diff --git a/.idea/misc.xml b/.idea/misc.xml
index d96f21c..eeb4ab3 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="JDK" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/seriallibrary/build.gradle b/seriallibrary/build.gradle
index 026bf78..ccc90d3 100644
--- a/seriallibrary/build.gradle
+++ b/seriallibrary/build.gradle
@@ -31,5 +31,5 @@ dependencies {
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
 
-    implementation 'com.github.Sheedon:SerialDispatcher:1.0.0'
+    implementation 'com.github.Sheedon:SerialDispatcher:1.0.2'
 }
diff --git a/seriallibrary/src/main/java/org/sheedon/serial/retrofit/Call.java b/seriallibrary/src/main/java/org/sheedon/serial/retrofit/Call.java
index 11bfed5..f9dab66 100644
--- a/seriallibrary/src/main/java/org/sheedon/serial/retrofit/Call.java
+++ b/seriallibrary/src/main/java/org/sheedon/serial/retrofit/Call.java
@@ -31,6 +31,16 @@ public interface Call<T> extends Cloneable {
      */
     void enqueue(Callback<T> responseCallback);
 
+    /**
+     * 添加绑定额外
+     */
+    void addBindCallback(Callback<T> callback);
+
+    /**
+     * 移除绑定
+     */
+    void unBindCallback();
+
     /**
      * Cancels the request, if possible. Requests that are already complete cannot be canceled.
      */
diff --git a/seriallibrary/src/main/java/org/sheedon/serial/retrofit/ExecutorCallAdapterFactory.java b/seriallibrary/src/main/java/org/sheedon/serial/retrofit/ExecutorCallAdapterFactory.java
index 8caf2c5..1947ba2 100644
--- a/seriallibrary/src/main/java/org/sheedon/serial/retrofit/ExecutorCallAdapterFactory.java
+++ b/seriallibrary/src/main/java/org/sheedon/serial/retrofit/ExecutorCallAdapterFactory.java
@@ -81,6 +81,45 @@ public void publishNotCallback() {
             enqueue(null);
         }
 
+        @Override
+        public void addBindCallback(final Callback<T> callback) {
+            if(callback == null){
+                return;
+            }
+
+            delegate.addBindCallback(new Callback<T>() {
+                @Override
+                public void onResponse(Call<T> call, final Response<T> response) {
+                    callbackExecutor.execute(new Runnable() {
+                        @Override
+                        public void run() {
+                            if (delegate.isCanceled()) {
+                                // Emulate OkHttp's behavior of throwing/delivering an IOException on cancellation.
+                                callback.onFailure(ExecutorCallbackCall.this, new IOException("Canceled"));
+                            } else {
+                                callback.onResponse(ExecutorCallbackCall.this, response);
+                            }
+                        }
+                    });
+                }
+
+                @Override
+                public void onFailure(Call<T> call, final Throwable t) {
+                    callbackExecutor.execute(new Runnable() {
+                        @Override
+                        public void run() {
+                            callback.onFailure(ExecutorCallbackCall.this, t);
+                        }
+                    });
+                }
+            });
+        }
+
+        @Override
+        public void unBindCallback() {
+            delegate.unBindCallback();
+        }
+
         @Override
         public void enqueue(final Callback callback) {
 //            checkNotNull(callback, "callback == null");
diff --git a/seriallibrary/src/main/java/org/sheedon/serial/retrofit/SerialCall.java b/seriallibrary/src/main/java/org/sheedon/serial/retrofit/SerialCall.java
index 1c76025..9abeee5 100644
--- a/seriallibrary/src/main/java/org/sheedon/serial/retrofit/SerialCall.java
+++ b/seriallibrary/src/main/java/org/sheedon/serial/retrofit/SerialCall.java
@@ -12,6 +12,7 @@
 
 /**
  * 串口Call，用于触发串口调度
+ *
  * @Author: sheedon
  * @Email: sheedonsun@163.com
  * @Date: 2020/2/23 22:27
@@ -74,6 +75,90 @@ public void publishNotCallback() {
         enqueue(null);
     }
 
+    @Override
+    public void addBindCallback(final Callback<T> callback) {
+        org.sheedon.serial.Call call;
+        Throwable failure;
+
+        synchronized (this) {
+
+            call = rawCall;
+            failure = creationFailure;
+            if (call == null && failure == null) {
+                try {
+                    call = rawCall = createRawCall();
+                } catch (Throwable t) {
+                    failure = creationFailure = t;
+                }
+            }
+        }
+
+        if (failure != null) {
+            dealWithCallback(callback, SerialCall.this, null, failure, false);
+            return;
+        }
+
+        if (canceled) {
+            call.cancel();
+        }
+
+        if (callback == null)
+            return;
+
+        call.addBindCallback(new org.sheedon.serial.Callback<org.sheedon.serial.Response>() {
+            @Override
+            public void onFailure(Throwable e) {
+                try {
+                    dealWithCallback(callback, SerialCall.this, null, e, false);
+                } catch (Throwable t) {
+                    t.printStackTrace();
+                }
+            }
+
+            @Override
+            public void onResponse(org.sheedon.serial.Response rawResponse) {
+                Response<T> response;
+                try {
+                    response = parseResponse(rawResponse);
+                } catch (Throwable e) {
+                    callFailure(e);
+                    return;
+                }
+                callSuccess(response);
+            }
+
+            private void callFailure(Throwable e) {
+                try {
+                    dealWithCallback(callback, SerialCall.this, null, e, false);
+                } catch (Throwable t) {
+                    t.printStackTrace();
+                }
+            }
+
+            private void callSuccess(Response<T> response) {
+                try {
+                    dealWithCallback(callback, SerialCall.this, response, null, true);
+                } catch (Throwable t) {
+                    t.printStackTrace();
+                }
+            }
+        });
+    }
+
+    @Override
+    public void unBindCallback() {
+        org.sheedon.serial.Call call;
+
+        synchronized (this) {
+            call = rawCall;
+        }
+
+        if (call == null)
+            return;
+
+        call.removeBindCallback();
+    }
+
     @Override
     public void enqueue(final Callback callback) {
 
@@ -178,7 +263,7 @@ private org.sheedon.serial.Call createRawCall() throws IOException {
         return call;
     }
 
-    Response<T> parseResponse(org.sheedon.serial.Response rawResponse) throws IOException {
+    Response<T> parseResponse(org.sheedon.serial.Response rawResponse) {
         ResponseBody rawBody = rawResponse.body();
 
         try {