diff --git a/build/Table.js b/build/Table.js
index 5433db8..3b70074 100644
--- a/build/Table.js
+++ b/build/Table.js
@@ -351,6 +351,7 @@ var Table = function (_Component) {
     _this.columnManager = new _ColumnManager2["default"](props.columns, props.children, props.originWidth, showDragHandle, props.showRowNum); // 加入props.showRowNum参数
     _this.store = (0, _createStore2["default"])({ currentHoverKey: null });
     _this.firstDid = true;
+    _this.scrollYChanged = false;
     if (props.defaultExpandAllRows) {
       for (var i = 0; i < rows.length; i++) {
         var row = rows[i];
@@ -515,6 +516,7 @@ var Table = function (_Component) {
       this.bodyTable.scrollTop = 0;
     } else if (this.props.ignoreScrollYChange && currentScrollY && prevScrollY) {
       if (prevScrollY !== currentScrollY) {
+        this.scrollYChanged = true;
         var bodyScrollTop = this.bodyTable.scrollTop;
         if (bodyScrollTop === 0) {
           // 在顶部的时候，滚动条不用动
@@ -537,8 +539,9 @@ var Table = function (_Component) {
             }
           }
         }
-      } else {
+      } else if (this.scrollYChanged) {
         this.bodyTable.scrollTop += 1;
+        this.scrollYChanged = false;
       }
     }
     // 是否传入 scroll中的y属性，如果传入判断是否是整数，如果是则进行比较 。bodyTable 的clientHeight进行判断
@@ -1731,12 +1734,15 @@ var Table = function (_Component) {
     var _props11 = this.props,
         syncHover = _props11.syncHover,
         onRowHover = _props11.onRowHover,
-        data = _props11.data;
+        data = _props11.data,
+        lazyLoad = _props11.lazyLoad;
     //fix:树形表，onRowHover返回参数异常
 
     var isTreeType = this.isTreeType;
 
-    var record = isTreeType ? propsRecord : data[currentIndex];
+    var record = isTreeType ? propsRecord : lazyLoad ? data.find(function (item) {
+      return item.originIndex === currentIndex;
+    }) : data[currentIndex];
     // 固定列、或者含有hoverdom时情况下同步hover状态
     if (this.columnManager.isAnyColumnsFixed() && syncHover) {
       this.hoverKey = key;
@@ -1820,7 +1826,6 @@ var Table = function (_Component) {
     if (hasFixedLeft) {
       className += ' has-fixed-left';
     }
-
     return _react2["default"].createElement(
       'div',
       { className: className, style: props.style, ref: function ref(el) {
@@ -1858,7 +1863,7 @@ var Table = function (_Component) {
           onMouseEnter: this.onRowHoverMouseEnter, onMouseLeave: this.onRowHoverMouseLeave, ref: function ref(el) {
             return _this7.hoverDom = el;
           } },
-        props.hoverContent(currentHoverRecord, currentHoverIndex)
+        currentHoverRecord ? props.hoverContent(currentHoverRecord, currentHoverIndex) : null
       )
     );
   };
diff --git a/build/lib/bigData.js b/build/lib/bigData.js
index d8b6e9c..f54e0c2 100644
--- a/build/lib/bigData.js
+++ b/build/lib/bigData.js
@@ -77,9 +77,9 @@ function bigData(Table) {
     BigData.prototype.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {
       var props = this.props;
       var currentIndex = nextProps.currentIndex,
-          newData = nextProps.data,
           newExpandedKeys = nextProps.expandedRowKeys;
 
+      var newData = this.modifyNewData(nextProps.data);
       var _this = this,
           dataLen = newData.length;
       if (nextProps.scroll.y !== props.scroll.y) {
@@ -387,6 +387,14 @@ function bigData(Table) {
   }, _initialiseProps = function _initialiseProps() {
     var _this5 = this;
 
+    this.modifyNewData = function (data) {
+      if (!data && !data.length) return data;
+      return data.map(function (item, index) {
+        item.originIndex = index;
+        return item;
+      });
+    };
+
     this.getTreeData = function (expandedKeys, newData) {
       var startIndex = _this5.startIndex,
           endIndex = _this5.endIndex;
diff --git a/package.json b/package.json
index 0351158..a544406 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
  "name": "bee-table",
- "version": "2.3.15-beta.25",
+ "version": "2.3.15-beta.26",
  "description": "Table ui component for react",
  "keywords": [
   "react",
diff --git a/src/Table.js b/src/Table.js
index 2aa7f70..e48be42 100644
--- a/src/Table.js
+++ b/src/Table.js
@@ -128,6 +128,7 @@ class Table extends Component {
     this.columnManager = new ColumnManager(props.columns, props.children, props.originWidth, showDragHandle, props.showRowNum); // 加入props.showRowNum参数
     this.store = createStore({ currentHoverKey: null });
     this.firstDid = true;
+    this.scrollYChanged = false;
     if (props.defaultExpandAllRows) {
       for (let i = 0; i < rows.length; i++) {
         const row = rows[i];
@@ -286,6 +287,7 @@ class Table extends Component {
       this.bodyTable.scrollTop = 0
     } else if (this.props.ignoreScrollYChange && currentScrollY && prevScrollY) {
       if (prevScrollY !== currentScrollY) {
+        this.scrollYChanged = true
         const bodyScrollTop = this.bodyTable.scrollTop
         if (bodyScrollTop === 0) { // 在顶部的时候，滚动条不用动
           this.bodyTable.scrollTop = 0;
@@ -303,8 +305,9 @@ class Table extends Component {
             }
           }
         }
-      } else {
+      } else if (this.scrollYChanged) {
         this.bodyTable.scrollTop += 1
+        this.scrollYChanged = false
       }
     }
     // 是否传入 scroll中的y属性，如果传入判断是否是整数，如果是则进行比较 。bodyTable 的clientHeight进行判断
@@ -1490,10 +1493,10 @@ class Table extends Component {
 
   handleRowHover(isHover, key,event,currentIndex, propsRecord) {
     //增加新的API，设置是否同步Hover状态，提高性能，避免无关的渲染
-    let { syncHover,onRowHover,data } = this.props;
+    let { syncHover,onRowHover,data, lazyLoad } = this.props;
     //fix:树形表，onRowHover返回参数异常
     let { isTreeType } = this;
-    const record = isTreeType ? propsRecord : data[currentIndex];
+    const record = isTreeType ? propsRecord : lazyLoad ? data.find(item => item.originIndex === currentIndex) : data[currentIndex];
     // 固定列、或者含有hoverdom时情况下同步hover状态
     if(this.columnManager.isAnyColumnsFixed() && syncHover ){
       this.hoverKey = key;
@@ -1604,7 +1607,6 @@ class Table extends Component {
     if(hasFixedLeft){
       className += ` has-fixed-left`;
     }
-
     return (
       <div className={className} style={props.style} ref={el => this.contentTable = el}
       tabIndex={props.focusable && (props.tabIndex?props.tabIndex:'0')} >
@@ -1630,7 +1632,7 @@ class Table extends Component {
           container={this}
           {...loading} />
         { props.hoverContent && <div className="u-row-hover"
-                                     onMouseEnter={this.onRowHoverMouseEnter} onMouseLeave={this.onRowHoverMouseLeave} ref={el=> this.hoverDom = el }>{props.hoverContent(currentHoverRecord, currentHoverIndex)}</div>}
+                                     onMouseEnter={this.onRowHoverMouseEnter} onMouseLeave={this.onRowHoverMouseLeave} ref={el=> this.hoverDom = el }>{currentHoverRecord ? props.hoverContent(currentHoverRecord, currentHoverIndex) : null}</div>}
       </div>
     );
   }
diff --git a/src/lib/bigData.js b/src/lib/bigData.js
index 9394507..1b84152 100644
--- a/src/lib/bigData.js
+++ b/src/lib/bigData.js
@@ -50,7 +50,8 @@ export default function bigData(Table) {
     }
     componentWillReceiveProps(nextProps) {
       const props = this.props;
-      const {currentIndex ,data:newData, expandedRowKeys:newExpandedKeys} = nextProps;
+      const {currentIndex, expandedRowKeys:newExpandedKeys} = nextProps;
+      const newData = this.modifyNewData(nextProps.data)
       const _this = this,dataLen = newData.length;
       if (nextProps.scroll.y !== props.scroll.y) {
         const rowHeight = nextProps.height ? nextProps.height : defaultHeight;
@@ -107,6 +108,14 @@ export default function bigData(Table) {
       } 
     }
 
+    modifyNewData = data => {
+      if (!data && !data.length) return data
+      return data.map((item, index) => {
+        item.originIndex = index
+        return item
+      })
+    }
+
     /**
      * 如果是树形表，需要对传入的 data 进行处理
      * @param expandedKeys: nextProps 中传入的新 expandedRowKeys 属性值