bug

public/web/scMathUtil.js

@@ -173,6 +173,7 @@ let scMathUtil = {
     roundForObj:function(obj,decimal){
         let me = this;
         let value;
+        if(obj === undefined || obj === null) return 0;
         let n = Math.pow(10,decimal);
         if(me.isNumber(obj)){
           value = Math.round(obj * n) / n;