diff --git a/lib_network/src/main/java/com/android/sdk/net/gson/AutoGson.java b/lib_network/src/main/java/com/android/sdk/net/gson/AutoGson.java
index dc91002..6ab8a8c 100644
--- a/lib_network/src/main/java/com/android/sdk/net/gson/AutoGson.java
+++ b/lib_network/src/main/java/com/android/sdk/net/gson/AutoGson.java
@@ -26,4 +26,5 @@ public @interface AutoGson {
      * @return the annotated class's real type.
      */
     Class autoClass();
+
 }
diff --git a/lib_network/src/main/java/com/android/sdk/net/gson/ErrorJsonLenientConverterFactory.java b/lib_network/src/main/java/com/android/sdk/net/gson/ErrorJsonLenientConverterFactory.java
index b641b0e..dfaf710 100644
--- a/lib_network/src/main/java/com/android/sdk/net/gson/ErrorJsonLenientConverterFactory.java
+++ b/lib_network/src/main/java/com/android/sdk/net/gson/ErrorJsonLenientConverterFactory.java
@@ -10,7 +10,6 @@ import okhttp3.RequestBody;
 import okhttp3.ResponseBody;
 import retrofit2.Converter;
 import retrofit2.Retrofit;
-import retrofit2.converter.gson.GsonConverterFactory;
 import timber.log.Timber;
 
 /**
@@ -21,9 +20,9 @@ import timber.log.Timber;
  */
 public class ErrorJsonLenientConverterFactory extends Converter.Factory {
 
-    private final GsonConverterFactory mGsonConverterFactory;
+    private final Converter.Factory mGsonConverterFactory;
 
-    public ErrorJsonLenientConverterFactory(GsonConverterFactory gsonConverterFactory) {
+    public ErrorJsonLenientConverterFactory(Converter.Factory gsonConverterFactory) {
         mGsonConverterFactory = gsonConverterFactory;
     }
 
@@ -32,22 +31,23 @@ public class ErrorJsonLenientConverterFactory extends Converter.Factory {
                                                           Annotation[] parameterAnnotations,
                                                           Annotation[] methodAnnotations,
                                                           Retrofit retrofit) {
+
         return mGsonConverterFactory.requestBodyConverter(type, parameterAnnotations, methodAnnotations, retrofit);
     }
 
     @Override
-    public Converter<ResponseBody, ?> responseBodyConverter(Type type,
-                                                            Annotation[] annotations,
-                                                            Retrofit retrofit) {
+    public Converter<ResponseBody, ?> responseBodyConverter(Type type, Annotation[] annotations, Retrofit retrofit) {
 
         final Converter<ResponseBody, ?> delegateConverter = mGsonConverterFactory.responseBodyConverter(type, annotations, retrofit);
+        assert delegateConverter != null;
 
         return (Converter<ResponseBody, Object>) value -> {
             try {
                 return delegateConverter.convert(value);
             } catch (Exception e/*防止闪退：JsonSyntaxException、IOException or MalformedJsonException*/) {
                 Timber.e(e, "Json covert error -->error ");
-                return NetContext.get().netProvider().errorDataAdapter().createErrorDataStub(type, annotations, retrofit, value);//服务器数据格式错误
+                //服务器数据格式错误
+                return NetContext.get().netProvider().errorDataAdapter().createErrorDataStub(type, annotations, retrofit, value);
             }
         };
 
diff --git a/lib_network/src/main/java/com/android/sdk/net/gson/JsonDeserializers.java b/lib_network/src/main/java/com/android/sdk/net/gson/JsonDeserializers.java
index abfdd21..aaed985 100644
--- a/lib_network/src/main/java/com/android/sdk/net/gson/JsonDeserializers.java
+++ b/lib_network/src/main/java/com/android/sdk/net/gson/JsonDeserializers.java
@@ -24,7 +24,7 @@ class JsonDeserializers {
             try {
                 return json.getAsDouble();
             } catch (Exception e) {
-                Timber.e(e, "DoubleJsonDeserializer-deserialize-error:" + (json != null ? json.toString() : ""));
+                Timber.e(e, "DoubleJsonDeserializer-deserialize-error:%s", (json != null ? json.toString() : ""));
                 return 0D;
             }
         }
@@ -38,7 +38,7 @@ class JsonDeserializers {
             try {
                 return json.getAsInt();
             } catch (Exception e) {
-                Timber.e(e, "IntegerJsonDeserializer-deserialize-error:" + (json != null ? json.toString() : ""));
+                Timber.e(e, "IntegerJsonDeserializer-deserialize-error:%s", (json != null ? json.toString() : ""));
                 return 0;
             }
         }
@@ -52,7 +52,7 @@ class JsonDeserializers {
             try {
                 return json.getAsString();
             } catch (Exception e) {
-                Timber.e(e, "StringJsonDeserializer-deserialize-error:" + (json != null ? json.toString() : ""));
+                Timber.e(e, "StringJsonDeserializer-deserialize-error:%s", (json != null ? json.toString() : ""));
                 return null;
             }
         }
@@ -74,7 +74,7 @@ class JsonDeserializers {
             try {
                 return json.getAsFloat();
             } catch (Exception e) {
-                Timber.e(e, "FloatJsonDeserializer-deserialize-error:" + (json != null ? json.toString() : ""));
+                Timber.e(e, "FloatJsonDeserializer-deserialize-error:%s", (json != null ? json.toString() : ""));
                 return 0F;
             }
         }
diff --git a/lib_network/src/main/java/com/android/sdk/net/provider/HttpConfig.java b/lib_network/src/main/java/com/android/sdk/net/provider/HttpConfig.java
index a292d8f..8b24cae 100644
--- a/lib_network/src/main/java/com/android/sdk/net/provider/HttpConfig.java
+++ b/lib_network/src/main/java/com/android/sdk/net/provider/HttpConfig.java
@@ -1,5 +1,6 @@
 package com.android.sdk.net.provider;
 
+import androidx.annotation.NonNull;
 import io.reactivex.schedulers.Schedulers;
 import okhttp3.OkHttpClient;
 import retrofit2.Retrofit;
@@ -11,15 +12,21 @@ import retrofit2.Retrofit;
  */
 public interface HttpConfig {
 
-    void configHttp(OkHttpClient.Builder builder);
+    /**
+     * base url for build retrofit.
+     */
+    String baseUrl();
+
+    /**
+     * config OkHttp client.
+     */
+    void configHttp(@NonNull OkHttpClient.Builder builder);
 
     /**
      * default config is {@link retrofit2.converter.gson.GsonConverterFactory}、{@link retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory} with {@link Schedulers#io()}
      *
-     * @return if true, default config  do nothing.
+     * @return if true, default config  do nothing, and all config up to you.
      */
-    boolean configRetrofit(Retrofit.Builder builder);
-
-    String baseUrl();
+    boolean configRetrofit(@NonNull OkHttpClient okHttpClient, @NonNull Retrofit.Builder builder);
 
 }
diff --git a/lib_network/src/main/java/com/android/sdk/net/service/ServiceFactory.java b/lib_network/src/main/java/com/android/sdk/net/service/ServiceFactory.java
index bea094b..85b1a64 100644
--- a/lib_network/src/main/java/com/android/sdk/net/service/ServiceFactory.java
+++ b/lib_network/src/main/java/com/android/sdk/net/service/ServiceFactory.java
@@ -29,9 +29,8 @@ public class ServiceFactory {
         mBaseUrl = httpConfig.baseUrl();
 
         Retrofit.Builder builder = new Retrofit.Builder();
-        boolean abort = httpConfig.configRetrofit(builder);
 
-        if (!abort) {
+        if (!httpConfig.configRetrofit(mOkHttpClient, builder)) {
             builder.baseUrl(mBaseUrl)
                     .client(okHttpClient)
                     .addConverterFactory(new ErrorJsonLenientConverterFactory(GsonConverterFactory.create(GsonUtils.gson())))