计算宽度重置宽度差值、lastShowIndex

dist/demo.js

@@ -10823,7 +10823,7 @@
 	      this.setState({ contentWidthDiff: contentWidthDiff, lastShowIndex: lastShowIndex });
 	    } else {
 	      this.contentWidth = this.computeWidth;
-	      this.setState({ contentWidth: this.contentWidth }); //重新渲染，为了显示滚动条
+	      this.setState({ contentWidthDiff: 0, lastShowIndex: lastShowIndex }); //重新渲染，为了显示滚动条
 	    }
 	  };
 	

src/Table.js

@@ -200,7 +200,7 @@ class Table extends Component {
         this.setState({contentWidthDiff,lastShowIndex});
       }else{
         this.contentWidth = this.computeWidth;
-        this.setState({contentWidth:this.contentWidth});//重新渲染，为了显示滚动条
+        this.setState({contentWidthDiff:0,lastShowIndex});//重新渲染，为了显示滚动条
       }
   }