#947 修复WxCpMessageRouter同时存在两个StandardSessionManager的问题

weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpService.java

@@ -165,6 +165,13 @@ public interface WxCpService {
    */
   WxSession getSession(String id, boolean create);
 
+  /**
+   * 获取WxSessionManager 对象
+   *
+   * @return WxSessionManager
+   */
+  WxSessionManager getSessionManager();
+  
   /**
    * <pre>
    * 设置WxSessionManager，只有当需要使用个性化的WxSessionManager的时候才需要调用此方法，

weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/BaseWxCpServiceImpl.java

@@ -285,6 +285,11 @@ public abstract class BaseWxCpServiceImpl<H, P> implements WxCpService, RequestH
     this.sessionManager = sessionManager;
   }
 
+  @Override
+  public WxSessionManager getSessionManager() {
+    return this.sessionManager;
+  }
+
   @Override
   public String replaceParty(String mediaId) throws WxErrorException {
     String url = "https://qyapi.weixin.qq.com/cgi-bin/batch/replaceparty";

weixin-java-cp/src/main/java/me/chanjar/weixin/cp/message/WxCpMessageRouter.java

@@ -73,7 +73,7 @@ public class WxCpMessageRouter {
     this.wxCpService = wxCpService;
     this.executorService = Executors.newFixedThreadPool(DEFAULT_THREAD_POOL_SIZE);
     this.messageDuplicateChecker = new WxMessageInMemoryDuplicateChecker();
-    this.sessionManager = new StandardSessionManager();
+    this.sessionManager = wxCpService.getSessionManager();
     this.exceptionHandler = new LogExceptionHandler();
   }