fix HttpServletRequest error

report/src/main/java/com/uas/report/controller/PropertiesController.java

@@ -2,13 +2,14 @@ package com.uas.report.controller;
 
 import com.uas.report.DynamicProperties;
 import com.uas.report.util.MasterManager;
-import org.apache.catalina.servlet4preview.http.HttpServletRequest;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.ResponseBody;
 
+import javax.servlet.http.HttpServletRequest;
+
 /**
  * 配置修改
  *