更新用户appid 入参为空的情况

src/main/java/cn/quantgroup/xyqb/service/middleoffice/applet/impl/AppletServiceImpl.java

@@ -104,6 +104,7 @@ public class AppletServiceImpl implements IAppletService {
         WechatUserInfo wechatUserInfo;
         if (StringUtils.isEmpty(appId)) {
             wechatUserInfo = iWeChatUserRepository.findByOpenIdAndAppNameAndTenantId(openId, appName, tenantId);
+            appId = wechatUserInfo.getAppId();
         } else {
             wechatUserInfo = iWeChatUserRepository.findByOpenIdAndAppIdAndTenantId(openId, appId, tenantId);
         }