Merge pull request #358 in BA/design from ~XIAOHU/design:master to master

* commit '752e323a284e7081d21fbed2522b4a7080714242':
  update

designer_base/src/com/fr/design/extra/plugindependence/DownLoadDependenceUI.java

@@ -265,7 +265,9 @@ public class DownLoadDependenceUI implements ActionListener {
         }
     }
 
-    private String showFileLength() {
-        return totalSize == -1 ? "NAN" : totalSize / Math.pow(10, 6) + "";
+    private String showFileLength(){
+        double len = totalSize / Math.pow(10, 6);
+        String lenStr = String.format("%.2f", len);
+        return totalSize == -1 ? "NAN" : lenStr;
     }
 }