diff --git a/seriallibrary/build.gradle b/seriallibrary/build.gradle
index f212c4f..de38c01 100644
--- a/seriallibrary/build.gradle
+++ b/seriallibrary/build.gradle
@@ -7,8 +7,8 @@ android {
     defaultConfig {
         minSdkVersion 16
         targetSdkVersion 28
-        versionCode 6
-        versionName "1.2.1"
+        versionCode 7
+        versionName "1.2.2"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles 'consumer-rules.pro'
@@ -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:1.2.1'
+    implementation 'com.github.Sheedon:SerialDispatcher:1.3'
 }
diff --git a/seriallibrary/src/main/java/org/sheedon/serial/retrofit/SerialMessage.java b/seriallibrary/src/main/java/org/sheedon/serial/retrofit/SerialMessage.java
index 25c6c6c..ca085a9 100644
--- a/seriallibrary/src/main/java/org/sheedon/serial/retrofit/SerialMessage.java
+++ b/seriallibrary/src/main/java/org/sheedon/serial/retrofit/SerialMessage.java
@@ -61,4 +61,13 @@ public String getEndBit() {
     public void setEndBit(String endBit) {
         this.endBit = endBit;
     }
+
+    public SerialMessage clone(){
+        SerialMessage message = new SerialMessage();
+        message.startBit = startBit;
+        message.messageBit = messageBit;
+        message.parityBit = parityBit;
+        message.endBit = endBit;
+        return message;
+    }
 }
diff --git a/seriallibrary/src/main/java/org/sheedon/serial/retrofit/ServiceMethod.java b/seriallibrary/src/main/java/org/sheedon/serial/retrofit/ServiceMethod.java
index bcf5f34..97ef5bd 100644
--- a/seriallibrary/src/main/java/org/sheedon/serial/retrofit/ServiceMethod.java
+++ b/seriallibrary/src/main/java/org/sheedon/serial/retrofit/ServiceMethod.java
@@ -83,7 +83,7 @@ final class ServiceMethod<R, T> {
 
     Request toRequest(@Nullable Object... args) throws IOException {
 
-        RequestBuilder requestBuilder = new RequestBuilder(this,serialMessage,
+        RequestBuilder requestBuilder = new RequestBuilder(this, serialMessage.clone(),
                 bindCallback);
 
         @SuppressWarnings("unchecked") // It is an error to invoke a method with the wrong arg types.
@@ -106,7 +106,7 @@ T adapt(Call<R> call) {
         return callAdapter.adapt(call);
     }
 
-    T adapt(Observable<R> observable){
+    T adapt(Observable<R> observable) {
         return callAdapter.adapt(observable);
     }
 
@@ -124,7 +124,7 @@ String toParityBit(SerialMessage serialMessage) {
         return parityBitConverter.convert(serialMessage);
     }
 
-    String toRequestBody(SerialMessage serialMessage){
+    String toRequestBody(SerialMessage serialMessage) {
         return requestBodyConverter.convert(serialMessage);
     }
 
@@ -341,7 +341,7 @@ private ParameterHandler<?> parseParameterAnnotation(
 
                 Converter<?, String> converter = retrofit.stringConverter(type, annotations);
                 return new ParameterHandler.Path<>(name, converter, path.encoded());
-            }else if(annotation instanceof BackPath){
+            } else if (annotation instanceof BackPath) {
                 BackPath path = (BackPath) annotation;
                 String name = path.value();
                 Converter<?, String> converter = retrofit.stringConverter(type, annotations);