add stub

src/main/java/com/moekr/moocoder/logic/service/impl/CodeMetricServiceImpl.java

@@ -122,7 +122,7 @@ public class CodeMetricServiceImpl implements CodeMetricService{
         String srcDir = ProjectPath.getSrcCodeFullPath(project);
         String dstDir = ProjectPath.pmdOutputDir;
         if (pmdController.needAnalysis(srcDir, dstDir, project)){
-            pmdController.makeReport(srcDir, dstDir, project);
+            //pmdController.makeReport(srcDir, dstDir, project);
         }
         return FileUtil.readFile(dstDir + File.separator + project + PMDController.PMD_REPORT_SUFFIX + ".html");
     }