bug修复

lib/EmergencyService/zdxtEmergencyKnowledgeService/src/main/java/com/zdxt/knowledge/service/impl/WechatServiceImpl.java

@@ -116,7 +116,7 @@ public class WechatServiceImpl implements WechatService {
     @Override
     public ZDResponse showMyMedal(WechatUser wechatUser) {
         WechatUser user = wechatLoginMapper.selectUserById(wechatUser.getGuid());
-        if (Objects.nonNull(user.getMedal())) {
+        if (Objects.nonNull(user) && Objects.nonNull(user.getMedal())) {
             List<SceneMedal> sceneMedals = sceneMedalMapper.selectSceneMedalByIds(Convert.toStrArray(user.getMedal()));
             return ZDResponse.success("成功", sceneMedals);
         }