diff --git a/Android/doric/src/main/java/pub/doric/engine/remote/RemoteJSExecutor.java b/Android/doric/src/main/java/pub/doric/engine/remote/RemoteJSExecutor.java
index 385c644a..9917c60d 100644
--- a/Android/doric/src/main/java/pub/doric/engine/remote/RemoteJSExecutor.java
+++ b/Android/doric/src/main/java/pub/doric/engine/remote/RemoteJSExecutor.java
@@ -40,7 +40,7 @@ public class RemoteJSExecutor {
                 .readTimeout(10, TimeUnit.SECONDS)
                 .writeTimeout(10, TimeUnit.SECONDS)
                 .build();
-        final Request request = new Request.Builder().url("ws://192.168.24.166:2080").build();
+        final Request request = new Request.Builder().url("ws://192.168.24.221:2080").build();
 
         final Thread current = Thread.currentThread();
         webSocket = okHttpClient.newWebSocket(request, new WebSocketListener() {
@@ -116,7 +116,7 @@ public class RemoteJSExecutor {
                             } catch (Exception ex) {
                                 ex.printStackTrace();
                             } finally {
-                                //LockSupport.unpark(current);
+                                LockSupport.unpark(current);
                             }
                         }
                         break;
@@ -165,7 +165,7 @@ public class RemoteJSExecutor {
         jo.addProperty("hashKey", hashKey);
         webSocket.send(gson.toJson(jo));
 
-        // LockSupport.park(Thread.currentThread());
+        LockSupport.park(Thread.currentThread());
         return null;
     }
 
diff --git a/Android/doric/src/main/java/pub/doric/engine/remote/ValueBuilder.java b/Android/doric/src/main/java/pub/doric/engine/remote/ValueBuilder.java
index d369e055..34aa21f0 100644
--- a/Android/doric/src/main/java/pub/doric/engine/remote/ValueBuilder.java
+++ b/Android/doric/src/main/java/pub/doric/engine/remote/ValueBuilder.java
@@ -67,7 +67,7 @@ public class ValueBuilder {
                 write(output, key);
                 write(output, ((JSONObject) O).opt(key));
             }
-            writeInt(output, 0);
+            output.write((byte) 'N');
         } else if (O instanceof JSONArray) {
             output.write((byte) 'A');
             writeInt(output, ((JSONArray) O).length());
diff --git a/js-framework/index.debug.ts b/js-framework/index.debug.ts
index 79f33b81..9d9c2f20 100644
--- a/js-framework/index.debug.ts
+++ b/js-framework/index.debug.ts
@@ -24,12 +24,13 @@ global.Entry = doric.jsObtainEntry(contextId)
 
 const wss = new WebSocket.Server({ port: 2080 })
 wss.on('connection', function connection(ws) {
+  console.log('Connected')
   ws.on('message', function incoming(message: string) {
     let messageObject = JSON.parse(message)
     switch (messageObject.cmd) {
       case "injectGlobalJSFunction":
         console.log(messageObject.name)
-        Reflect.set(global, messageObject.name, function() {
+        Reflect.set(global, messageObject.name, function () {
           let args = [].slice.call(arguments)
           console.log("===============================")
           console.log(args)
@@ -46,7 +47,7 @@ wss.on('connection', function connection(ws) {
         console.log(messageObject.functionName)
 
         let args = []
-        for (let i = 0;i < messageObject.javaValues.length;i++) {
+        for (let i = 0; i < messageObject.javaValues.length; i++) {
           let javaValue = messageObject.javaValues[i]
           if (javaValue.type === 0) {
             args.push(null)