Merge branch 'fix-score' into 'DEV'

Fix score







See merge request !630

mooctest-site-server/src/main/java/cn/iselab/mooctest/site/web/logic/impl/GeneralCalculateScoreComponent.java

@@ -142,7 +142,7 @@ public class GeneralCalculateScoreComponent {
         nodeNum++;
       }
     }
-    BigDecimal bg = new BigDecimal(100/nodeNum).setScale(2, RoundingMode.HALF_UP);
+    BigDecimal bg = new BigDecimal(100.00/nodeNum).setScale(2, RoundingMode.HALF_UP);
 
     double singleNodeWeight = bg.doubleValue(); //同类型的node节点默认权重相等