diff --git a/src/components/table/table-tr.vue b/src/components/table/table-tr.vue
index 01744a444..ee7af7803 100644
--- a/src/components/table/table-tr.vue
+++ b/src/components/table/table-tr.vue
@@ -31,15 +31,15 @@
                 const objData = this.isChildren ? this.$parent.$parent.getDataByRowKey(this.row._rowKey) : this.objData[_index];
                 return [
                     `${this.prefixCls}-row`,
-                    this.rowClsName(_index),
+                    this.rowClsName(objData, _index),
                     {
                         [`${this.prefixCls}-row-highlight`]: objData && objData._isHighlight,
                         [`${this.prefixCls}-row-hover`]: objData && objData._isHover
                     }
                 ];
             },
-            rowClsName (_index) {
-                return this.$parent.$parent.rowClassName(this.objData[_index], _index);
+            rowClsName (objData, _index) {
+                return this.$parent.$parent.rowClassName(objData, _index);
             }
         }
     };