update

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

@@ -266,6 +266,8 @@ public class DownLoadDependenceUI implements ActionListener {
     }
 
     private String showFileLength(){
-        return totalSize == -1 ? "NAN" : totalSize / Math.pow(10, 6) + "";
+        double len = totalSize / Math.pow(10, 6);
+        String lenStr = String.format("%.2f", len);
+        return totalSize == -1 ? "NAN" : lenStr;
     }
 }