diff --git a/pom.xml b/pom.xml
index fb6907abe..93206d3cd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -162,7 +162,7 @@
         <version>4.12.0</version>
         <scope>provided</scope>
       </dependency>
-      <!-- HttpClient 5.x - 默认依赖（推荐使用） -->
+      <!-- HttpClient 5.x - 可选依赖，显式使用 HttpComponents 实现时需要 -->
       <dependency>
         <groupId>org.apache.httpcomponents.client5</groupId>
         <artifactId>httpclient5</artifactId>
diff --git a/weixin-java-channel/pom.xml b/weixin-java-channel/pom.xml
index f8eb264ed..fff1deb37 100644
--- a/weixin-java-channel/pom.xml
+++ b/weixin-java-channel/pom.xml
@@ -32,12 +32,10 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
-      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpmime</artifactId>
-      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents.client5</groupId>
diff --git a/weixin-java-channel/src/main/java/me/chanjar/weixin/channel/api/impl/WxChannelServiceImpl.java b/weixin-java-channel/src/main/java/me/chanjar/weixin/channel/api/impl/WxChannelServiceImpl.java
index ccd4eafc7..6f2c349f3 100644
--- a/weixin-java-channel/src/main/java/me/chanjar/weixin/channel/api/impl/WxChannelServiceImpl.java
+++ b/weixin-java-channel/src/main/java/me/chanjar/weixin/channel/api/impl/WxChannelServiceImpl.java
@@ -8,7 +8,7 @@ import lombok.extern.slf4j.Slf4j;
  * @author <a href="https://github.com/lixize">Zeyes</a>
  */
 @Slf4j
-public class WxChannelServiceImpl extends WxChannelServiceHttpComponentsImpl {
+public class WxChannelServiceImpl extends WxChannelServiceHttpClientImpl {
 
   public WxChannelServiceImpl() {
   }
diff --git a/weixin-java-common/pom.xml b/weixin-java-common/pom.xml
index 7338b04cd..5877bd85b 100644
--- a/weixin-java-common/pom.xml
+++ b/weixin-java-common/pom.xml
@@ -24,17 +24,17 @@
       <artifactId>okhttp</artifactId>
       <scope>provided</scope>
     </dependency>
-    <!-- HttpClient 5.x - 默认依赖（推荐使用） -->
+    <!-- HttpClient 5.x - 可选依赖，显式使用 HttpComponents 实现时需要 -->
     <dependency>
       <groupId>org.apache.httpcomponents.client5</groupId>
       <artifactId>httpclient5</artifactId>
+      <scope>provided</scope>
     </dependency>
 
     <!-- HttpClient 4.x - 默认依赖（为了保持向后兼容） -->
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
-      <scope>provided</scope>
       <exclusions>
         <exclusion>
           <artifactId>commons-logging</artifactId>
@@ -45,7 +45,6 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpmime</artifactId>
-      <scope>provided</scope>
     </dependency>
 
     <dependency>
diff --git a/weixin-java-cp/pom.xml b/weixin-java-cp/pom.xml
index 71fe527d1..37464655e 100644
--- a/weixin-java-cp/pom.xml
+++ b/weixin-java-cp/pom.xml
@@ -33,7 +33,6 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
-      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents.client5</groupId>
diff --git a/weixin-java-miniapp/pom.xml b/weixin-java-miniapp/pom.xml
index 5a8bc5516..67b93ec42 100644
--- a/weixin-java-miniapp/pom.xml
+++ b/weixin-java-miniapp/pom.xml
@@ -34,12 +34,10 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
-      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpmime</artifactId>
-      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents.client5</groupId>
diff --git a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaServiceImpl.java b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaServiceImpl.java
index d0820a0c2..16478f841 100644
--- a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaServiceImpl.java
+++ b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaServiceImpl.java
@@ -6,6 +6,6 @@ import lombok.extern.slf4j.Slf4j;
  * @author <a href="https://github.com/binarywang">Binary Wang</a>
  */
 @Slf4j
-public class WxMaServiceImpl extends WxMaServiceHttpComponentsImpl {
+public class WxMaServiceImpl extends WxMaServiceHttpClientImpl {
 
 }
diff --git a/weixin-java-miniapp/src/test/java/cn/binarywang/wx/miniapp/api/impl/WxMaServiceImplTest.java b/weixin-java-miniapp/src/test/java/cn/binarywang/wx/miniapp/api/impl/WxMaServiceImplTest.java
index afb7f7212..ff022f50a 100644
--- a/weixin-java-miniapp/src/test/java/cn/binarywang/wx/miniapp/api/impl/WxMaServiceImplTest.java
+++ b/weixin-java-miniapp/src/test/java/cn/binarywang/wx/miniapp/api/impl/WxMaServiceImplTest.java
@@ -11,6 +11,7 @@ import me.chanjar.weixin.common.bean.WxAccessTokenEntity;
 import me.chanjar.weixin.common.error.WxError;
 import me.chanjar.weixin.common.error.WxErrorException;
 import me.chanjar.weixin.common.error.WxMpErrorMsgEnum;
+import me.chanjar.weixin.common.util.http.HttpClientType;
 import me.chanjar.weixin.common.util.http.RequestExecutor;
 import org.apache.commons.lang3.StringUtils;
 import org.mockito.Mockito;
@@ -118,6 +119,8 @@ public class WxMaServiceImplTest {
 
   @Test
   public void testGetRequestType() {
+    assertThat(new WxMaServiceImpl().getRequestType()).isEqualTo(HttpClientType.APACHE_HTTP);
+    assertThat(new WxMaServiceHttpComponentsImpl().getRequestType()).isEqualTo(HttpClientType.HTTP_COMPONENTS);
   }
 
   @Test
diff --git a/weixin-java-mp/pom.xml b/weixin-java-mp/pom.xml
index 1c3b4239b..f5522736e 100644
--- a/weixin-java-mp/pom.xml
+++ b/weixin-java-mp/pom.xml
@@ -34,12 +34,10 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
-      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpmime</artifactId>
-      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents.client5</groupId>
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpServiceImpl.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpServiceImpl.java
index 7cef64e57..0498c23e8 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpServiceImpl.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpServiceImpl.java
@@ -2,11 +2,11 @@ package me.chanjar.weixin.mp.api.impl;
 
 /**
  * <pre>
- * 默认接口实现类，使用apache httpClient 5实现
+ * 默认接口实现类，使用 Apache HttpClient 4 实现.
  * Created by Binary Wang on 2017-5-27.
  * </pre>
  *
  * @author <a href="https://github.com/binarywang">Binary Wang</a>
  */
-public class WxMpServiceImpl extends WxMpServiceHttpComponentsImpl {
+public class WxMpServiceImpl extends WxMpServiceHttpClientImpl {
 }
diff --git a/weixin-java-open/pom.xml b/weixin-java-open/pom.xml
index 5e33d0f28..2c59bd4f5 100644
--- a/weixin-java-open/pom.xml
+++ b/weixin-java-open/pom.xml
@@ -51,12 +51,10 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
-      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpmime</artifactId>
-      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents.client5</groupId>
diff --git a/weixin-java-open/src/main/java/me/chanjar/weixin/open/api/impl/WxOpenServiceImpl.java b/weixin-java-open/src/main/java/me/chanjar/weixin/open/api/impl/WxOpenServiceImpl.java
index 83e831df7..c807ccdf9 100644
--- a/weixin-java-open/src/main/java/me/chanjar/weixin/open/api/impl/WxOpenServiceImpl.java
+++ b/weixin-java-open/src/main/java/me/chanjar/weixin/open/api/impl/WxOpenServiceImpl.java
@@ -3,6 +3,6 @@ package me.chanjar.weixin.open.api.impl;
 /**
  * @author <a href="https://github.com/007gzs">007</a>
  */
-public class WxOpenServiceImpl extends WxOpenServiceHttpComponentsImpl {
+public class WxOpenServiceImpl extends WxOpenServiceApacheHttpClientImpl {
 
 }
diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/WxPayServiceImpl.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/WxPayServiceImpl.java
index 4316bafa4..77246536a 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/WxPayServiceImpl.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/WxPayServiceImpl.java
@@ -2,11 +2,11 @@ package com.github.binarywang.wxpay.service.impl;
 
 /**
  * <pre>
- * 微信支付接口请求实现类，默认使用Apache HttpClient 5实现
+ * 微信支付接口请求实现类，默认使用 Apache HttpClient 4 实现.
  * Created by Binary Wang on 2017-7-8.
  * </pre>
  *
  * @author <a href="https://github.com/binarywang">Binary Wang</a>
  */
-public class WxPayServiceImpl extends WxPayServiceHttpComponentsImpl {
+public class WxPayServiceImpl extends WxPayServiceApacheHttpImpl {
 }
diff --git a/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/service/impl/BaseWxPayServiceImplTest.java b/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/service/impl/BaseWxPayServiceImplTest.java
index 7dff396de..c61d27ef7 100644
--- a/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/service/impl/BaseWxPayServiceImplTest.java
+++ b/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/service/impl/BaseWxPayServiceImplTest.java
@@ -59,6 +59,11 @@ public class BaseWxPayServiceImplTest {
   @Inject
   private WxPayService payService;
 
+  @Test
+  public void testDefaultImplUsesApacheHttpClient() {
+    assertThat(new WxPayServiceImpl()).isInstanceOf(WxPayServiceApacheHttpImpl.class);
+  }
+
   /**
    * Test method for {@link WxPayService#unifiedOrder(WxPayUnifiedOrderRequest)}.
    *
diff --git a/weixin-java-qidian/pom.xml b/weixin-java-qidian/pom.xml
index 567efd7ad..ad5e16209 100644
--- a/weixin-java-qidian/pom.xml
+++ b/weixin-java-qidian/pom.xml
@@ -34,7 +34,6 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
-      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents.client5</groupId>
diff --git a/weixin-java-qidian/src/main/java/me/chanjar/weixin/qidian/api/impl/WxQidianServiceImpl.java b/weixin-java-qidian/src/main/java/me/chanjar/weixin/qidian/api/impl/WxQidianServiceImpl.java
index 2e1314b3b..e063f9235 100644
--- a/weixin-java-qidian/src/main/java/me/chanjar/weixin/qidian/api/impl/WxQidianServiceImpl.java
+++ b/weixin-java-qidian/src/main/java/me/chanjar/weixin/qidian/api/impl/WxQidianServiceImpl.java
@@ -2,11 +2,11 @@ package me.chanjar.weixin.qidian.api.impl;
 
 /**
  * <pre>
- * 默认接口实现类，使用apache httpClient 5实现
+ * 默认接口实现类，使用 Apache HttpClient 4 实现.
  * Created by Binary Wang on 2017-5-27.
  * </pre>
  *
  * @author <a href="https://github.com/binarywang">Binary Wang</a>
  */
-public class WxQidianServiceImpl extends WxQidianServiceHttpComponentsImpl {
+public class WxQidianServiceImpl extends WxQidianServiceHttpClientImpl {
 }