use autowired to fetch freshserviceimpl instance

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

@@ -60,9 +60,10 @@ public class freshController {
         }
         ServletUtil.createSuccessResponse(200, result, response);
     }
-@RequestMapping(value = "/updating",method = RequestMethod.POST)
+
+    @RequestMapping(value = "/updating", method = RequestMethod.POST)
     public void updating(HttpServletRequest request, HttpServletResponse response) throws Exception {
         String oldVersionId = request.getParameter("oldVersionId");
-        ServletUtil.createSuccessResponse(200, GJson.toJson(new refreshServiceImpl().new_version(oldVersionId)),response);
+        ServletUtil.createSuccessResponse(200, GJson.toJson(new refreshServiceImpl().new_version(oldVersionId)), response);
-}
+    }
 }

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

@@ -10,8 +10,8 @@ import org.springframework.stereotype.Service;
 @Service
 public class refreshServiceImpl implements refreshService {
 
-
+    @Autowired
-    freshServiceImpl ser=new freshServiceImpl();
+    freshServiceImpl ser = new freshServiceImpl();
 
     //version1大返回一个正数，小返回一个负数，相等返回0
     public static int compareVersion(String version1, String version2) throws Exception {
@@ -35,9 +35,8 @@ 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){
+        if (compareVersion(oldVersion, newVersion) < 0) {
             return ser.query();
         }
         return null;