diff --git a/src/main/java/com/genersoft/iot/vmp/utils/JsonUtil.java b/src/main/java/com/genersoft/iot/vmp/utils/JsonUtil.java
index 6ae56347..60e2dbe2 100644
--- a/src/main/java/com/genersoft/iot/vmp/utils/JsonUtil.java
+++ b/src/main/java/com/genersoft/iot/vmp/utils/JsonUtil.java
@@ -27,11 +27,10 @@ public final class JsonUtil {
      * @return result type
      */
     public static <T> T redisJsonToObject(String key, Class<T> clazz) {
-        JSONObject jsonObject = (JSONObject) RedisUtil.get(key);
+        Object jsonObject = RedisUtil.get(key);
         if (Objects.isNull(jsonObject)) {
             return null;
         }
-        return JSON.parseObject(jsonObject.toJSONString(), clazz);
+        return clazz.cast(jsonObject);
     }
-
 }
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