diff --git a/proxy-common/src/main/java/org/fengfei/lanproxy/common/JsonUtil.java b/proxy-common/src/main/java/org/fengfei/lanproxy/common/JsonUtil.java
index 2cf747c..211488a 100644
--- a/proxy-common/src/main/java/org/fengfei/lanproxy/common/JsonUtil.java
+++ b/proxy-common/src/main/java/org/fengfei/lanproxy/common/JsonUtil.java
@@ -1,6 +1,6 @@
 package org.fengfei.lanproxy.common;
 
-import com.google.gson.Gson;
+import com.alibaba.fastjson.JSON;
 import com.google.gson.reflect.TypeToken;
 
 /**
@@ -13,12 +13,8 @@ public class JsonUtil {
 
     @SuppressWarnings("unchecked")
     public static <T> T json2object(String json, TypeToken<T> typeToken) {
-        try {
-            Gson gson = new Gson();
-            return (T) gson.fromJson(json, typeToken.getType());
-        } catch (Exception e) {
-        }
-        return null;
+
+            return (T)  JSON.parseObject(json,typeToken.getType());
     }
 
     /**
@@ -27,8 +23,7 @@ public class JsonUtil {
      *
      */
     public static String object2json(Object obj) {
-        Gson gson = new Gson();
-        return gson.toJson(obj);
+        return JSON.toJSONString(obj);
     }
 
 }
\ No newline at end of file