diff --git a/evcs-modules/evcs-core/src/main/java/com/xhpc/evcs/notification/NotificationEquipChargeStatusTask.java b/evcs-modules/evcs-core/src/main/java/com/xhpc/evcs/notification/NotificationEquipChargeStatusTask.java
index fa964a7d..ebace396 100644
--- a/evcs-modules/evcs-core/src/main/java/com/xhpc/evcs/notification/NotificationEquipChargeStatusTask.java
+++ b/evcs-modules/evcs-core/src/main/java/com/xhpc/evcs/notification/NotificationEquipChargeStatusTask.java
@@ -23,6 +23,7 @@ import java.math.BigDecimal;
 import java.math.RoundingMode;
 import java.util.*;
 
+import static cn.hutool.core.util.NumberUtil.isInteger;
 import static com.xhpc.common.data.redis.StaticBeanUtil.REDIS;
 import static com.xhpc.evcs.domain.AuthSecretToken.SECRET_TOKEN_TYPE_OUT;
 import static com.xhpc.evcs.utils.DateUtil.DATE_FORMAT_DATE_TIME;
@@ -190,31 +191,6 @@ public class NotificationEquipChargeStatusTask extends CoreDispatcher {
         }
     }
 
-    public static boolean isInteger(String str) {
-
-        if (str == null) {
-            return false;
-        }
-        int length = str.length();
-        if (length == 0) {
-            return false;
-        }
-        int i = 0;
-        if (str.charAt(0) == '-') {
-            if (length == 1) {
-                return false;
-            }
-            i = 1;
-        }
-        for (; i < length; i++) {
-            char c = str.charAt(i);
-            if (c < '0' || c > '9') {
-                return false;
-            }
-        }
-        return true;
-    }
-
     public static void main(String[] args) {
 
         DateTime dt = DateTime.now();