diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpOAuth2Service.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpOAuth2Service.java
new file mode 100644
index 0000000000..9f7de07a6f
--- /dev/null
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpOAuth2Service.java
@@ -0,0 +1,27 @@
+package me.chanjar.weixin.mp.api;
+
+import me.chanjar.weixin.common.service.WxOAuth2Service;
+
+/**
+ * 微信公众号网页授权（OAuth2）服务接口.
+ *
+ * <p>完整文档见：
+ * <a href="https://developers.weixin.qq.com/doc/offiaccount/OA_Web_Apps/Wechat_webpage_authorization.html">
+ *   微信网页授权
+ * </a>
+ * </p>
+ *
+ * <p>包含以下能力：
+ * <ul>
+ *   <li>构建网页授权 URL</li>
+ *   <li>通过 code 换取 access_token（{@code sns/oauth2/access_token}）</li>
+ *   <li>刷新 access_token（{@code sns/oauth2/refresh_token}）</li>
+ *   <li>获取用户基本信息（{@code sns/userinfo}）</li>
+ *   <li>校验 access_token 是否有效（{@code sns/auth}）</li>
+ * </ul>
+ * </p>
+ *
+ * @author GitHub Copilot
+ */
+public interface WxMpOAuth2Service extends WxOAuth2Service {
+}
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpService.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpService.java
index 2d965bf8de..bbc336c07d 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpService.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpService.java
@@ -6,7 +6,6 @@
 import me.chanjar.weixin.common.enums.TicketType;
 import me.chanjar.weixin.common.error.WxErrorException;
 import me.chanjar.weixin.common.service.WxImgProcService;
-import me.chanjar.weixin.common.service.WxOAuth2Service;
 import me.chanjar.weixin.common.service.WxOcrService;
 import me.chanjar.weixin.common.service.WxService;
 import me.chanjar.weixin.common.util.http.MediaUploadRequestExecutor;
@@ -758,16 +757,16 @@ public interface WxMpService extends WxService {
   /**
    * 获取OAuth2服务接口
    *
-   * @return WxOAuth2Service OAuth2服务接口
+   * @return WxMpOAuth2Service OAuth2服务接口
    */
-  WxOAuth2Service getOAuth2Service();
+  WxMpOAuth2Service getOAuth2Service();
 
   /**
    * 设置OAuth2服务接口
    *
    * @param oAuth2Service OAuth2服务接口
    */
-  void setOAuth2Service(WxOAuth2Service oAuth2Service);
+  void setOAuth2Service(WxMpOAuth2Service oAuth2Service);
 
   /**
    * 获取微信导购服务接口
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/BaseWxMpServiceImpl.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/BaseWxMpServiceImpl.java
index 76ab466157..a733b5c4fc 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/BaseWxMpServiceImpl.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/BaseWxMpServiceImpl.java
@@ -16,7 +16,6 @@
 import me.chanjar.weixin.common.error.WxRuntimeException;
 import me.chanjar.weixin.common.executor.CommonUploadRequestExecutor;
 import me.chanjar.weixin.common.service.WxImgProcService;
-import me.chanjar.weixin.common.service.WxOAuth2Service;
 import me.chanjar.weixin.common.service.WxOcrService;
 import me.chanjar.weixin.common.session.StandardSessionManager;
 import me.chanjar.weixin.common.session.WxSessionManager;
@@ -141,7 +140,7 @@ public abstract class BaseWxMpServiceImpl<H, P> implements WxMpService, RequestH
 
   @Getter
   @Setter
-  private WxOAuth2Service oAuth2Service = new WxMpOAuth2ServiceImpl(this);
+  private WxMpOAuth2Service oAuth2Service = new WxMpOAuth2ServiceImpl(this);
 
   @Getter
   @Setter
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpOAuth2ServiceImpl.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpOAuth2ServiceImpl.java
index 726311ffa5..3876f06e54 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpOAuth2ServiceImpl.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpOAuth2ServiceImpl.java
@@ -10,8 +10,8 @@
 import me.chanjar.weixin.common.util.http.RequestExecutor;
 import me.chanjar.weixin.common.util.http.SimpleGetRequestExecutor;
 import me.chanjar.weixin.common.util.http.URIUtil;
+import me.chanjar.weixin.mp.api.WxMpOAuth2Service;
 import me.chanjar.weixin.mp.api.WxMpService;
-import me.chanjar.weixin.common.service.WxOAuth2Service;
 import me.chanjar.weixin.mp.config.WxMpConfigStorage;
 import org.apache.commons.lang3.StringUtils;
 
@@ -26,7 +26,7 @@
  * created on  2020-08-08
  */
 @RequiredArgsConstructor
-public class WxMpOAuth2ServiceImpl implements WxOAuth2Service {
+public class WxMpOAuth2ServiceImpl implements WxMpOAuth2Service {
   private final WxMpService wxMpService;
 
   @Override
diff --git a/weixin-java-mp/src/test/java/me/chanjar/weixin/mp/api/impl/WxMpOAuth2ServiceImplTest.java b/weixin-java-mp/src/test/java/me/chanjar/weixin/mp/api/impl/WxMpOAuth2ServiceImplTest.java
index 3a094e4008..b0721e2446 100644
--- a/weixin-java-mp/src/test/java/me/chanjar/weixin/mp/api/impl/WxMpOAuth2ServiceImplTest.java
+++ b/weixin-java-mp/src/test/java/me/chanjar/weixin/mp/api/impl/WxMpOAuth2ServiceImplTest.java
@@ -3,6 +3,7 @@
 import me.chanjar.weixin.common.bean.WxOAuth2UserInfo;
 import me.chanjar.weixin.common.bean.oauth2.WxOAuth2AccessToken;
 import me.chanjar.weixin.common.error.WxErrorException;
+import me.chanjar.weixin.mp.api.WxMpOAuth2Service;
 import me.chanjar.weixin.mp.api.WxMpService;
 import me.chanjar.weixin.mp.api.test.ApiTestModule;
 import org.testng.annotations.Guice;
@@ -24,6 +25,11 @@ public class WxMpOAuth2ServiceImplTest {
   @Inject
   private WxMpService mpService;
 
+  @Test
+  public void testGetOAuth2ServiceType() {
+    assertThat(this.mpService.getOAuth2Service()).isInstanceOf(WxMpOAuth2Service.class);
+  }
+
   @Test
   public void testBuildAuthorizationUrl() {
     final String url = this.mpService.getOAuth2Service().buildAuthorizationUrl("http://www.baidu.com", "test", "GOD");
diff --git a/weixin-java-open/src/main/java/me/chanjar/weixin/open/api/impl/WxOpenMpOAuth2ServiceImpl.java b/weixin-java-open/src/main/java/me/chanjar/weixin/open/api/impl/WxOpenMpOAuth2ServiceImpl.java
index 3f990ecfeb..31664c5c1d 100644
--- a/weixin-java-open/src/main/java/me/chanjar/weixin/open/api/impl/WxOpenMpOAuth2ServiceImpl.java
+++ b/weixin-java-open/src/main/java/me/chanjar/weixin/open/api/impl/WxOpenMpOAuth2ServiceImpl.java
@@ -5,6 +5,7 @@
 import me.chanjar.weixin.common.service.WxOAuth2Service;
 import me.chanjar.weixin.common.service.WxOAuth2ServiceDecorator;
 import me.chanjar.weixin.common.util.http.URIUtil;
+import me.chanjar.weixin.mp.api.WxMpOAuth2Service;
 import me.chanjar.weixin.mp.config.WxMpConfigStorage;
 import me.chanjar.weixin.open.api.WxOpenComponentService;
 import org.apache.commons.lang3.StringUtils;
@@ -14,7 +15,7 @@
  *
  * @author <a href="https://www.sacoc.cn">广州跨界</a>
  */
-public class WxOpenMpOAuth2ServiceImpl extends WxOAuth2ServiceDecorator {
+public class WxOpenMpOAuth2ServiceImpl extends WxOAuth2ServiceDecorator implements WxMpOAuth2Service {
 
   private final WxOpenComponentService wxOpenComponentService;
   private final WxMpConfigStorage wxMpConfigStorage;