use autowired to fetch freshserviceimpl instance

src/main/java/com/update/update/controller/freshController.java

@@ -60,6 +60,7 @@ public class freshController {
         }
         ServletUtil.createSuccessResponse(200, result, response);
     }
+
     @RequestMapping(value = "/updating", method = RequestMethod.POST)
     public void updating(HttpServletRequest request, HttpServletResponse response) throws Exception {
         String oldVersionId = request.getParameter("oldVersionId");

src/main/java/com/update/update/service/impl/refreshServiceImpl.java

@@ -10,7 +10,7 @@ import org.springframework.stereotype.Service;
 @Service
 public class refreshServiceImpl implements refreshService {
 
-
+    @Autowired
     freshServiceImpl ser = new freshServiceImpl();
 
     //version1大返回一个正数，小返回一个负数，相等返回0
@@ -35,7 +35,6 @@ public class refreshServiceImpl implements refreshService {
 
     @Override
     public fresh new_version(String oldVersion) throws Exception {
-        freshServiceImpl ser=new freshServiceImpl();
         String newVersion = ser.query().VersionId;
         if (compareVersion(oldVersion, newVersion) < 0) {
             return ser.query();