diff --git a/Android/doric/build.gradle b/Android/doric/build.gradle
index 02d5bd7d..d527b9c6 100644
--- a/Android/doric/build.gradle
+++ b/Android/doric/build.gradle
@@ -45,4 +45,5 @@ dependencies {
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
     api 'com.github.pengfeizhou:jsc4a:0.1.0'
+    implementation("com.squareup.okhttp3:okhttp:3.11.0")
 }
diff --git a/Android/doric/src/main/java/com/github/penfeizhou/doric/Doric.java b/Android/doric/src/main/java/com/github/penfeizhou/doric/Doric.java
index 5ec14f8c..23fe117e 100644
--- a/Android/doric/src/main/java/com/github/penfeizhou/doric/Doric.java
+++ b/Android/doric/src/main/java/com/github/penfeizhou/doric/Doric.java
@@ -18,4 +18,12 @@ public class Doric {
         return sApplication;
     }
 
+    public static void connectDevKit(String url) {
+        DoricDriver.getInstance().connectDevKit(url);
+    }
+
+    public static void disconnectDevKit() {
+        DoricDriver.getInstance().disconnectDevKit();
+    }
+
 }
diff --git a/Android/doric/src/main/java/com/github/penfeizhou/doric/DoricContext.java b/Android/doric/src/main/java/com/github/penfeizhou/doric/DoricContext.java
index 4467096a..add8ee4f 100644
--- a/Android/doric/src/main/java/com/github/penfeizhou/doric/DoricContext.java
+++ b/Android/doric/src/main/java/com/github/penfeizhou/doric/DoricContext.java
@@ -21,14 +21,20 @@ public class DoricContext {
     private final Map<String, DoricJavaPlugin> mPluginMap = new HashMap<>();
     private final Context mContext;
     private RootNode mRootNode = new RootNode(this);
+    private final String source;
 
-    DoricContext(Context context, String contextId) {
+    DoricContext(Context context, String contextId, String source) {
         this.mContext = context;
         this.mContextId = contextId;
+        this.source = source;
     }
 
-    public static DoricContext create(Context context, String script, String alias) {
-        return DoricContextManager.getInstance().createContext(context, script, alias);
+    public String getSource() {
+        return source;
+    }
+
+    public static DoricContext create(Context context, String script, String source) {
+        return DoricContextManager.getInstance().createContext(context, script, source);
     }
 
     public AsyncResult<JSDecoder> callEntity(String methodName, Object... args) {
@@ -78,4 +84,8 @@ public class DoricContext {
         }
         return plugin;
     }
+
+    public void reload(String script) {
+        getDriver().createContext(mContextId, script, source);
+    }
 }
diff --git a/Android/doric/src/main/java/com/github/penfeizhou/doric/DoricContextManager.java b/Android/doric/src/main/java/com/github/penfeizhou/doric/DoricContextManager.java
index a531397f..9f44a8c9 100644
--- a/Android/doric/src/main/java/com/github/penfeizhou/doric/DoricContextManager.java
+++ b/Android/doric/src/main/java/com/github/penfeizhou/doric/DoricContextManager.java
@@ -4,7 +4,9 @@ import android.content.Context;
 
 import com.github.penfeizhou.doric.async.AsyncResult;
 
+import java.util.Collection;
 import java.util.Map;
+import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.atomic.AtomicInteger;
 
@@ -33,7 +35,7 @@ public class DoricContextManager {
 
     DoricContext createContext(Context context, final String script, final String source) {
         final String contextId = String.valueOf(counter.incrementAndGet());
-        final DoricContext doricContext = new DoricContext(context, contextId);
+        final DoricContext doricContext = new DoricContext(context, contextId, source);
         doricContextMap.put(contextId, doricContext);
         doricContext.getDriver().createContext(contextId, script, source);
         return doricContext;
@@ -63,4 +65,12 @@ public class DoricContextManager {
     public static DoricContext getContext(String contextId) {
         return getInstance().doricContextMap.get(contextId);
     }
+
+    public static Set<String> getKeySet() {
+        return getInstance().doricContextMap.keySet();
+    }
+
+    public static Collection<DoricContext> aliveContexts() {
+        return getInstance().doricContextMap.values();
+    }
 }
diff --git a/Android/doric/src/main/java/com/github/penfeizhou/doric/DoricDriver.java b/Android/doric/src/main/java/com/github/penfeizhou/doric/DoricDriver.java
index 9e6053d5..66c05119 100644
--- a/Android/doric/src/main/java/com/github/penfeizhou/doric/DoricDriver.java
+++ b/Android/doric/src/main/java/com/github/penfeizhou/doric/DoricDriver.java
@@ -5,6 +5,7 @@ import android.os.Looper;
 
 import com.github.penfeizhou.doric.async.AsyncCall;
 import com.github.penfeizhou.doric.async.AsyncResult;
+import com.github.penfeizhou.doric.dev.WSClient;
 import com.github.penfeizhou.doric.engine.DoricJSEngine;
 import com.github.penfeizhou.doric.utils.DoricConstant;
 import com.github.penfeizhou.doric.utils.DoricLog;
@@ -25,6 +26,7 @@ public class DoricDriver implements IDoricDriver {
     private final ExecutorService mBridgeExecutor;
     private final Handler mUIHandler;
     private final Handler mJSHandler;
+    private WSClient wsClient;
 
     @Override
     public AsyncResult<JSDecoder> invokeContextEntityMethod(final String contextId, final String method, final Object... args) {
@@ -118,4 +120,15 @@ public class DoricDriver implements IDoricDriver {
     public DoricRegistry getRegistry() {
         return doricJSEngine.getRegistry();
     }
+
+    @Override
+    public void connectDevKit(String url) {
+        wsClient = new WSClient(url);
+    }
+
+    @Override
+    public void disconnectDevKit() {
+        wsClient.close();
+        wsClient = null;
+    }
 }
diff --git a/Android/doric/src/main/java/com/github/penfeizhou/doric/IDoricDriver.java b/Android/doric/src/main/java/com/github/penfeizhou/doric/IDoricDriver.java
index d026fb57..0e1b7cf5 100644
--- a/Android/doric/src/main/java/com/github/penfeizhou/doric/IDoricDriver.java
+++ b/Android/doric/src/main/java/com/github/penfeizhou/doric/IDoricDriver.java
@@ -24,4 +24,8 @@ public interface IDoricDriver {
     AsyncResult<Boolean> destroyContext(final String contextId);
 
     DoricRegistry getRegistry();
+
+    void connectDevKit(String url);
+
+    void disconnectDevKit();
 }
diff --git a/Android/doric/src/main/java/com/github/penfeizhou/doric/dev/WSClient.java b/Android/doric/src/main/java/com/github/penfeizhou/doric/dev/WSClient.java
new file mode 100644
index 00000000..79b58b23
--- /dev/null
+++ b/Android/doric/src/main/java/com/github/penfeizhou/doric/dev/WSClient.java
@@ -0,0 +1,78 @@
+package com.github.penfeizhou.doric.dev;
+
+import com.github.penfeizhou.doric.DoricContext;
+import com.github.penfeizhou.doric.DoricContextManager;
+import com.github.penfeizhou.doric.DoricDriver;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.WebSocket;
+import okhttp3.WebSocketListener;
+
+/**
+ * @Description: com.github.penfeizhou.doric.dev
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-08-03
+ */
+public class WSClient extends WebSocketListener {
+    private final WebSocket webSocket;
+
+    public WSClient(String url) {
+        OkHttpClient okHttpClient = new OkHttpClient
+                .Builder()
+                .readTimeout(10, TimeUnit.SECONDS)
+                .writeTimeout(10, TimeUnit.SECONDS)
+                .build();
+        Request request = new Request.Builder().url(url).build();
+        webSocket = okHttpClient.newWebSocket(request, this);
+    }
+
+    public void close() {
+        webSocket.close(-1, "Close");
+    }
+
+    @Override
+    public void onOpen(WebSocket webSocket, Response response) {
+        super.onOpen(webSocket, response);
+    }
+
+    @Override
+    public void onMessage(WebSocket webSocket, String text) {
+        super.onMessage(webSocket, text);
+        try {
+            JSONObject jsonObject = new JSONObject(text);
+            String source = jsonObject.optString("source");
+            String script = jsonObject.optString("script");
+            for (DoricContext context : DoricContextManager.aliveContexts()) {
+                if (source.equals(context.getSource())) {
+                    context.reload(script);
+                }
+            }
+        } catch (JSONException e) {
+            e.printStackTrace();
+        }
+
+    }
+
+    @Override
+    public void onClosing(WebSocket webSocket, int code, String reason) {
+        super.onClosing(webSocket, code, reason);
+    }
+
+    @Override
+    public void onClosed(WebSocket webSocket, int code, String reason) {
+        super.onClosed(webSocket, code, reason);
+    }
+
+    @Override
+    public void onFailure(WebSocket webSocket, Throwable t, Response response) {
+        super.onFailure(webSocket, t, response);
+    }
+}