diff --git a/src/main/java/cn/montaro/aria2/client/http/Aria2HttpProxy.java b/src/main/java/cn/montaro/aria2/client/http/Aria2HttpProxy.java
index 21683fd..b6b1f95 100644
--- a/src/main/java/cn/montaro/aria2/client/http/Aria2HttpProxy.java
+++ b/src/main/java/cn/montaro/aria2/client/http/Aria2HttpProxy.java
@@ -16,7 +16,7 @@ import java.util.UUID;
 public class Aria2HttpProxy implements InvocationHandler {
 
     private final Gson gson;
-    private Aria2Config config;
+    private final Aria2Config config;
 
     public Aria2HttpProxy(Aria2Config config) {
         this.config = config;
@@ -80,10 +80,9 @@ public class Aria2HttpProxy implements InvocationHandler {
 
     private Object deserialize(String json, Type resultType) {
         JsonObject jsonObject = JsonParser.parseString(json).getAsJsonObject();
-        JsonObject result = jsonObject.get("result").getAsJsonObject();
-
+        String result = jsonObject.get("result").getAsString();
         if (resultType.equals(String.class)) {
-            return result.toString();
+            return result;
         }
         return gson.fromJson(result, resultType);
     }
diff --git a/src/test/java/Aria2ClientTest.java b/src/test/java/Aria2ClientTest.java
index d71faf9..91e363f 100644
--- a/src/test/java/Aria2ClientTest.java
+++ b/src/test/java/Aria2ClientTest.java
@@ -1,3 +1,4 @@
+import cn.hutool.core.collection.ListUtil;
 import cn.montaro.aria2.Aria2Client;
 import cn.montaro.aria2.Aria2ClientFactory;
 import cn.montaro.aria2.Aria2Config;
@@ -6,14 +7,14 @@ import org.junit.Test;
 public class Aria2ClientTest {
 
     Aria2Config config = new Aria2Config()
-            .setHost("192.168.99.120")
-            .setSecret("montaro");
+            .setHost("localhost")
+            .setSecret("123456");
 
     Aria2Client client = Aria2ClientFactory.httpClient(config);
 
     @Test
     public void test() {
-        String globalStat = client.getGlobalStat();
-        System.out.println("globalStat = " + globalStat);
+        String gid = client.addUri(ListUtil.of("magnet:?xt=urn:btih:308f0122b1c3af5db9f3660775a6a2d81bd1e120"), null, null);
+        System.out.println("gid = " + gid);
     }
 }