diff --git a/weixin-java-pay/pom.xml b/weixin-java-pay/pom.xml
index 6b89031f9..e9df87aa0 100644
--- a/weixin-java-pay/pom.xml
+++ b/weixin-java-pay/pom.xml
@@ -12,18 +12,11 @@
   <artifactId>weixin-java-pay</artifactId>
   <name>WxJava - PAY Java SDK</name>
   <description>微信支付 Java SDK</description>
-  <build>
-    <plugins>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-compiler-plugin</artifactId>
-        <configuration>
-          <source>8</source>
-          <target>8</target>
-        </configuration>
-      </plugin>
-    </plugins>
-  </build>
+
+  <properties>
+    <maven.compiler.source>1.8</maven.compiler.source>
+    <maven.compiler.target>1.8</maven.compiler.target>
+  </properties>
 
   <dependencies>
     <dependency>
diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/payscore/WxPayScoreRequest.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/payscore/WxPayScoreRequest.java
index 81fd04b8e..e76801b90 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/payscore/WxPayScoreRequest.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/payscore/WxPayScoreRequest.java
@@ -1,8 +1,11 @@
 package com.github.binarywang.wxpay.bean.payscore;
 
 import com.google.gson.annotations.SerializedName;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
+import lombok.experimental.Accessors;
 
 import java.io.Serializable;
 import java.util.List;
@@ -11,8 +14,11 @@ import java.util.List;
  * @author doger.wang
  * @date 2020/5/12 16:36
  */
-@NoArgsConstructor
 @Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@Accessors(chain = true)
 public class WxPayScoreRequest implements Serializable {
   private static final long serialVersionUID = 364764508076146082L;
 
diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/WxPayServiceApacheHttpImpl.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/WxPayServiceApacheHttpImpl.java
index 0e0d8e79d..1b2d08984 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/WxPayServiceApacheHttpImpl.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/WxPayServiceApacheHttpImpl.java
@@ -144,11 +144,11 @@ public class WxPayServiceApacheHttpImpl extends BaseWxPayServiceImpl {
   }
 
   private CloseableHttpClient createApiV3HttpClient() throws WxPayException {
-    CloseableHttpClient apiv3HttpClient = this.getConfig().getApiV3HttpClient();
-    if (null == apiv3HttpClient) {
+    CloseableHttpClient apiV3HttpClient = this.getConfig().getApiV3HttpClient();
+    if (null == apiV3HttpClient) {
       return this.getConfig().initApiV3HttpClient();
     }
-    return apiv3HttpClient;
+    return apiV3HttpClient;
   }
 
   private StringEntity createEntry(String requestStr) {
diff --git a/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/service/impl/PayScoreServiceImplTest.java b/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/service/impl/PayScoreServiceImplTest.java
index fa0c7b944..b10871b87 100644
--- a/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/service/impl/PayScoreServiceImplTest.java
+++ b/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/service/impl/PayScoreServiceImplTest.java
@@ -1,46 +1,55 @@
 package com.github.binarywang.wxpay.service.impl;
 
+import com.github.binarywang.wxpay.bean.payscore.WxPayScoreRequest;
+import com.github.binarywang.wxpay.exception.WxPayException;
+import com.github.binarywang.wxpay.service.WxPayService;
+import com.github.binarywang.wxpay.testbase.ApiTestModule;
+import com.google.inject.Inject;
+import org.testng.annotations.Guice;
 import org.testng.annotations.Test;
 
-import static org.testng.Assert.*;
-
 /**
  * 测试代码，待补充完善.
  *
  * @author <a href="https://github.com/binarywang">Binary Wang</a>
  * @date 2020-05-19
  */
+@Test
+@Guice(modules = ApiTestModule.class)
 public class PayScoreServiceImplTest {
+  @Inject
+  private WxPayService payService;
 
-    @Test
-    public void testCreateServiceOrder() {
-    }
+  @Test
+  public void testCreateServiceOrder() throws WxPayException {
+    this.payService.getPayScoreService().createServiceOrder(WxPayScoreRequest.builder().build());
+  }
 
-    @Test
-    public void testQueryServiceOrder() {
-    }
+  @Test
+  public void testQueryServiceOrder() {
+  }
 
-    @Test
-    public void testCancelServiceOrder() {
-    }
+  @Test
+  public void testCancelServiceOrder() {
+  }
 
-    @Test
-    public void testModifyServiceOrder() {
-    }
+  @Test
+  public void testModifyServiceOrder() {
+  }
 
-    @Test
-    public void testCompleteServiceOrder() {
-    }
+  @Test
+  public void testCompleteServiceOrder() {
+  }
 
-    @Test
-    public void testPayServiceOrder() {
-    }
+  @Test
+  public void testPayServiceOrder() {
+  }
 
-    @Test
-    public void testSyncServiceOrder() {
-    }
+  @Test
+  public void testSyncServiceOrder() {
+  }
 
-    @Test
-    public void testDecryptNotifyData() {
-    }
+  @Test
+  public void testDecryptNotifyData() {
+  }
 }