fix:缺陷#34 图形文本省略号效果不起作用

src/views/components/PenProps.vue

@@ -1376,6 +1376,9 @@ function initPenData() {
   if (!data.pen.whiteSpace) {
     data.pen.whiteSpace = 'nowrap';
   }
+  if (data.pen.ellipsis == undefined) {
+    data.pen.ellipsis = false;
+  }
   data.pen.shadow = !!data.pen.shadowColor;
 
   getRect();