {
         int start = 0;
         while (start < data.length) {
             if (len > data.length) {
-                log.error("incorrect input data|{}| len[{}]", data, data.length);
+                log.error("incorrect input data|{}| len[{}]", toHex(data), data.length);
                 break;
             }
             dataList.add(ArrayUtils.subarray(data, start, start + len));