update

mec-biz/src/main/java/com/ym/mec/biz/service/impl/StudentRegistrationServiceImpl.java

@@ -20,7 +20,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Isolation;
 import org.springframework.transaction.annotation.Transactional;
 
 import com.alibaba.fastjson.JSONObject;
@@ -46,6 +45,7 @@ import com.ym.mec.im.ImFeignService;
 import com.ym.mec.thirdparty.eseal.ESealPlugin;
 import com.ym.mec.thirdparty.message.MessageSenderPluginContext;
 import com.ym.mec.util.collection.MapUtil;
+import com.ym.mec.util.date.DateUtil;
 import com.ym.mec.util.http.HttpUtil;
 import org.springframework.transaction.annotation.Isolation;