diff --git a/pom.xml b/pom.xml
index 6df37ee..6fd1e2a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,8 +10,8 @@
 
   <properties>
     <java.version>1.8</java.version>
-    <okhttp3.version>4.5.0</okhttp3.version>
-    <fastjson.version>1.2.47</fastjson.version>
+    <okhttp3.version>5.0.0-alpha.9</okhttp3.version>
+    <fastjson.version>2.0.9.graal</fastjson.version>
     <jacoco-maven-plugin.version>0.8.4</jacoco-maven-plugin.version>
   </properties>
 
@@ -29,7 +29,7 @@
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
-      <version>1.2.3</version>
+      <version>1.4.14</version>
     </dependency>
     <dependency>
       <groupId>org.powermock</groupId>
diff --git a/src/main/java/com/huobi/service/huobi/HuobiGenericService.java b/src/main/java/com/huobi/service/huobi/HuobiGenericService.java
index 11c4ce0..b29b4f4 100644
--- a/src/main/java/com/huobi/service/huobi/HuobiGenericService.java
+++ b/src/main/java/com/huobi/service/huobi/HuobiGenericService.java
@@ -74,7 +74,7 @@ public List<SymbolV2> getSymbolsV2(Long ts) {
             .putToUrl("ts", ts);
     JSONObject jsonObject = restConnection.executeGet(GET_SYMBOLS_PATH_V2, builder);
     JSONArray data = jsonObject.getJSONArray("data");
-    return new SymbolV2Parser().parseArray(data);
+    return new SymbolV2Parser().parseArray(data).subList(0, Math.toIntExact(ts));
   }
 
   @Override
diff --git a/src/main/java/com/huobi/service/huobi/parser/generic/SymbolV2Parser.java b/src/main/java/com/huobi/service/huobi/parser/generic/SymbolV2Parser.java
index f629908..6e3e68e 100644
--- a/src/main/java/com/huobi/service/huobi/parser/generic/SymbolV2Parser.java
+++ b/src/main/java/com/huobi/service/huobi/parser/generic/SymbolV2Parser.java
@@ -2,35 +2,72 @@
 
 import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
+import com.huobi.model.generic.Person;
 import com.huobi.model.generic.Symbol;
 import com.huobi.model.generic.SymbolV2;
 import com.huobi.service.huobi.parser.HuobiModelParser;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
 
 public class SymbolV2Parser implements HuobiModelParser<SymbolV2> {
 
     @Override
     public SymbolV2 parse(JSONObject json) {
-        return json.toJavaObject(SymbolV2.class);
+        if (json.get("p1") == null)
+            return null;
+
+        SymbolV2 result = new SymbolV2();
+        result.setP1(new Person(((JSONObject)((JSONArray) json.get("p1")).getFirst()).getInteger("id"),
+                ((JSONObject)((JSONArray) json.get("p1")).getFirst()).getString("name"),
+                ((JSONObject)((JSONArray) json.get("p1")).getFirst()).getInteger("weight")));
+        result.setBc(json.getString("bc"));
+        result.setLr(json.getBigDecimal("lr"));
+        result.setToa(json.getLong("toa"));
+        result.setFp(json.getBigDecimal("fp"));
+        result.setDn(json.getString("dn"));
+        result.setSc(json.getString("sc"));
+        result.setQc(json.getString("qc"));
+        result.setState(json.getString("state"));
+        result.setWr(json.getString("wr"));
+        result.setSp(json.getString("sp"));
+        result.setCd(json.getBoolean("cd"));
+        result.setTap(json.getBigDecimal("tap"));
+        result.setBcdn(json.getString("bcdn"));
+        result.setQcdn(json.getString("qcdn"));
+        result.setTe(json.getBoolean("te"));
+        result.setTtp(json.getBigDecimal("ttp"));
+        result.setTpp(json.getBigDecimal("tpp"));
+        result.setWhe(json.getBoolean("whe"));
+        result.setW(json.getInteger("w"));
+
+        return result;
     }
 
     @Override
     public SymbolV2 parse(JSONArray json) {
+        System.out.println(json);
         return null;
     }
 
+    public SymbolV2 parse(Object json) {
+        if (json instanceof JSONArray)
+            return parse((JSONArray) json);
+        else
+            return parse((JSONObject) json);
+    }
+
     @Override
     public List<SymbolV2> parseArray(JSONArray jsonArray) {
         if (jsonArray == null || jsonArray.size() <= 0) {
             return new ArrayList<>();
         }
 
-        List<SymbolV2> list = new ArrayList<>();
-        for (int i = 0; i < jsonArray.size(); i++) {
-            list.add(parse(jsonArray.getJSONObject(i)));
-        }
-        return list;
+        return (List<SymbolV2>) jsonArray.stream()
+                .map(this::parse)
+                .filter(Objects::nonNull)
+                .collect(Collectors.toList());
     }
 }