diff --git a/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/utils/security/CP56Time2a.java b/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/utils/security/CP56Time2a.java
index 81f2ebd0..e742f838 100644
--- a/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/utils/security/CP56Time2a.java
+++ b/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/utils/security/CP56Time2a.java
@@ -19,7 +19,7 @@ public class CP56Time2a {
         int milliseconds = HexUtils.reverseHexInt(hex.substring(0, 4));
         int minutes = bytes[2] & 0x3f;
         int hours = bytes[3] & 0x1f;
-        int days = bytes[4] & 0x3f;
+        int days = bytes[4] & 0x1f;
         int months = bytes[5] & 0x0f;
         int years = bytes[6] & 0x7f;
         DateTime dt = new DateTime();
@@ -218,8 +218,9 @@ public class CP56Time2a {
 //        System.out.println(String.format("--未编码--: %s", time));
 //        String hex = toCp56Hex(time);
 //        System.out.println("--编码1--:" + hex);
-        System.out.println(HexUtils.toBinaryString("CA600D173F0116"));
-        System.out.println("--下达1--:" + DateUtil.format(cp56toDate("C05D0D171F0116"), NORM_DATETIME_FORMATTER));
+        System.out.println(HexUtils.toBinaryString("90E223133D0416"));
+        System.out.println("--下达1--:" + DateUtil.format(cp56toDate("38443B161D0416"), NORM_DATETIME_FORMATTER));
+        System.out.println("--下达2--:" + DateUtil.format(cp56toDate("384A34171D0416"), NORM_DATETIME_FORMATTER));
         System.out.println("toCp56Hex = " + toCp56Hex(cp56toDate("C05D0D171F0116")));
 //        System.out.println("--下达2--:" + DateUtil.format(cp56toDate(""), NORM_DATETIME_FORMAT));
         String dateStr = "2017-03-01 22:33:23";